USER MANUAL
Contents
1. Item Material Ident no Remark Membrane EPDM black EPDM 600052 Membrane silicone grey Silicone 600051 Membrane EPDM black EPDM 600252 with Micro Port Membrane silicone grey Silicone 600251 with Micro Port Membrane teflon Teflon 850055 Key ring open right 600076 Double st st chain 600064 Rubber cap with knob 600062 Adjustable pressure relief valve 0 3 Bar g gt Quick coupling steel pipe 800070 Tommy bar 900018 Quick coupling for PTFE 800071 Quick coupling with 3 8 800082 Hose Barb Sampling coil with st st 800058 cap Quick coupling with M4 800086 hose piece Cap M16x1 5 800061 Bushing st st 600149 Hypodermic needle long 900022 AL MOUNTING INSTRUCTIONS Location The valve should always be located with its centre line in a horizontal position and with the two hose pieces in a vertical position as shown in the diagram The valve will then be selfdraining Valves centre line Before welding Remember to disassemble the valve body and head The valve body and head must be separated during welding Rubber plugs chain and membrane must be removed from the valve body as otherwise heat from the welding process will damage them WELDING INSTRUCTIONS Valves for welding are available in two types T tank and P pipe 1 Fortype T tank it is necessary to drill a hole 828 mm into the tank wall and then fit the valve into this hole flush2. E QI E E HN om a IA ao P A Fl ory o 1019 Y Pipe welding type P process connection Key measurements Please refer to bottom page 11 850010 850016 B C D E B C D E B C D E E E E E E E E E E E E E E E E E E E E E E Oo 00 8 Oo 00 a Q Oo 00 N 3 Pipe welding type P NW25 process connection Key measurements Please refer to bottom page 11 Clamp connection 1 process connection 850014 B C D E S S E E E O 00 W 850021 850024 B C D E B C D E B C D E E E E E Key measurements E E E E E E E E E Please refer to bottom page 11 E E s 00 E E N E E o o 00 S o 00 S N o 00 S LO LO m LO Clamp connection 2 process connection 850003 850005 B C D E B C D E Key measurements E Please refer to bottom page 11 E E gt E D 00 d D 00 amp Q KEOFITT USER MANUAL PAGE 10 Hose piece Mini tri clamp M16x1 5 Varivent 050 process connection OD 556 mm 850008 B C D E Key measurements E E E Please refer to bottom page 11 A Varivent 068 process connection OD 568 mm B C D E Key measurements E E E Please refer to bottom page 11 S E 00 00 O 00 Thread Socket process connection
3. While mounting the valve stem turn it while pushing it down to avoid damaging the seal Remount the magnet the magnet bushing and the spring Remount the end cap by pushing it down turning it clockwise Tighten it by use of the special tool Care should be taken not to damage the threads Mount the air connection Mount the bushing with the new teflon membrane installed by pressing the membrane with your hand until it clicks in place Remount the lever Q handle on the actuator and put it in open position Remount the actuator on the valve body pushing while turning clockwise Dismount lever Q handle Tighten actuator by use of the tommy ttt 11 Re connect the air hose to air fitting on actuator O weortanr Do not use a hammer or any other hard material to mount the membrane This can damage the membrane seal UPGRADE KIT 854455 CONSISTING OF Ident no Part name Material 600345 Stem for W9 AISI 316L 850055 Membrane for W9 PTFE 850820 O ring 932 EPDM KEOFITT USER MANUAL PAGE 20 SILICONE MEMBRANE ITEM NO 600051 TECHNICAL SPECIFICATION e Type Silicone e Colour Grey e Resistance to chemicals acids bases Suitable e Food safe Yes FDA e Temp max 130 250 C 266 482 F e Steam pressure max 2 bar 29 psi e Process pressure 1 6 bar 14 87 psi Keofitt recommends to change the silicone membrane 4 6 times a year or as needed The recommendation is based on 1 5 samples a day bu
4. PTFE white Certificate Valve body 3 1 ERE Membrane silicone acc to FDA BGA kd ho Membrane EPDM acc to FDA amp BGA chee Membrane PTFE acc to FDA amp BGA py A 6 digit code is marked on the valve body This code refers to a 3 1 certificate which accompanies every consignment of valve bodies Pressure max Working pressure 6 bar g 87 psi g Rubber plug 3 bar g 44 psi g Steel plug 10 bar g 145 psi g Temperature max sterilisation temp 121 C 249 80 F It is important that the steam is saturated but dry as condensation can damage the membrane Dry steam at max 2 bar g Surface finish Internal Ra 0 5 um 20 pinch External Electropolished Every valve is Ra measured A serial number identifies each valve body A surface finish certificate copy is available on www keofit dk Viscosity Viscosity range 0 1000cP with particles up to 3mm in diameter Water at 20 C 68 F v Q 1000 Ap p bar O N A O 0 1000 2000 3000 Q l h Valve capacity m3 h Valve capacity USgal min Flow through valve seat m3 h Viscosity of fluid kg m3 Presure drop across valve bar DD S lt lt KEOFITT USER MANUAL PAGE 9 VALVE BODIES W9 Hose piece Mini tri clamp M16x1 5 Tank welding type T process connection Key measurements Please refer to bottom page 11 850006 850015 B C D E B C D E B C D E E e E E E
5. strongly oxidising acids 17 9 mm 31 9 mm KEOFITT USER MANUAL PAGE 25 Keofitt reserves the right to change technical data without notice For complete set of updated data sheets and manuals for Keofitt products please refer to our web page www keofitt dk WORLD LEADERS IN fi SAMPLING keofitt
6. OD M28x1 5 850031 B C D E E Key measurements a 8 Please refer to bottom page 11 E E vi 00 CN In line Vertical Horizontal OD12x1 1 On request On request On request B C F E B C F E B C F E KO o KO Key measurements E 2 E E 2 E z 5 E Please refer to bottom page 11 E E C 00 E E ps N E E D 00 c o 00 c N O 00 c gt gt gt Dimension A varies according to the type of valve head mounted on the valve body A is the same dimension for all valves except type N Patent P 0468957 and U S Pat 5 246 204 Lg Heec ZEN KETTE QQ Nr MR XO KXN lone DO E DIC amp KL CX RK FS Uke x KAZ DEKKERKREN KEOFITT USER MANUAL VALVE HEADS FOR W9 Available with Valve head item no Silicone 600251 600041 Type H manually 600041E operated 855541 600042 Type K manually 600042E operated key version 855542 600043 Type Q manually _ 600043E operated with lever 855543 600044 Type N pneumatically activated 600044E 855544 Type B pressure resistant up to 15 600047 E bar g 855547 600048 Type H with Micro 600048E Port 600049 Type H with Micro Port and key 600049E KEOFITT USER MANUAL PAGE 12 PARTS AND ACCESSORIES FOR W9
7. WORLD LEADERS IN M STERILE SAMPLING W9 SAMPLING VALVE User Manus A SAMPLE SOME PEOPLE WOULDN T GAMBLE WITH THEIR INTRODUCTION MANUFACTURER TYPE PATENTS YEAR OF INTRODUCTION YEAR OF REVISED DESIGN Keofitt a s Lumbyvej 11H 5000 Odense C Denmark W9 SAMPLING VALVE U S PAT 5 246 204 E P 0468957 1998 2003 CONTENTS PRESSE AE LOM Meer 7 valve TONCO mE ane 7 Everyday use or th Valve iii ii 8 sui eI 8 vcl e 8 Technical DA Mec o 9 Mui A o 9 e quie nen 9 ETEN saseta A nn A EAA EE 9 EU 9 9 WSI 9 Valve EEE MN 10 Valve Heads tor Ne 12 Parts and accessories Tor Wasser ean 13 uba ez nn 14 NO 14 EGR 14 W lding Instructio Sau na 14 Block diagram for welding to pipe and tank rnnnnnvennnnnnvonnnnnnnennnnnvennnnnnennnnnnnennnnnnernnnnnnennnnnnnnnnnnnnnnnnnnnrnnnnnnnnnnnnnnennnnnn 15 Keofitt valve type P pipe et 15 KN 15 Keofitt valve type P pipe connection vertical Inline et 15 Block diagram for installation with Clamp Varivent amp and Thread ssaasxennnnnvennnnnvvennnnnnn
8. ccording to Code of Federal Regulations Title 21 8 177 1550 17 5 mm 27 mm KEOFITT USER MANUAL PAGE 23 EPDM MEMBRANE FOR MICRO PORT ITEM NO 600252 TECHNICAL SPECIFICATION e Type e Colour e Resistance to chemicals acids bases e Food safe e Temp max e Steam pressure max s Process pressure EPDM Black Very good Yes FDA 130 150 C 266 302 F 2 bar 29 psi 1 6 bar 14 87 psi Keofitt recommends to change the EPDM membrane 4 6 times a year or as needed The recommendation is based on 1 5 sam ples a daybut should reflect individual tear and wear from individual cleaning and sterilisation procedures FDA approved compound according to Code of Federal Regulations Title 21 8 177 1550 K EOF LT T 27 mm USER 17 5 mm MANUAL PAGE 2 4 PTFE MEMBRANE ITEM NO 850055 m TECHNICAL SPECIFICATION e Type PIFE e Colour White e Resistance to chemicals acids bases Excellent e Food safe Yes FDA e Temp max 130 250 C 266 482 F e Steam pressure max 2 bar 29 psi e Process pressure 1 6 bar 14 87 psi Keofitt recommends to change the PTFE membrane once a year or as needed The recommendation is based on 1 5 samples a day but should reflect individual tear and wear from individual cleaning and sterilisation procedures FDA approved compound according to Code of Federal Regulations Title 21 177 1550 IS not attacked by common chemicals with the exception of
9. components that are in direct contact with the sample after the CIP process The valve is used in a wide range of processing industries such as breweries dairies and the pharmaceutical and biotechno logical industries VALVE FUNCTION The valve is designed to regularly take representative random samples in the production process The valve is therefore de signed such that effective cleaning sterilisation and sampling can be carried out regularly without interrupting the production process Sterilisation is carried out by supplying steam through the upper of the valve s two hose pieces It is the perfect hygienic design and surface finish of the inner part of the valve which enables absolute sterilisation in a closed state According to an EHEDG based test carried out by the Biotechnological Institute in Denmark the valve is sterilised after just 1 minute s supply of steam at a pressure of 2 bar g 121 C Following sterilisation but prior to sampling a sterile plug of rubber or stainless steel is fitted to the top hose piece When the valve is opened the liquid will run out of the lower hose piece Note The membrane functions both as a dynamic packing in the valve seat and as a hygienic static packing against the valve body O manna During sterilisation with steam the valve will become hot and care should thus be taken when handling the valve The valve is designed for use in working conditions of up to 6 bar g pressure and tem
10. nnnnnnnnnnnnnvennnnnvevnnnnnnennnnnner 16 Keofitt valve type Clamp connection nie een Er cas AAS EW EEEE Rr Eug DINE EY KR RAR RR RR RSKR REFERS E GEO RAA A Awe 16 RASO valve teva vent naaa atadas ea 16 Keofitt valve type TAO anida iq 16 LE LE AA Ai EP A e no A 17 SPE DUO PPP PP A 17 Disassembly and assembly of valve body and NOG sici n anat iia 17 Instructions on replacing PTFE membrane isa 18 Upgrade from silicone to PTFE membrane 1 corre eerie eee nnne enun anna ne ARA ARR sana Ra sanus Ra eaa ARR ARR RAR AA RAR RR RA 19 Upgrade from silicone to PTFE membrane annnennnnnennnnnnnnnnnnnnnnennnnnennnnnennnnnennnnnennnnevnnnnennnnnennnnnennnnnennnnnnnnnnnnnnnnennnnnnnnnn 20 PRESENTATION The Keofitt W9 sampling valve is a valve which can be readily sterilised and which meets both hygienic and process design requirements This means that an effective cleaning and sterilisation of the sampling valve can be carried out between random samples independently of the course of the production process without compromising the same The W9 valve is 3 A and EHEDG Type El authorised 3 A Sanitary Standard is an American standard which is normative for a component s ease of cleaning and sterilisation The standard ensures optimum conditions for food products which may come into contact with the component in question The EHEDG Type EI certification is a European standard and it includes additional tests of bacterial increase on
11. peratures of up to 121 C It is therefore important to be aware that the rubber plug designed for max 3 bar g or the steel plug designed for max 10 bar g can be forced out at high speed if not seated correctly e Always remember to use safety goggles when taking samples because of the risk to the eyes ODimeortan e The valve cannot be used for vacuum since the membrane will be sucked hard into the seat e The membranes are available in three different qualities silicone EPDM and PTFE e The silicone membrane has the advantage that it in general can stand higher temperatures but it cannot tolerate moisture condensation resulting from steam sterilisation e he EPDM membrane is better able to cope with condensation in the steam and at the same time can be used with a majority of CIP fluids e The PTFE membrane resists most CIP fluids and very high steam temperatures KEOFITT USER MANUAL PAGE 7 EVERYDAY USE OF THE VALVE Sterilisation Sterilisation takes place with valve closed 1 Remove the plugs 2 Connectthe steam hose to the valve s upper hose piece 3 Open the steam supply and let it flow through the valve for sterilisation 1 min at 121 C 2 bar g 4 Close the steam supply O manna e During sterilisation with steam the valve will become hot and care should thus be taken when handling the valve The valve is designed for use in working conditions of up to 6 bar g and temperatures of up to 121 C It i
12. r membrane between the membrane and the bushing Close valve head Now the membrane is loosened from the valve head and can be replaced oe we Ter To attach new membrane to valve head f Setthe valve head to closed position 8 Place the new membrane on valve head 9 Mount the membrane bushing with the new Teflon membrane by pressing the membrane with your hand until it clicks 10 Set the valve head in open position 11 Insert the valve head into the valve body 12 Close valve head CD ron e Once the membrane has been removed from the valve head the click system in the membrane might be damaged Therefore the membrane might be unsafe for further use and it is recommended not to use the membrane again e Donot use hammer or other tool that might scratch the surface of the membrane Tool for membrane item no 600255 KEOFITT USER MANUAL PAGE 18 UPGRADE FROM SILICONE TO PTFE MEMBRANE For manually operated valve heads type H K and Q Qr e w W p D Close valve Pull off the silicone EPDM membrane Take the bushing off page 17 pos 5 Put the valve head in vice Turn the hex nut counter clockwice until the membrane seat and spring are loose Put the new lower stem for PTFE membrane in the vice Fit the new spring on the new lower stem Insert the rest of the valve head in the pin and press firmly Turn the hex nut clockwise until the lower stem is firmly in place Care should be taken not to damage the th
13. reads Put the bushing over the spring then place PTFE membrane on the lower stem and press firmly until it clicks in place 10 Put the valve head in open position 11 Put valve head in valve body and tighten ODimporranm This is a delicate procedure to be performed by skilled personell only Use vice with aluminium grips to avoid scratching and damaging the valve head Use the spring supplied with the PTFE kit PTFE membranes require a different type of spring than EPDM and silicone membranes Do not use hammer or other tool that might scratch the surface of the membrane UPGRADE KIT 854155 CONSISTING OF Ident no Part name Material 600340 Lower stem for PTFE AISI 316L 850055 Membrane for W9 PTFE 600411 Spring H Q K 12 bar g St St KEOFITT USER MANUAL PAGE 19 UPGRADE FROM SILICONE TO PTFE MEMBRANE FOR PNEUMATICALLY ACTIVATED VALVE HEADS TYPE N 1 10 Put the actuator in open position Dismount the actuator by turning it anti clockwise and pull it out Dismount the silicone membrane and the membrane bushing holding it Dismount Lever Q handle Use a special tool in the two holes on the end cap and turn it anti clockwise Be aware of the pressure released from the spring Pull out all parts Inspect interior of actuator forloose parts or particles Install new valve stem for Teflon Before mounting make sure to grease the seal on the entire surface only use mineral grease
14. ro Port approx 5 10 samples may be drawn off per membrane at 5 2 bar g respectively The rubber plug must be replaced at least once every six months In each individual case a standard operating procedure including maintance intervals should be endorsed based on experience For disassembly of valve body and valve head see instructions Pos Item 1 Valve body 2 Membrane Silicone grey Membrane EPDM black Membrane PTFE White Lower stem 4 Spring Steel bushing Disassembly and assembly of valve body and head ORDER OF OPERATION Remember When replacing the membrane set the valve head in the open position before it is screwed loose and pulled out of the valve body Omitting to do so may result in twisting and cutting of the membrane 1 Setthe valve head at the open position For types h and k this is done by turning pos 6 clockwise 2 Remove the valve head pos 5 A Tommy bar pos 8 should be used for disassembly and assembly This is carried out by turning pos 5 anti clockwise until loose and then pulling the valve head off 3 Refitthe valve head in the open position once the necessary parts have been replaced Care should be taken not to damage the threads KEOFITT USER MANUAL PAGE 17 INSTRUCTIONS ON REPLACING PTFE MEMBRANE Open valve Remove the valve head from the valve body Push the membrane upwards until the tool for membrane fits under it Insert tool fo
15. s therefore important to be aware that the rubber plug designed for max 3 bar g or the steel plug designed for max 10 bar g can be forced out at high speed if not seated correctly Therefore always remember to use safety goggles when taking samples because of the risk to the eyes For valve heads allowed for Group IIGD Category 2 zone 1 both handle and top of valve heads N and Q must be cleaned before use Use saturated steam without condensation at max 2 bar g At higher pressures the membrane can be damaged split In most cases the coaxial design ensures absolute cleanliness without the use of CIP or similar If CIP is used please refer to enclosed data sheet If in doubt contact Keofitt ODimeortan e To reach 121 C a pressure of 2 bar g is needed This can only be reached by use of a pressure release valve or other counter pressure device mounted on the outlet connection et steam hose be in place to prevent air contamination during sampling If removal of steam hose is required fit a sterile rubber or stainless steel plug onto the upper hose piece Sampling 1 Open the valve and take the sample 2 Shutthe valve after the sample has been taken 3 Clean the valve with steam and or hot water cf sterilisation points 1 4 Sterilisation Sampling KEOFITT USER MANUAL PAGE 8 TECHNICAL DATA Material Valve body AISI 316L 1 4404 Valve head AISI 316L 1 4404 Membrane Silicone grey EPDM black
16. t should reflect individual tear and wear from individual cleaning and sterilisation procedures FDA approved compound according to Code of Federal Regulations Title 21 177 1550 17 5 MM 27 MM KEOFITT USER MANUAL PAGE 2 1 SILICONE MEMBRANE FOR MICRO PORT ITEM NO 600251 TECHNICAL SPECIFICATION Type Colour Keofitt recommends to change the silicone membrane 4 6 times a year or as needed The recommendation is based on 1 5 samples a day but should reflect individual tear and wear from individual cleaning and sterilisation procedures FDA approved compound according to Code of Federal Regulations Title 21 8 177 1550 KEOFITT 27 mm USER Resistance to chemicals acids bases Food safe Temp max Steam pressure max Process pressure 17 5 mm MANUAL Silicone Grey Suitable Yes FDA 130 250 C 266 482 F 2 bar 29 psi 1 6 bar 14 87 psi PAGE 2 2 EPDM MEMBRANE ITEM NO 600052 TECHNICAL SPECIFICATION e Type EPDM e Colour Black e Resistance to chemicals acids bases Very good e Food safe Yes FDA e Temp max 130 150 C 266 302 F e Steam pressure max 2 bar 29 psi e Process pressure 1 6 bar 14 87 psi Keofitt recommends to change the EPDM membrane 4 6 times a year or as needed The recommendation is based on 1 5 sam ples a day but should reflect individual tear and wear from individual cleaning and sterilisation procedures FDA approved compound a
17. with the inside of the tank Welding should be carried out as a penetration welding Material thickness less than 4 mm Weld from inside Material thickness greater than 4 mm Weld from both outside and inside Since type T has a solid end piece the valve will not be damaged by penetration welding However the use of purge gas in the form of either Argon or Formier gas is recommended in order to give the best result 2 Fortype P pipe penetration welding must be carried out from outside The valve is machined with a recess like shoulder on the outside of the end piece which gives approximately the same material thickness 1 5mm material thickness as in the pipe wall This machined shoulder can be modified according to the customer s wishes CD rona e When grinding polishing the internal weld the valve seat must not be touched The welding result will be best if the following method is used A collar is made on the pipe section so that the valve has a flat contact face This flaring must look like a T piece as shown in the example below The pipe section and the valve s hose pieces are sealed with sponge rubber or similar Purge gas such as Argon or Formier gas is fed through the valve body into the pipe section and the system is now filled with 6 times the estimated volume of the pipe section All O2 is thus expelled from the system and welding can commence Welding can take place with the purge gas continually flowing in the s
18. ystem e The gas remains in the system until the item is lukewarm after which the set up can be dismantled Guideline welding values W9 valve welded onto a 2 mm 3 dairy pipe 50 60 Amp It should be noted that Keofitt can supply all P type valves welded onto a pipe section according to customer specifications Flaring is thus avoided and only a girth weld is required KEOFITT USER MANUAL PAGE 14 BLOCK DIAGRAM FOR WELDING TO PIPE AND TANK Keofitt valve type P pipe v Welded to pipe Keofitt valve type T tank u eo x SS gt DIT SSS EN R NNNNSA 3353 N Y SY SS JS NS Welded to tank U Welded to tank inside outside Keofitt valve type P pipe connection vertical Inline TEN a Welded to pipe KEOFITT USER MANUAL PAGE 15 BLOCK DIAGRAM FOR INSTALLATION WITH CLAMP VARIVENT AND THREAD Keofitt valve type Clamp connection 4 OS Z N IWS lt gt Z 7 7 A 7 AN A Y d SAAS I SO DW 4 LS St SS ZZ A tor i Keofitt valve type Thread KEOFITT USER MANUAL PAGE 1 MAINTENANCE The rubber membrane should be replaced every two months PTFE membranes should be replaced every 12 months In the event of intensive sterilisation and cleaning it may be necessary to replace it more frequently For valve heads with Mic
Download Pdf Manuals
Related Search