li-cyj-1
Contents
1. HOUSING 1 13 32 35 7 I B 3 1 2 88 9 2 13 16 71 4 F l 4x OQ 38 HOLES 95 BOTTOM PRESSURE CONN 1 4 NPT 2 13 16 71 5 3 1 2 88 9 REAR VIEW YOKE WALL OR PANEL MTG Figure 2 a Rear View Wall and Pipe Mount PANEL 1 2 THICK MAX p WALL a Ni PRESSURE CONN Ih REMOVE U BOLTS AND USE 4 5 17 7 9 BOLTS FOR WALL MTG 2 PIPE 2 3 8 0 0 SIDE VIEW d ZER FLUSH MTG ADAPTER PLATE ve Figure 2 b Side View Wall and Pipe Mount Copyright 2008 TMC Products Inc Page 6 LI CYJ 1 Differential Pressure Gauge User s manual The indicator zero may have to be adjusted prior to use This can be done before or after mounting If it is done before mounting be sure the indicator is orientated the same as it will be in the final mounting configuration Mounting orientation can affect the indicator zero position Follow the instructions in Section 4 to adjust the indicator zero mill 2X 45 4X 17 64 EQ SP PANEL MOUNTING CUTOUT Figure 3 3 0 Placing the indicator in service When placing the indicator in service e Start with the Low Pressure High Pressure and Balance valves closed e Open the Balance Valve e Open the High Pressure Valve e Close the Balance Valve e Open the Low Pressure Valve 4 0 Zero position adjustment Copyright 2008 TMC Products Inc Page 7 LI CYJ 1 Differential Pressure Gauge User2. T a s t Measure Control DUAL BELLOWS DIFFERENTIAL PRESSURE GAUGE MODEL LI CYJ 1 User s Manual Version 1 Dec 2008 Inch of water 80 TMC Products Inc P O BOX 5005 Rancho Santa Fe CA 92067 U S A 858 754 1101 phone or fax www tmcpi com LI CYJ 1 Differential Pressure Gauge User s manual Contents TO leet ICU OM ET 3 2 0 Design and operation rettet cente trea en a pi e Pad edens above a ceded eaei E EE A ECEE 3 DRM 3 3 0 Placing the indicator in Service crescissi eisten so a e eene ence de Dance e ga tea pe esse e pa ke pk RE e gen oka pe Iu Ee des 7 4 0 Zero position ACjUStMEM EE 7 5 0 Parts QA SMAI EIE TU T dels sacs On care dam sued deeds odes anced ban kn pa be e Ek kd accede 12 6 0 T chnical Specifiations sisesscssscn3sciaecaessasncnssetndnesseaatcngesdaicnessaitensssdtineseeastandesdaicesseasncnseadsieegeesateedeaa AN AAS 14 TO SUOla PO ki PE kk ka klebe He Aine iia Awan ine 14 8 0 Service aftersales P 15 9 0 Warranty EE 15 RI Ee 16 10 0 TMC small part number ordering guide essere nnn nnne nnne nnn nnns 16 Copyright 2008 TMC Products Inc Page 2 LI CYJ 1 Differential Pressure Gauge User s manual 1 0 Introduction The LI CYJ 1 is a differential pressure indicator used to measure differential pressure of liquid level or flow Typical applications inclu
3. s manual For the most accurate measurement it may be necessary to adjust the zero position of the pointer This can be done prior to or after installation of the indicator If zero position adjustment is made prior to installation it is important to ensure that the orientation of the indicator while the adjustment is being performed is the same as it will be in the actual installation The recommended indicator position when performing the adjustment is to have the scale plate vertical i e perpendicular to the horizontal plane see Figure 5 Zero adjustment can be done with no pressure applied or under static pressure with the same pressure applied to both the high and low pressure ports If the unit has been installed with a 3 valve manifold or individual valves this can be done by performing the following steps e Close the Low Pressure Valve Open the Balance Valve This applies the high side static pressure to both the high and low pressure ports for zero adjustment under static pressure conditions To return the unit to service performs the following steps after the zero adjustment has been completed Close the Balance Valve Open the Low Pressure Valve To perform the actual zero adjustment you should complete the following steps Remove the 3 screws that hold the bezel and lens to the indicator case Remove the bezel lens and lens gasket from the unit Tap the scale plate with the fingers of one had 3 4 times to al
4. Relative humidity 596 to 9596 Lens O rings wetted Dial size 152 mm 6 0 inches Overall dimensions 190x135mm 7 5 x 5 3 inches Weight 3 2kg 7 04 Ibs 7 0 Storage Unopened units should be stored in an indoor environment where the temperature is between 0 and 40 degree Celsius and where the humidity does not exceed 80 Corrosive gas and other harsh environments should be avoided If a meter has been stored or has gone unused for more than five years the unit should be subject to an evaluation by a qualified technician before being placed in service Copyright 2008 TMC Products Inc Page 14 LI CYJ 1 Differential Pressure Gauge User s manual 8 0 Service after sales TMC Products Inc commits to provide professional high quality service to all of our customers We welcome your questions comments and feedback on our products If you have any questions or difficulties with the installation and operation of our products please contact us and we will offer technical support as quickly as possible 9 0 Warranty TMC Products Inc warrants that at the time of shipment the products manufactured by TMC Products Inc and sold hereunder will be free from defects in material and workmanship and will conform to the specifications furnished by or approved by TMC products Inc TMC Products will repair or furnish a replacement for but not install any product for which a warranty claim is filed within three 3 years of shipment f
5. de the measurement of the level in Cryogenic tanks holding liquid oxygen liquid nitrogen liquid carbon dioxide liquid argon and similar liquefied gases In addition the level of virtually any liquid contained in any form of tank or container can be measured using this indicator When measuring the level of liquid in a vessel the pressure gauge is connected in such a way as to display changes in the differential pressure caused by changes in the height of the liquid in the vessel When measuring the flow rate the unit is connected between a low pressure and a high pressure side of the system being measured 2 0 Design and operation The Model LI CYJ 1 differential pressure indicator consists of a differential pressure measuring unit DPMU coupled to an indicator case assembly which includes a 6 inch scale and a mechanical pointer that rotates across that scale on a 270 degree arc to provide an indication of the measured variable DPMU The DPMU is comprised of two opposing bellows assemblies one low pressure and the other high pressure each of which is enclosed in a pressure housing and along with over range valves a temperature compensator and a torque tube assembly mounted and sealed on a center plate The bellows and center plate are filled with a non compressible fluid The torque tube assembly transmits the motion of the bellows to an external indicator assembly The measurement range of the indicator is set by a combination
6. enter plate to the indicator case assembly through rotation of the torque tube shaft The torque tube shaft rotates approximately 9 degrees It is connected to a pointer and meter movement assembly through a linkage which causes the pointer to rotate 270 degrees in response to the torque tube shaft rotation The indicator case assembly includes a scale plate with markings corresponding to variable being measured Standard and custom scale plates are available to meet any need The temperature compensation device connected outside the high pressure bellows keeps the temperature shift of the differential pressure readings to the minimum within the working temperature range All TMC indicators are calibrated and tested before shipment and are ready for installation when received Immediately upon receipt unpack the unit and inspect for any damage that may have occurred during transport service handle the unit appropriately and carefully and do not allow any oils or E If the unit is packaged with a notation that it has been cleaned for Oxygen ZA contamination to enter the pressure ports The indicator includes dual pressure port connections top and bottom on both the high and low pressure housings The high pressure side is located on the right side of the instrument when facing the scale plate of the indicator and the low pressure connection is on the left The standard port size is 4 FNPT however many other port sizes are availab
7. le at customer request If in doubt check the TMC Smart Part Numbering Guide which will indicate the connection fittings for each unit shipped Ensure that the high and low pressure ports are properly connected Unused ports can be plugged or plumbed for use as vents or drains depending on whether a liquid or gas is being measured It is recommended that installation utilize a 3 valve manifold or independent high low and balance valve configuration between the process connections and the indicator as indicated in Figure 1 A 3 valve configuration will allow the unit to be placed into service without unnecessary risk of over range exposure and will also facilitate taking the unit out of service and re setting the indicator zero reading after re placing the unit into service Copyright 2008 TMC Products Inc Page 4 LI CYJ 1 Differential Pressure Gauge User s manual LP Differential Low Pressure HP High Pressure Low Pressure Valve Low Pressure Valve Figure 1 3 Valve method of connecting the indicator and the storage tank Install the unit using the wall pipe mount bracket per the drawing shown in Figure 2 a and 2 b If the indicator is to be panel mounted use the drawing shown in Figure 3 for dimensional reference Copyright 2008 TMC Products Inc Page 5 LI CYJ 1 Differential Pressure Gauge User s manual 6 13 32 162 7 TOP PRESSURE CONN 1 2 NPT LOW PRESSURE HIGH PRESSURE HOUSING
8. low the pointer to find its minimum friction position e Set the pointer zero position by holding the hub and rotating sliding the pointer on the hub to align it with the zero mark as shown in Figure 4 Use a 4 wrench or a flat blade screwdriver if the hub does not include a hex nut to hold the hub in place with one hand while carefully rotating the pointer to the zero position using the fingers of the other hand e Check the zero position and repeat the procedure as necessary to accurately align the pointer with the zero scale mark Copyright 2008 TMC Products Inc Page 8 LI CYJ 1 Differential Pressure Gauge User s manual Range Adjust Scale Plate Zero Line Max Line FRONT VIEW Figure 4 Copyright 2008 TMC Products Inc Page 9 LI CYJ 1 Differential Pressure Gauge User s manual lt Scale Plate Pointer slipped HUB rotated on hub I G Ag Hub held in place With 1 4 wrench Figure 5 Zero Adjustment The range of the instrument can be adjusted by using a 2 mm wrench to rotate the Rand Adjustment Screw see Figure 6 that is accessible through the slot in the scale plate Only a small range adjustment can be performed using this procedure If an adjustment greater than a percent or so is required than a complete recalibration may be necessary Please follow the instructions on the TMC web site for complete recalibration or return the unit for recalibratio
9. n Copyright 2008 TMC Products Inc Page 10 LI CYJ 1 Differential Pressure Gauge User s manual Figure 6 Range Adjustment Assembly Copyright 2008 TMC Products Inc Page 11 LI CYJ 1 Differential Pressure Gauge User s manual 5 0 Parts diagram 8 Scale Plate 11 Screw 9 Bezel 10 Bezel Screw Slotted Set Screw Assembly 12 Nut Hex 6 Pointer 7 Snubber Assembly Front Back 2 Bezel 3 Lens 4 O Ring 5 Scale 1 Case Plate Assembly Figure 7 Parts diagram Copyright 2008 TMC Products Inc Page 12 LI CYJ 1 Differential Pressure Gauge User s manual Item Description Part Number Qty 1 Case Assembly includes DPMU and 1 meter movement 2 Bezel Part Of Item 10 1 3 Lens Part Of Item 10 1 4 O Ring Part Of Item 10 1 5 Scale Plate 3 6 Pointer Assembly White 1 Black 7 Snubber 2 8 Scale Plate Screw 4 9 Bezel Screw 4 10 Bezel Assembly 11 Screw Slotted Set 1 12 Nut Hex Copyright 2008 TMC Products Inc Page 13 6 0 Technical specifications LI CYJ 1 Differential Pressure Gauge User s manual Accuracy level 1 5 Nominal working pressure 2 5MPa Measurement rang 0 15kPa 0 1500 mm WC 0 20kPa 0 2000 mm WC 0 25kPa 0 2500 mm WC 0 30kPa 0 3000 mm WC 0 50kPa 0 5000 mm WC 0 75kPa 0 7500 mm WC Atmospheric pressure 86kPa 1 OGkPa Temperature 40 to 70
10. nents and specifications they wish in their indicator Use the handy chart below as a guide for creating application specific indicator Copyright 2008 TMC Products Inc Page 16 LI CYJ 1 Differential Pressure Gauge User s manual SUYM YO DE JO 2 9 uo SIUM e suonenpel5 JO jequnN e 213 UWAL ISd Sal SUN APS e 233 00T 0 38u8H3 E28 e BJEISJENQ JO BIBUIS e 312 100 BJENDS JO Jeau e Can sel Eege 7 Deusgid ass PIEpuEIs wou apo Japejeyp Z u P PUEIS XX 2104 AS Sue ueS xQjojpsues T Qyepuexs auoN O Bmueayj wiro UOTEUUOJUI SULMOTOJ eu pord ased 7 210N um z Neung L Sury Q Smsnot a4nssa4q suod LAN At isd oos ssexi pasoj Cp SUOd LAN At S 005 sseg paSyo4 TO aunssaig Surq10 SuIsnoy a1nssa1q QL pewoglsayo 2 vues u AxO eqnjounojy T PINY auos O PO T Issore 1 ISS9IE o TELIS1ETV SALOITO4T 9M uu oo0sz O edP losz 0 II QM uu ooo0z O ed O0nZ 0 OI OM uu 00061 0 244081 0 60 QM ww 006Z1 0 edASZL 0 80 OM ww o000L O ed 00L O LA L Qwuugog OPec s 0 90 QM uu oo0S O edHOS O SA LO WW OODE O EHXAOE O f Qa uu oosz O ec isz O0 m famu E NE _ OM ww DOS L OlgOgL 0 aBuey ainssalg TUE pe AJaquinw PPO LJIJUI oe Fe De Pe BID Page 17 Copyright 2008 TMC Products Inc
11. of springs which are attached to the bellows and controlled by adjustment of the indicator mechanism The temperature compensation device is attached to the high pressure bellows to minimize the effect of temperature on the performance of the gauge The tank being measured is connected to the high and low bellows through the connection fittings on the pressure housing The internal volume under the bellows and inside the center plate of the DPMU is filled with a non compressible fluid the fill fluid which allows the bellows to move in response to the applied differential pressure without damage to the bellows As the bellows move the fill fluid flows from the high pressure bellows to the low pressure bellows thru an internal passage in the center plate If the differential pressure rating of the DPMU is exceeded an internal overpressure valve seals the fluid passage and traps fluid in the bellows to prevent damage or Copyright 2008 TMC Products Inc Page 3 LI CYJ 1 Differential Pressure Gauge User s manual shift in calibration The trapped fluid under the bellows stops the bellows movement and allows very high pressures to be applied without any damage to the bellows A variety of fill fluids are available for any application including inert fluids suitable for applications involving measurement of oxygen The sealed torque tube assembly connected to a shaft coupling the two bellows transmits the position of the bellows through the c
12. rom TMC Products Inc and which following test and examination by TMC Products Inc proves defective within the above warranty H Buyer believes any product is defective under this warranty Buyer shall notify TMC Products immediately No product will be accepted for return or replacement without the written authorization of TMC Products Inc Upon such authorization and in accordance with instructions by TMC Products Inc the product will be returned shipping charges prepaid by Buyer Replacement made under this warranty will be shipped prepaid THE FOREGOING WARRANTY IS IN LIEU OF AND EXCLUDES ALL OTHER EXPRESSED OR IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OR OTHERWISE Components manufactured by any supplier other than TMC Products shall bear only the warranty made by the manufacturer of that product and TMC Products Inc assumes no responsibility for the performance or reliability of the unit as a whole In no event shall TMC Products be liable for indirect incidental or consequential damages nor shall the liability of TMC Products arising in connection with any products sold hereunder whether such liability arises from a claim based on contract warrant tort or otherwise exceed the actual amount paid by Buyer to TMC Products Inc for the products delivered hereunder The warranty does not extend to any product manufactured by or for TMC Products Inc which has been subjected to misuse neglect acciden
13. t improper installation or is used in violation of instructions furnished by TMC Products Inc Copyright 2008 TMC Products Inc Page 15 LI CYJ 1 Differential Pressure Gauge User s manual The warranty does not extend to or apply to any unit which has been repaired or altered ant any place other than at a TMC Products Inc authorized service location by persons not expressly approved by TMC Products Inc Disclaimer TMC Products Inc makes no warranty of any kind with regard to these manual materials referenced to attached to or provided with including but not limited to implied warranties of merchantability and fitness for a particular purpose TMC Products Inc shall not be liable for errors contained in this manual including materials attached to or referenced herein or provided with or for incidental or consequential damages in connection with furnishing performance or use of this information The information contained in this manual along with referenced attached or provided materials is subject to change without notice The contents of this manual and all attached provided referenced materials may be revised without prior notice 10 0 TMC Smart Part Number Ordering Guide In order to make the ordering process as smooth as possible for our customers TMC Products Inc has implemented a Smart Part ordering system that allows our customers to build their own specific indicators by specifying in the order precisely what compo
Download Pdf Manuals
Related Search
li cyj 1 licyjski