User Guide - PTFE Lined Piping
Contents
1. Flange Temp Flange Material Type Class C Ps 6 7 Ova 29 to 38 19 0 19 0 15 9 17 2 18 3 Flange Material Types B16 5 15 9 16 2 13 4 16 2 17 2 1 ASTM A105 ASTM A350 Grade LF2 ASTM Class 14 1 14 8 12 1 14 8 15 9 A216 Grade WCB 150 13 1 13 4 11 0 13 8 13 8 2 ASTM A182 Grade F304 SMI 29 to 38 31 0 31 0 31 0 31 0 3 ASTM Grade F316 B16 5 378 1278 278 57 8 4 ASTM A182 Grades F304L and F316L Cias BIr 37 537 5 DIN 17100 R St 37 2 300 20 0 20 0 20 0 20 0 ASTM A399 2 z 7 BS1501 161 Grade 430A A 10 to 50 91 9 1 7 6 10 0 1092 1 7 5 7 8 6 3 8 0 PN10 6 8 7 1 5 7 7 5 6 3 6 6 5 3 6 9 A 10 to 50 14 7 14 7 12 3 16 0 1092 1 12 1 12 1 10 2 12 8 PN16 11 0 11 0 9 2 11 9 10 2 10 2 85 11 0 Minimum Maximum Pipe Pipe Material All to ASTM A312 Pressure Pressure NB Schedule TP304 TP304L TP316 TP316L GT 17 8 200 6 10 27 64 23 50 28 71 30 22 SA 17 8 200 8 10 23 45 19 94 24 35 19 45 29 200 10 10 20 98 17 83 21 79 17 39 4 Sgn ee the pi be th 12 10 19 29 16 41 20 04 16 00 dowever in a few cases the pipe can be the 1D 20 N a 2783 27 83 52272 limiting factor The table below shows the situations where this may be the case If the pipe doesn t appear then this means that it can never be the pressure limiting factor for the spool fitting Nb The pressures shown here given in bar g are applicable across the entire operating temperature range Th2. 3 4 2 5 7 8 2 8 Metric Thread Assuming nuts are faced on one side Example To work out the length of a stud for a joint add together the total length for each half of the joint e g a 1 1 2 fitting to a 1 1 2 rotating flange spool 23mm 32 5mm 55 5mm To this value add on two off nut thicknesses clear threads if using studs or one nut thickness clear threads if using bolts 3 1 8 3 Wafer Pattern Component Data Component component Treinee 1 2 Branch 51 0 3 4 Branch Instrument Tee 51 0 1 Branch Instrument Tee 51 0 1 1 2 Branch Instrument Tee 76 0 2 Branch Instrument Tee 89 0 3 Branch Instrument Tee 150 0 1 2 30 0 1 35 0 11 2 45 0 2 56 0 3 71 0 4 80 0 1 2 OLESC DIENC 34 0 1 CARSICTBIISC 38 0 1 1 2 CAKSICTBIISC 38 0 2 OASICTBIISTC 38 0 3 CTSG DTSG 43 0 4 CASICTBIISTC 46 0 6 CAKSICTBIISC 46 0 8 CARSICTBIISTC 45 0 10 CAKSICTBIINC 49 0 12 CAESICTBIISC 52 0 4 52 0 6 56 0 8 60 0 10 68 0 12 78 0 3 2 Product Specific Instructions If there is no mention of a particular product in this section there are no additional product specific instructions to follow 3 2 1 CTSG DTSG BFSG Following installation the tie rod torques must be checked This is achieved in the following manner e Release the backing nuts at both end of the sight glass e Check the torques on the outer tie rod nuts with a torque wrench in pairs diagon
3. Flange Material Type Flange Temp Class eo Flange Material Types 1 BS1501 161 430 4 2 4 LGSG Tubular Sight Glasses These products are unsuitable for resisting torsional loads and the support system should ensure that these are not applied Maximum and Minimum Allowable Operating Pressures and Temperatures These are determined by the lowest of the allowable limits for the items comprising the sight glasses In most cases the PFA lining is the limiting factor see the graph below Recommended Maximum Internal Pressure bar 12 10 Pressure bar g oO N A 0 CO 0 25 50 75 100 125 150 175 Temperature C 4 2 5 WPCV FPCV and SPCV Poppet Check Valves When considering draining and venting of systems containing check valves consideration must be given to the non return flow characteristics of the valves In assessing the suitability of SPCV valves for a particular service duty consideration must be given to the corrosion and erosion resistance of the borosilicate glass used in the sight glass element of the valves These are made from borosilicate glass 3 3 to ISO 3585 Issue Date 19 5 10 User Guide Rev 7 May 10 doc 2 ASTM A216 Grade WCB 3 ASTM A240 Gr 304 BS970 1991 Gr 304815 230M07 070M20 4 ASTM A240 Gr 316 BS970 1991 Gr 316831 5 ASTM A240 Gr 304L 316L BS970 1991 Gr 304511 316S11 Further with the BFSG Range of products the floating ball
4. 0 12 Fitting Fixed Flange 43 0 1 Fitting Rotating Flange 31 5 11 2 BEROA ENG 35 0 2 Fitting Rotating Flange 38 5 3 Fitting Rotating Flange 60 46 0 4 Fitting Rotating Flange 47 0 6 Fitting Rotating Flange 51 5 1 45 degree Elbow Fixed Flanges 17 5 Notes 1 1 2 45 degree Elbow Fixed AEW ES 20 5 1 Bolt holes threaded 1 2 UNC 2 45 degree Elbow Fixed Flanges 21 5 2 Bolt holes threaded 5 8 UNC 3 45 degree Elbow Fixed Flanges 26 5 4 45 degree Elbow Fixed Flanges 28 0 6 45 degree Elbow Fixed Flanges 5 0 31 0 8 45 degree Elbow Fixed Flanges 38 5 10 45 degree Elbow Fixed Flanges 42 0 11 0 43 0 12 45 degree Elbow Fixed Flanges 1 45 degree Elbow Rotating Fixed l 15 0 6 0 2 5 23 5 1 1 2 45 degree Elbow Rotating Fixed 12 0 2 5 32 5 2 45 degree Elbow Rotating Fixed 14 0 35 5 3 45 degree Elbow Rotating Fixed 16 0 42 5 4 45 degree Elbow Rotating Fixed 16 0 4 0 44 0 6 45 degree Elbow Rotating Fixed 18 0 5 0 49 0 1 45 degree Elbow Rotating Flanges 6 0 23 5 11 2 EAEEREN EN ESE 7 0 27 5 2 45 degree Elbow Rotating Flanges 7 0 28 5 3 45 degree Elbow Rotating Flanges 24 0 8 0 34 5 4 _ 45 degree Elbow Rotating Flanges 16 0 4 0 44 0 6 45 degree Elbow Rotating Flanges 18 0 5 0 49 0 Issue Date 19 5 10 User Guide Rev 7 May 10 doc Page 4 of 16 3 1 8 2 Nut Stud Data Thread Nut Thickness mm Pitch UNC Thread mm Ordinary 1 2 2 5 8 2 3
5. 127 12 M24 7 8 12 300 107 145 12 M24 7 8 The torque values given above are a guide they may be exceeded by a value of 50 to effect a seal If once this torque level has been reached a seal has not been achieved it is likely that some other source of failure such as scratched flare faces is operating Note When bolting together dissimilar materials always tighten to the lowest recommended torque of the components in the joint Using higher torques may result in damage to the softer material in the joint 3 1 7 Disassembly The bolts on lined systems must not be loosened while the system temperature is above 60 C otherwise flare distortion or irrevocable damage may occur Always secure end covers on to the flanges of lined components which have been removed from a system this will prevent damage the ingress of dirt and allow trouble free re assembly 3 1 8 Stud Bolt Length Calculator In order to calculate the length of stud bolt required for any joint it is necessary to calculate the half joint length for the two flanges that make up the joint and then add them together In addition allowance must be made for any wafer pattern item such as an instrument tee that is included in the joint The information below provides the data necessary to allow these calculations to be made Page 3 of 16 3 1 8 1 Lined Item Data Steel Flare Stub Liner Flange End Thickness Size Component Thi
6. ASTM A350 Grade LF2 ASTM A216 Grade WCB 2 ASTM A182 Grade F304 ASTM A240 Grade 304 ASTM Grade F316 ASTM A240 Grade 316 ASTM A182 Grades F304L and F316L ASTM A240 Grades 304L and 316L 5 BS1501 161 Grade 430A Fo Adapter Flanges Adapter Max pressure Flange bar g 400x25 25 0 400x40 25 5 400x50 26 0 400x80 27 0 400x100 29 0 NB While every effort is made to ensure that the products supplied are to specification the user should note that it is impossible to pressure test dip leg pipes and therefore as part of plant commissioning such a test should be undertaken Page 11 of 16 4 2 7 Blanking Spades Lined Spectacle Blinds and Solid PTFE Spectacle Blinds Maximum and Minimum Allowable Operatin Pressures and Temperatures In all cases these products can withstand full vacuum across their entire operating temperature range Their maximum operating pressures are as detailed below Maximum Pressures bar g Blanking Spades ined Solid PTFE Spectacle Blinds 28 00 160 C 10 Siger pectack ts Blinds 23 C 100 C 200 C 15 31 31 31 0 31 31 24 20 31 31 31 0 31 2 24 25 31 31 31 0 31 15 40 31 31 31 0 25 i 6 4 50 24 22 31 0 31 18 10 80 11 10 31 0 18 8 1 4 5 100 6 3 5 9 30 6 29 13 74 150 2 8 2 6 31 0 13 5 9 3 3 200 1 6 1 5 31 0 7 3 3 3 1 8 250 1 0 0 93 31 0 N A N A N A 300 0 68 0 64 31 0 N A N A N A 350 0 57 0
7. FEP lined products are not fire proof the PTFE PFA FEP lining will melt under extremes of heat Also the integrity of the glass elements of sight glasses cannot be guaranteed under such conditions Therefore if appropriate the user must consider how to meet any damage Page 7 of 16 limitation requirements in the event of a fire If lined pipes or other products are to be placed underground it is recommended that as a minimum their position and route be recorded in the technical documentation to facilitate safe maintenance inspection and repair 13 If lined equipment is to be used to for wet chlorine duty the maximum temperature must not exceed 150 C Above this temperature any chlorine that permeates the liner may react with the steel shell and cause a fire 4 2 Product Specific User Instructions 4 2 1 NB 12 NB Spools amp Lined Fittings Maximum and Minimum _ Allowable Operating Pressures and Temperatures These are determined by the lowest of the allowable limits for the items comprising the spools fittings In most cases the flanges are the limiting factor see tables below Nb Pressures are shown in bar g For pressure ratings at intermediate temperatures in the tables below linear interpolation can be used to calculate allowable pressures
8. Position the valve centrally between flange faces e Ensure that there is sufficient contact between the flange faces and the sealing area of the check valve 3 2 4 SPCV Sight Glass Poppet Check Valve Follow generic installation instructions for lined pipe products and the additional instructions above for CTSG DTSG BFSG products Also particular care must be taken to ensure the product is installed the correct way up vis a vis flow direction 3 2 5 Dip Legs amp Dip Pipes The Dip Pipe is externally lined and great care must be taken when handling this product to ensure that the liner is not damaged during transport storage or installation 3 2 6 Tee Piece amp Bullseye Sight Glasses Following installation the tie rod torques must be checked with a torque wrench in pairs diagonally opposite The following table gives recommended torque levels for tie rod nuts Nominal Bore No of Torque Imp Metric Tie Rods Ftlbs Nm 25 4 1 11 15 1 1 2 40 4 18 24 2 50 4 31 42 3 80 4 44 59 4 100 6 51 69 6 150 8 39 53 It is recommended that tie rod torques are checked at least 24 hours after commissioning or following the initial full process cycle and at least annually thereafter 3 2 7 STCV The valve can be universally mounted in both horizontal and vertical pipelines and some angled pipelines The angled sealing face is particularly beneficial in horizontal lines in p
9. is the limiting pressure factor With all sizes of BFSG the pressure is limited to Abar g across the entire temperature range However in a few cases the flanges can be the limiting factor The tables below show the situations where this may be the case If the flange doesn t appear then this means that it can never be the pressure limiting factor for the sight glass Flange Temp Flange Material Type Class CO ee SS a n a a 2 A 10 to 50 10 0 10 0 10 0 10 0 9 1 9 1 7 6 7 5 7 8 6 3 6 8 7 1 5 7 1092 1 100 PN10 150 BS10 Table D 17 8 to 200 Flange Material Types 1 ASTM A105 ASTM A350 Gr LF2 ASTM A216 Gr WCB BS1501 161 430 DIN 17100 R St 37 2 DIN 2528 C22 8 ASTM A182 Gr F304 ASTM A182 Gr F316 ASTM A182 Gr F304L F316L SY oN Maximum and Minimum _ Allowable Operating Pressures and Temperatures In all cases these products can withstand full vacuum across their entire operating temperature range Their maximum operating pressures are as detailed below WPCV Temperature range 29 C to 200 C Pressure range 1 to 19 7 bar g SPCV Temperature range 29 C to 150 C Pressure range 1 to 10 0 bar g Page 10 of 16 FPCV See tables below for details of the allowable pressure and temperature ranges for these valves These are determined by the lowest of the allowable limits for the flanges on Flange Temp Flange Material T
10. serious Where vent holes exist the user is responsible for setting up a system to regularly check them If any product is leaking from the vent holes the item in question should be removed from service without delay since catastrophic failure is likely to occur if no action is taken It is therefore important not to block the vent holes with paint or any other substance This requirement applies equally to systems where vent extensions plugs are utilised 3 1 6 Bolting Materials Bolting materials should be of good quality clean and well lubricated The use of washers is recommended to ensure correct even torque Bolts should be tightened by use of a torque Issue Date 19 5 10 User Guide Rev 7 May 10 doc wrench in strict sequence of diagonally opposite pairs This and all subsequent torquing of bolts should be undertaken at ambient temperature It is recommended that all bolts are retorqued a minimum of 24 hours after commissioning or following the initial full process cycle The torque of all bolted joints should then be rechecked at least annually thereafter The following table gives recommended torque levels for flange to flange connections Nominal Bore Torque Bolts Studs Metric FtIbs Nm Qty Size Size Metric 1 25 14 19 4 M12 1 2 1 1 2 40 20 27 4 M12 1 2 2 50 35 47 4 M16 5 8 3 80 54 73 4 M16 5 8 4 100 40 54 8 M16 5 8 6 150 80 108 8 M20 3 4 8 200 100 136 8 M20 3 4 10 250 94
11. 54 N A N A N A N A 400 0 43 0 41 N A N A N A N A 1 For PTFE PFA lined items the operating temperature range is 29 C to 200 C For FEP lined items the range is 29 C to 150 C 2 For solid PTFE spectacle blinds the limits are for blinds of the thicknesses detailed below For other thicknesses contact CRP for details of pressure limits 3 All pressures are shown in bar g DN Thickness e D 10 00 27 16 0 27 16 00 27 4 2 8 Tee Piece and Bulls Eye Sight Glasses In assessing the suitability of tee piece and bulls eye sight glasses for a particular service duty it should be noted that the glass elements of these sight glasses are made from borosilicate glass to DIN 7080 and if the glass is unlined the user must confirm the suitability of this glass for conveying the intended chemicals Maximum _and _Minimum _Allowable Operating Pressures and Temperatures In all cases these products can withstand full vacuum across their entire operating temperature range Their maximum operating pressures are determined by the lowest of the allowable limits for the flanges on the sight glasses and are as detailed below NB All pressures are shown in bar g Cast Sight Glasses Operating Pressures Bar g Max Max ASTM A395 ASTM A216 WCB Issue Date 19 5 10 User Guide Rev 7 May 10 doc Fabricated Sight Glasses Flange Temp Flange Material Type eee ch Class C
12. A Moulded Specials In house tool design amp PFA injection moulding of OEM components Issue Date 19 5 10 User Guide Rev 7 May 10 doc Page 15 of 16 Check Valves PFA lined Poppet and Swing check valves for the most arduous process duties Dip Pipes Continuously PTFE lined Hastelloy or stainless steel Valve Actuation Complete assembly and testing capability in house Norbro amp Automax actuators stocked Sightglasses Tubular and bulls eye sightglasses PFA lined carbon steel or stainless steel flanges with borosilicate glass CRP Todmorden Road Littleborough OL15 9EG United Kingdom Phone 44 0 1706 756400 Fax 44 0 1706 379567 Email enquiry crp co uk Web www crp co uk Issue Date 19 5 10 User Guide Rev 7 May 10 doc Page 16 of 16
13. Cr User Guide A guide to the specification storage installation operation and maintenance of CRP s range of lined pipes fittings and ancillary piping products Sections l 3 contain practical information for those involved in storage and installation whilst section 4 is more relevant to those involved in specifying product An EC declaration of conformity is included in the guide If you have questions not answered by this guide CRP will be pleased to help our contact details can be found at the back of this leaflet Issue Date 19 5 10 User Guide Rev 7 May 10 doc Page 1 of 16 1 Introduction This document is intended to provide information to aid in the specification storage installation operation and maintenance of CRP s range of lined pipes fittings and ancillary piping products While the information contained here is based upon many years of experience test results and design calculations it is for general guidance only and is given without guarantee warranty or liability In the case of uncertainty on the part of the user please contact the manufacturer for advice on any of the contents of this document PTFE PFA and FEP lined products cannot be treated in the same way as unlined steel products and personnel responsible for all aspects of them should be competent to undertake such work 2 Storage 2 1 Generic Instructions Lined products should ideally be stored indoors in cool dry co
14. ally opposite see the table below for recommended torques Nb This is a safety critical step Failure to retighten the tie rods may lead to leakage between the end flanges and the glass Retighten all of the backing nuts NB This is a safety critical step Failure to retighten these nuts may lead to excessive compressive or torsional loads being applied to the glass resulting in damage to or failure of the glass Issue Date 19 5 10 User Guide Rev 7 May 10 doc The following table gives recommended torque levels for tie rod nuts Nomina Bore orme 1 235 75 10 11 2 40 ai 15 2 50 145 20 3 80 22 30 a 10 28 37 6 150 32 44 8 20 32 4 10 250 32 44 12 300 32 44 It is recommended that tie rod torques are checked at least 24 hours after commissioning or following the initial full process cycle and at least annually thereafter 3 2 2 LGSG The LGSG is lined with a PFA liner and is adequately protected in transit This packing must not be removed until installation as the liner can easily be damaged through the level gauge viewing slots Page 5 of 16 3 2 3 WPCV amp FPCV Wafer amp Flanged Poppet Check Valve In addition to the generic installation instructions for lined pipe products e Check that the direction of flow arrow on the valve body points in the right direction e Ensure that the mounting flanges are parallel e
15. ckness Thickness Upstand 1 Vanstone Spool 3 0 11 2 WEO 3 0 Vanstone Spool 3 0 Vanstone Spool 3 0 Vanstone Spool 5 0 Standard Spool Fixed Flange 11 2 EEEE OEREN Half Joint Total Thickness 20 5 23 5 25 5 29 5 33 0 17 5 20 5 4 0 2 Standard Spool Fixed Flange 21 5 3 Standard Spool Fixed Flange 2 5 26 5 4 Standard Spool Fixed Flange 28 0 6 Standard Spool Fixed Flange 31 0 8 Standard Duty Spool Fixed Flange 33 0 10 Standard Duty Spool Fixed Flange 35 0 12 Standard Duty Spool Fixed Flange 37 0 8 Heavy Duty Spool Fixed Flange 6 0 350 10 Heavy Duty Spool Fixed Flange 38 0 12 Heavy Duty Spool Fixed Flange 80o 400 1 Standard Spool Rotating Flange 29 5 11 2 EEEO RO EE 32 5 2 Standard Spool Rotating Flange 35 5 Ey Standard Spool Rotating Flange 42 5 4 Standard Spool Rotating Flange 44 0 6 Standard Spool Rotating Flange 49 0 8 Standard Duty Spool Rotating Flangel 4 0 53 0 10 Standard Duty Spool Rotating Flange 4 0 57 0 12 Standard Duty Spool Rotating Flangel 59 0 8 Heavy Duty Spool Rotating Flange 60o 55 0 10 Heavy Duty Spool Rotating Flange 7 0 60 0 12 Heavy Duty Spool Rotating Flange 8 0 62 0 1 Fitting Fixed Flange 4 5 19 5 11 2 BEEE 23 0 2 _Fitting Fixed Flange 24 5 3 _ Fitting Fixed Flange 30 0 4 Fitting Fixed Flange 7 0 31 0 6 _ Fitting Fixed Flange 33 5 8 _ Fitting Fixed Flange 38 5 10 _ Fitting Fixed Flange 42
16. e vacuum performance of spools and fittings are as detailed below a T ae Range Spools 1 2 8 NB full vacuum 29 C to 200 C Spools 10 amp 12 NB heavy duty liner full vacuum 29 C to 150 C Fittings 1 2 6 NB full vacuum 29 C to 200 C Fittings 8 12 NB consult factory Issue Date 19 5 10 User Guide Rev 7 May 10 doc Page 8 of 16 4 2 2 Spacers Types 1 2 amp 3 Maximum and Minimum Allowable Operating Pressures and Temperatures These are determined by the lowest of the allowable limits for the adjacent components See tables below Temp Maximum 9 Pressure A B16 29 to 38 19 7 0 93 17 9 149 15 9 200 13 8 A B16 29 to 38 31 0 00 93 27 8 a i d 1 Type 1 spacers are unsuitable for pressures greater 149 23 7 than those of ASME B16 5 Class 150 200 20 0 2 Pressures are shown in bar g 09 10 to 50 10 0 0 100 10 0 150 9 7 200 9 4 09 10 to 50 16 0 6 100 16 0 150 15 6 200 15 1 OME cee 17 8 to 200 6 9 0 Table 17 8 to 200 13 8 01609 29 200 1 5 4 2 3 CTSG DTSG and BFSG Tubular Sight Glasses In assessing the suitability of a CTSG DTSG BFSG for a particular service duty it should be noted that the tubular elements of these sight glasses are made from borosilicate glass 3 3 to ISO 3585 and the user must confirm the fitness of this glass for conveying the intended chemicals Further if an u
17. er to the appropriate Installation Operation and Maintenance Manuals on the website 4 User Instructions 4 1 Generic User Instructions 1 Itis the responsibility of the user to ensure that the products are suitable for conveying the intended chemical s and Issue Date 19 5 10 User Guide Rev 7 May 10 doc for the intended operating conditions Specifically consideration must be given to the effects of corrosion erosion wear including potential effects from turbulence and vortices etc It should be noted that while PTFE PFA FEP have outstanding Page 6 of 16 corrosion resistance they have limited erosion resistance and contained fluid velocities should be kept below 15m s In addition these products are not approved for conveying unstable fluids Solids or slurry handling can create erosion in addition to corrosion The following list provides general guidance on the handling of slurries However the degree of erosion is dependent on the nature of the solids being handled and therefore in cases of doubt it is recommended that testing be carried out to prove the suitability of lined piping e The contained fluid and solids should be chemically compatible with the lining e Ideally the flow velocity should be kept at 0 6 to 1 2 m sec but in any case should not be more than 2 1 m sec Consideration must be given to components where the flow path is convoluted since this may give rise to local flow velocitie
18. es from such equipment have been considered including draining facilities to prevent liquid build up in gas lines which may give rise to water hammer If the products are to reach temperatures during operation or test which would be harmful to individuals should they come in contact with the products in these conditions it is the user s responsibility to overcome this hazard The user is responsible for ensuring that suitable provision is made to allow for any necessary draining and venting of the system The user is responsible for ensuring that suitable provision is made to allow for isolation of take off pipes if these are of a size to present a significant risk In addition the risk of inadvertent discharge must be minimised the take off points must be clearly marked on the permanent side indicating the fluid contained While CRP apply a corrosion resistant undercoat paint to products or other customer specific paint prior to despatch unless specifically instructed not to do so by the customer or it is unnecessary due to the materials of construction the user is responsible for the maintenance of the exterior of the products to prevent corrosive attack Where under reasonably foreseeable conditions the allowable pressure limits of the products could be exceeded the user is responsible for the fitting of suitable protective devices and if appropriate adequate monitoring devices By their nature PTFE PFA
19. he relevant sections of the Pressure Equipment Regulations 1999 Pressure Equipment Directive 97 23 EC Manufactured by CRP Ltd Todmorden Road Littleborough OL15 9EG UK Assessed by the notified body HSB Inspection Quality Limited Cairo House Greenacres Road Waterhead Oldham Lancashire OL4 3JA UK Assessed against the requirements of the Conformity Assessment Procedure Module H1 Designed amp manufactured to meet the appropriate requirements of the following standards as relevant ASTM A234 B510 DIN 2528 ASME Boiler and Pressure DIN 2605 Vessel Code Part IX DIN 2615 ASME B16 10 DIN 2616 ASME B16 42 DIN 2848 ASME B16 5 EN 10025 DIN 17100 ASME B16 9 ISO 1609 ASME B31 3 ISO 3585 ASME B36 10 ISO 9000 ASME B36 19 SMS 1145 ASTM A105 SMS 1146 ASTM A106 ASTM A182 ASTM A216 ASTM F423 DIN 1629 Product Range Description Nominal Bore Size Range PTFE Lined Pipe Spools CTSG amp DTSG Tubular Sight Glasses BFSG Tubular Sight Glasses FEP Lined Dip Pipes Dip Legs PTFE Lined Dip Pipes Dip Legs LGSG Tubular Sight Glasses PTFE PFA Lined Elbows all angles up to 180 PFA Lined Tees equal and reducing PFA Lined Lateral Tees equal and reducing PFA Lined Instrument Tees PFA Lined Short Stack Tees PFA Lined Crosses equal and reducing PTFE PFA Lined Concentric amp Eccentric Reducers PTFE PFA Lined Reducing Flanges PTFE PFA Lined Blank F
20. i 7 E 3 29 2 29 to 38 17 9 17 2 15 9 15 9 17 8 to 200 SINE 17 8 to 200 13 8 Flange Material Types 1 ASTM A105 ASTM A350 Grade LF2 ASTM A216 Grade WCB 2 BS 1501 16 430 DIN 2528 C22 8 3 DIN 17100 R St 37 2 The glass discs on sight glasses must never be loosened or removed when the internal pressure in the sight glass is other than ambient nor when there is a contained fluid present whose leakage would be hazardous to personnel or equipment Page 12 of 16 4 2 9 STCV Swing Check Valves When considering draining and venting of systems containing check valves consideration must be given to the non return flow characteristics of the valves Maximum and Minimum _ Allowable Operating Pressures and Temperatures STCV Temperature range 29 C to 200 Pressure range 1 to 19 7 bar g Issue Date 19 5 10 User Guide Rev 7 May 10 doc For these valves the maximum operating pressure is limited to that of an ASME B16 5 Class 150 flanged component of the same material as detailed in the table below pressures are shown in bar g Valve Material Temperature ASTM A216 Gr ASTM A351 C WCB Gr CF8M 29 38 19 7 19 0 93 17 9 16 2 149 15 9 14 8 200 13 8 13 4 Page 13 of 16 EC Declaration of Conformity hereby declare that the products listed below comply with the requirements of t
21. langes WPCV FPCV and SPCV PFA Lined Poppet Check Valves PTFE Type 1 Spacers PTFE Lined Type 2 amp 3 Spacers PTFE PFA Lined Blanking Spades PTFE PFA Lined Spectacle Blinds Solid PTFE Spectacle Blinds Tee Piece Sight Glasses Bulls Eye Sight Glasses Swing Check Valves gt DN25 DN300 gt DN25 DN300 gt DN25 DN150 gt DN25 DN200 gt DN25 DN100 DN40 with DN25 DN40 amp DN50 flanges gt DN25 DN300 gt DN25 DN300 gt DN25 DN150 gt DN25 DN300 gt DN25 DN300 gt DN25 DN300 gt DN25 DN300 large flange end gt DN25 DN600 large side gt DN25 DN600 gt DN25 DN100 gt DN25 DN300 gt DN25 DN300 gt DN25 DN350 gt DN25 DN300 gt DN25 DN200 gt DN25 DN100 gt DN25 DN100 DN100 DN300 Signed s E E AE ae David MacGregor Engineering Manager Issue Date 19 5 10 User Guide Rev 7 May 10 doc Page 14 of 16 Other Products in the CRP Portfolio Ball Valves PFA lined ductile iron in full and reduced bore long pattern and short pattern designs PTFE PFA lined piping systems In ASME amp DIN configurations Butterfly Valves PTFE PFA lined high performance with unique energised seat design with bubble tight shutoff One piece stem amp disc design Size range 2 24 NB Bellows Heavy duty virgin paste extruded PTFE expansion bellows Designs with 2 6 convolutions available PF
22. nditions This is because neither the end boards nor the primer paint with which they are painted are intended for prolonged outdoor exposure PTFE and PFA are relatively soft materials Therefore to protect the lined surfaces they are supplied with end boards These boards should only be removed immediately prior to installation If they are removed for inspection purposes they should be replaced immediately or irrevocable damage and distortion may occur During removal of the end boards care should be taken to avoid damaging the flare faces of the products since this will likely result in leakage once the item has been installed During transport lined products should not be moved by having anything placed inside the bore as an aid to moving such at the forks of a fork lift truck since this may well damage the liner resulting in failure of the lined item 2 2 Product Specific Instructions 2 2 1 LGSG Level Gauges The LGSG is lined with a PFA liner and is packed in such a way as to protect this liner during transport and storage This packaging should not be removed until installation as the Issue Date 19 5 10 User Guide Rev 7 May 10 doc liner can easily be damaged through the level gauge viewing slots 2 2 2 Sight Glasses By their very nature sight glasses contain glass which is brittle Care must be taken to avoid impacts with all glass parts of these products during transport and storage 2 2 3 Dip Legs Dip Pi
23. nlined tubular sight glass is being used the user must ensure the compatibility of the contained fluid with the flange material These products are unsuitable for resisting torsional loads and the support system should ensure that these are not applied Maximum and Minimum Allowable Operating Pressures and Temperatures In all cases these products can withstand full vacuum across their entire operating temperature range The one exception to this is if a PFA FEP liner has been added to the inside of the glass in which case the sight glass is not suitable for vacuum pressures The maximum allowable operating pressures are determined by the lowest of the allowable limits for the items comprising the sight glasses In most cases the glass is the limiting factor see the table below data is for all temperatures from 29 C to 150 C Pressures are shown in bar g Issue Date 19 5 10 User Guide Rev 7 May 10 doc Glass Tube NB Ye 10 W 10 1 10 1 10 2 10 21 2 10 3 10 4 10 5 10 6 6 8 5 10 3 12 3 However in a few cases the flanges can be the limiting factor The tables below show the situations where this may be the case If the flange doesn t appear then this means that it can never be the pressure limiting factor for the sight glass NB The pressures shown here given in bar g are applicable across the entire operating temperature range Page 9 of 16
24. pes Since these products have an external lining of PTFE extra care must be taken when storing handling and transporting them since due to their mass fairly minor drops knocks or scrapes can result in the liner being damaged or broken 3 Installation Operation amp Maintenance 3 1 Generic Instructions 3 1 1 Overview PTFE amp PFA lined products cannot be treated in the same way as unlined steel products In order to ensure trouble free operation the following instructions should be followed carefully Note Welding brazing soldering or flame cutting must not be performed on lined products These processes may damage the liner and toxic gasses may also be produced 3 1 2 Flare Faces The flare face on any lined piping component forms the sealing face of the component to the next item in the line Therefore it is vital that this face is not damaged at any stage Particular care should be taken to ensure the following e End boards must be kept in place until immediately prior to installation e Flare faces must be protected during preparation for painting and during painting e When the end boards of an item are removed the flare faces should be visually inspected If there is any surface contamination this should be removed using a soft clean cloth 3 1 3 System Pressure Testing In deciding upon the appropriate line test pressure this should be calculated to be 1 5 times the rated pressure of the lowest
25. rated Page 2 of 16 lined piping component in the system unless some other constraint from another item in the system requires a lower test pressure to be used In undertaking a pressure test care should be taken to ensure that pressure is applied from the upstream side of all non return valves and is released from the downstream side of all such valves to ensure a a pressure test of the complete system and b all of the test pressure has been removed from the system at the end of the test 3 1 4 Gaskets Gaskets are not normally required where PTFE lined items are being connected to similar products Where components are connecting to dissimilar materials such as glass ceramic or exotic metal then the use of a PTFE envelope gasket or similar device is recommended 3 1 5 Vent Holes The majority of lined products contain vent holes typically 3mm diameter These holes fulfil two critical purposes 1 In some circumstances depending on temperature pressure and the chemistry of the contained media a small amount of material may permeate through the liner As it reaches the outside of the PTFE it can form a trapped gas and if this permeant is not allowed to escape through the vent holes it can lead to the collapse of the liner in the lined component 2 To provide an early indication of liner failure Rather than a liner failure occur catastrophically the vent holes can indicate a problem possibly before it becomes
26. roviding a positive shutoff as even when the disc is closed against the seat gravity still exerts a noticeable closing force on the disc In horizontal lines the valve must be mounted correctly with the hinge part of the valve uppermost within the pipeline In vertical or angled lines the flow must be upward through the valve allowing gravity to provide a valve closing force The valve body has a clear flow direction arrow cast into the side The valve must be fitted into the pipeline with the direction of this arrow pointing downstream The 8in DN200 and above sized valves have a threaded hole in the top of the body to allow a lifting eye to be fitted to allow easy handling and installation The valve is manufactured to self centre between the boltholes Typically for instance in a horizontal line the two adjacent bottom bolts would be fitted first and the swing check valve rested on these bolts Then the remaining bolts can be fitted and all bolts correctly tightened to the specified torque There are no user serviceable items in the product although it is recommended that for critical services the valve should be inspected for wear at an interval to be determined by the user according to the severity of the duty 3 2 8 Bellows For guidance on the selection installation and use of bellows please refer to the Bellows User Instructions amp Technical Guide on the website 3 2 9 Atomac and Durco Valve Products Please ref
27. s in excess of the general flow velocity e To minimize erosion particle sizes should be less than 60 microns Particle sizes greater than 150 microns will likely result in unacceptable levels of erosion Intermediate particle sizes will likely result in acceptable levels of erosion e Long radius elbows should be used e Regular inspections of the insides of the lined piping system should be conducted to ensure that no excessive erosion has occurred In designing the support structure the user must take into account the following factors in both operating and test conditions and the possibility of more than one of these loads occurring simultaneously e Internal pressure from the contained fluid The mass of the contained fluid Traffic wind and earthquake loading The potential to overstress the flanges Vibration Reaction forces and moments which result from the supports attachments thermal movement other piping etc e Fatigue etc Issue Date 19 5 10 User Guide Rev 7 May 10 doc 4 10 11 In earthquake conditions CRP is unable to guarantee the integrity of its products and the user must take suitable precautions to guard against potential product failure and its consequences in these circumstances It is the responsibility of the user to ensure that suitable pressure relief and other appropriate safety devices have been included in the design of the entire pressure system and that discharg
28. ype Class a9 1 4 5 6 18 3 17 2 Sasol ECSU 17 ESTREMA 17 8 to 200 4 2 6 Dip Legs and Dip Pipes Maximum and Minimum Allowable Operatin Pressures and Temperatures In all cases these products can withstand full vacuum across their entire operating temperature range Their maximum operating pressures are determined by the lowest of the allowable limits for the items comprising the dip legs pipes In most cases the flanges are the limiting factor see tables below NB Pressures are shown in bar g Flange Flange Material Type Class 3 4 0 19 0 15 9 9 16 2 13 4 14 1 14 8 12 1 15 9 8 13 1 13 4 11 0 13 8 31 0 31 0 31 0 31 0 27 8 27 8 27 8 27 8 23 7 23 7 20 0 20 0 7 6 10 0 6 3 9 3 57 8 7 5 3 7 8 12 3 16 0 10 2 14 9 9 2 13 9 8 5 12 4 Issue Date 19 5 10 User Guide Rev 7 May 10 doc 15 9 13 8 10 0 10 0 8 0 9 3 7 5 8 7 6 9 7 8 16 0 16 0 12 8 14 9 11 9 13 9 11 0 12 4 the ends of the valves Nb Pressures are in bar g Flange Material Types 1 ASTM A105 ASTM A350 Grade LF2 ASTM A216 Grade WCB 2 ASTM A182 Grade F304 3 ASTM Grade F316 4 ASTM A182 Grades F304L and F316L 5 DIN 17100 R St 37 2 6 BS1501 161 Grade 430A Flange Material Types 1 ASTM A105
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