Related Manuals for TLV PCV-1
Summary of Contents for TLV PCV-1
- Page 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...
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Page 2: Table Of Contents
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”... -
Page 3: Safety Considerations
The three types of cautionary items above are very important for safety: be sure to observe all of them as they relate to installation, use, maintenance, and repair. Furthermore, TLV accepts no responsibility for any accidents or damage occurring as a result of failure to observe these precautions. - Page 4 Use only under conditions in which no water hammer will occur. The impact of water hammer may damage the product, leading to fluid discharge, which may cause burns or other injury. 172-65200MA-07 (PCV-1) 8 Oct 2021...
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Page 5: Operation
* Maximum allowable pressure (PMA) and maximum allowable temperature (TMA) are PRESSURE SHELL DESIGN CONDITIONS, NOT OPERATING CONDITIONS. ** Valve No. is displayed for products with options. This item is omitted from the nameplate when there are no options. 172-65200MA-07 (PCV-1) 8 Oct 2021... -
Page 6: Configuration
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/Valve Body) Pressure Passing Port 172-65200MA-07 (PCV-1) 8 Oct 2021... -
Page 7: Installation
When installing the product on piping, make sure that the adjustment screw is vertical to the horizontal piping and the cap stays at the top position. If there is a problem, determine the cause using the “Troubleshooting” section in this manual. 172-65200MA-07 (PCV-1) 8 Oct 2021... -
Page 8: Adjustment
1. After the PCV-1 is installed on the pipe, temporarily set the adjustment screw to the desired primary pressure by referring to the graph “Relationship between the Set Pressure and the Number of Turns of the Adjustment Screw”... -
Page 9: Maintenance
Normal: Sound of fluid flow can be heard, and the primary pressure is maintained as designed. When the primary pressure is changed, readjust with the PCV-1 adjustment screw. Parts Inspection When parts have been removed, or during periodic inspections, use the following table to inspect the parts and replace any that are found to be defective. -
Page 10: Disassembly/Reassembly
Insert the valve body connected to together with the valve body the connecting rod in the valve vertically against the body seat by making sure that o-rings of the valve body are in appropriate places 172-65200MA-07 (PCV-1) 8 Oct 2021... - Page 11 - Coat all threaded portions with anti-seize. - If drawings or other special documentation were supplied for the product, any torque given there takes precedence over values shown here. Minimum Required Space for Disassembly Size (in) (in) (33) 172-65200MA-07 (PCV-1) 8 Oct 2021...
- Page 12 (Body/Bonnet) (Bonnet/Cover) O-ring (Connecting Rod) Steel Ball Spring Connecting Backing-up Ring Retainer Coil Spring O-ring (Valve Body) Valve Body Nut (Connecting Rod/ Valve Body) O-ring (Valve Seat Side) Valve Seat O-ring (Under Valve Seat) Body 172-65200MA-07 (PCV-1) 8 Oct 2021...
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Page 13: Troubleshooting
Do not overtighten the adjustment screw to stop leakage. If the leak does not stop even after making an adjustment based on the "Relationship between the set pressure and the number of turns of the adjustment screw", replace the applicable parts 172-65200MA-07 (PCV-1) 8 Oct 2021... -
Page 14: Tlv Express Limited Warranty
Subject to the limitations set forth below, TLV CO., LTD., a Japanese corporation (“TLV”), warrants that products which are sold by it, TLV International Inc. (“TII”) or one of its group companies excluding TLV Corporation (a corporation of the United States of America), (hereinafter the “Products”) are designed and manufactured by... - Page 15 WARRANTY NOT NEGATED HEREBY, AND ANY IMPLIED WARRANTY NOT NEGATED HEREBY, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, DO NOT COVER, AND NEITHER TLV, TII NOR ITS TLV GROUP COMPANIES WILL IN ANY EVENT BE LIABLE FOR, INCIDENTAL OR...
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Page 16: Service
Service For Service or Technical Assistance: Contact your TLV representative or your regional TLV office. In Europe: Tel: [49]-(0)7263-9150-0 Daimler-Benz-Straße 16-18, 74915 Waibstadt, Germany Fax: [49]-(0)7263-9150-50 Tel: [44]-(0)1242-227223 Units 7 & 8, Furlong Business Park, Bishops Cleeve, Gloucestershire GL52 8TW, U.K.
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