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172-65200MA-07 (PCV-1) 8 October 2021

Surplussing Valve

(Primary Pressure Control Valve)

for Steam and Steam Condensate

PCV-1

Copyright © 2021 by TLV CO., LTD.

All rights reserved

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Содержание PCV-1

Страница 1: ...172 65200MA 07 PCV 1 8 October 2021 Surplussing Valve Primary Pressure Control Valve for Steam and Steam Condensate PCV 1 Copyright 2021 by TLV CO LTD All rights reserved ...

Страница 2: ...l carefully before use and follow the instructions to be sure of using the product properly TLV PCV 1 surplussing valve is a primary pressure adjusting valve for steam and steam condensate It features excellent responsiveness and stable operation with its direct acting pressure balance single seated valve structure that balances the spring force and the primary pressure forcing through the pressur...

Страница 3: ...threat of death or serious injury Indicates that there is a potential threat of death or serious injury Indicates that there is a possibility of injury or equipment product damage Install properly and DO NOT use this product outside the recommended operating pressure temperature and other specification ranges Improper use may result in such hazards as damage to the product or malfunctions that may...

Страница 4: ...further than its lower limit when the coil spring is fully compressed and the adjustment screw cannot turn any further Failure to observe this precaution may damage the product leading to fluid discharge which may cause burns or other injury Use only under conditions in which no freeze up will occur Freezing may damage the product leading to fluid discharge which may cause burns or other injury Us...

Страница 5: ...such hazards as damage to the product or malfunctions which may lead to serious accidents Local regulations may restrict the use of this product to below the conditions quoted CAUTION Use only under conditions in which no freeze up will occur Freezing may damage the product leading to fluid discharge which may cause burns or other injury CAUTION Refer to the product nameplate for detailed specific...

Страница 6: ...ut Body Bonnet 12 Connecting Rod 13 Gasket Bonnet Cylinder 14 Cylinder 15 Piston 16 O ring Piston 17 Gasket Connecting Rod Piston 18 O ring Connecting Rod 19 Nut Connecting Rod Piston 20 Cover 21 Coil Spring 22 Spring Retainer 23 Nut Bonnet Cover 24 Adjustment Screw 25 Steel Ball 26 Cap 27 Locknut 28 Bolt Bonnet Cover 29 Nameplate 30 Bolt Body Bonnet 31 Bite Type Tube Fitting 32 Nut Connecting Rod...

Страница 7: ...ned maintenance personnel 1 Before installation be sure to remove all protective seals 2 Before installing the product blow out the inlet piping to remove any piping scraps dirt and oil Close the inlet valve after blowdown 3 Install the product so the arrow on the body is pointing in the direction of flow 4 Support the inlet and outlet pipes securely to prevent vibration 5 Leave sufficient space f...

Страница 8: ...ns of the adjustment screw corresponding to the set pressure as obtained in Step 1 see graph below If the set pressure cannot be obtained even when the number of turns exceeds this reference value by 2 turns there may be some sort of abnormality Make sure the number of turns does not exceed the reference value by 2 turns and completely loosen the adjustment screw Disassemble and clean the product ...

Страница 9: ... Check for eccentricity warping or scratches Piston Valve Body Check if the piston and valve body move smoothly in the cylinder against the valve seat Piston Check for deformation or scratches Valve Body Check for deformation or scratches O ring Check for damages Back up Ring Check for damages Nut Check if it is loosened Valve Seat Check for deformation scratches or build up Product Inspection Aft...

Страница 10: ...spring from the inside after bolts bonnet cover and cover have been removed Coat steel ball surface with heat resistant grease before reassembly for bolts and nuts bonnet cover consult the table of tightening torques and tighten to the proper torque Cylinder Pull out vertically against the body Remove and clean the remaining gasket on the sealing surface and reassemble Gasket Bonnet Cylinder Remov...

Страница 11: ...th heat resistant grease Table of Tightening Torques Part Name Size Distance Across Flats Torque mm in mm in N m lbf ft Nut Bonnet Cover 25 65 1 21 2 16 5 8 80 59 80 100 3 4 19 3 4 180 130 Nut Body Bonnet 25 1 19 3 4 100 81 40 50 11 2 2 19 3 4 200 150 65 21 2 24 15 16 200 150 80 100 3 4 24 15 16 300 220 Nut Connecting Rod Piston 25 65 1 21 2 17 21 32 40 29 80 100 3 4 19 3 4 60 44 Nut Connecting Ro...

Страница 12: ...g Connecting Rod Connecting Rod Backing up Ring Valve Body O ring Valve Seat Side Bolt Body Bonnet Body Coil Spring Steel Ball Spring Retainer Bite Type Tube Fitting Nameplate Bolt Bonnet Cover Cap Nut Bonnet Cover Nut Body Bonnet O ring Under Valve Seat Adjustment Screw Locknut Cover Valve Seat O ring Valve Body Nut Connecting Rod Valve Body B i t e T y p e T u b e F i t t i n g ...

Страница 13: ...ressure Valve isn t completely closed Valve is leaking O ring under the valve seat is damaged or rust or scale on the valve seat valve body Replace with a new o ring Clean the valve seat and the valve body See NOTE Fluid leaks from the bite type tube fitting on the side of the cover Insufficient sealing of the o rings on the piston Piston o rings are damaged Replace with new o rings NOTE Leakage m...

Страница 14: ...eyond the control of TLV TII or TLV group companies or 6 improper storage maintenance or repair or 7 operation of the Products not in accordance with instructions issued with the Products or with accepted industry practices or 8 use for a purpose or in a manner for which the Products were not intended or 9 use of the Products in a manner inconsistent with the Specifications or 10 use of the Produc...

Страница 15: ...SASSEMBLY AND SHIPMENT OF THE DEFECTIVE PRODUCT INJURY TO OTHER PROPERTY DAMAGE TO BUYER S OR THE FIRST END USER S PRODUCT DAMAGE TO BUYER S OR THE FIRST END USER S PROCESSES LOSS OF USE OR OTHER COMMERCIAL LOSSES WHERE DUE TO OPERATION OF LAW CONSEQUENTIAL AND INCIDENTAL DAMAGES UNDER THIS WARRANTY UNDER ANY OTHER EXPRESS WARRANTY NOT NEGATED HEREBY OR UNDER ANY IMPLIED WARRANTY NOT NEGATED HEREB...

Страница 16: ...ad Nunawading Victoria 3131 Australia Tel Fax 61 0 3 9873 5610 61 0 3 9873 5010 In East Asia 36 Kaki Bukit Place 02 01 02 Singapore 416214 Tel Fax 65 6747 4600 65 6742 0345 Room 5406 No 103 Cao Bao Road Shanghai China 200233 Tel Fax 86 0 21 6482 8622 86 0 21 6482 8623 No 16 Jalan MJ14 Taman Industri Meranti Jaya 47120 Puchong Selangor Malaysia Tel Fax 60 3 8065 2928 60 3 8065 2923 252 94 K L 17th ...

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