Related Manuals for Pressure Tech THE LW-351 Series
Summary of Contents for Pressure Tech THE LW-351 Series
- Page 1 THE LW-351 SERIES Operating and Service Manual Series includes LW351-06-A-XX-X-K-XX-XXXX Issue 001 March 2020...
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Page 2: Table Of Contents
TABLE OF CONTENTS 1. Description ..........................3 2. Installation ..........................3 3. Operation ..........................4 4. Special Conditions for Safe Use ..................... 4 5. Hazardous Location Usage ..................... 4 6. Servicing and Maintenance ....................4 6.1. Servicing the LW-351 ....................5 6.1.1. -
Page 3: Description
Filtration suited to the application is recommended upstream of the regulator. Should further assistance or information be required in relation to installation of any Pressure Tech regulator please contact the office, giving reference to the regulators part number and/or serial number. -
Page 4: Operation
Any uncertainty should be clarified with Pressure Tech before working on the regulator. Pressure Tech Ltd recommends the use of Krytox GPL 205 as a lubricant for O-rings and the Adjusting Screw during servicing. Prior to commencing service, please ensure that:... -
Page 5: Servicing The Lw-351
6.1. Servicing the LW-351 *Note: fig 1 should be used as a reference for the following set of instructions 6.1.1. Accessing the Main Valve Assembly To access the Main Valve Assembly (MVA): With the flats of the Regulator Body (1) secured in a vice, ensuring that the Adjusting Screw (7) is fully wound anti-clockwise (*Ref. -
Page 6: Adjusting The Set Point
6.1.2. Adjusting the Set Point Loosen the Lock Nut (12), from the Adjusting Screw (7). Connect the correct fittings to the Inlet and Outlet ports of the regulator. Ensure that any gauge ports are plugged or that the correct gauge is fitted. iii. - Page 7 28mm SENSOR PT-LW-351-003 LW351 BONNET PT-LW-351-002 UPPER SPRING REST SPR-YCMS20-H4S17-X LOAD SPRING PT-C-020 LOCKNUT FILT-SCRM3803040S 8mm DIA SCREEN FILTER FIT-472008-SS-CIRCLIP CIRCLIP FIT-D1400-0090 CIRCLIP OR-BS004 O' RING STD OR-0251-16 O' RING STD OR-BS1806-112 O' RING STD © Copyright of Pressure Tech Ltd...
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Page 8: Technical Data
*Max Inlet Pressure determined by seat material and Cv of regulator. 8. Warranty Statement Pressure Tech Ltd guarantee all products correspond with their specification at the time of delivery and, with exception to wear and tear, wilful damage, negligence, and abnormal working conditions, will be free from defects for a period of 12 months from date of delivery.
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