TLV CV-COS-16 Instruction Manual
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TLV CV-COS-16 Instruction Manual

Electro-pneumatic control valve with built-in separator and steam trap
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172-65727MA-01 (CV-COS-16) 7 October 2021
Electro-Pneumatic Control Valve
with Built-in Separator and Steam Trap
CV-COS-16
(for Valve Unit)
Copyright © 2021 by TLV CO., LTD.
All rights reserved

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Summary of Contents for TLV CV-COS-16

  • Page 1 172-65727MA-01 (CV-COS-16) 7 October 2021 Electro-Pneumatic Control Valve with Built-in Separator and Steam Trap CV-COS-16 (for Valve Unit) Copyright © 2021 by TLV CO., LTD. All rights reserved...

  • Page 2: Table Of Contents

    The CV-COS-16 is a new control valve that offers a solution for these problems by supplying high-quality steam to the process and offering maximum productivity.

  • 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 When using this product, NEVER stand close to, or leave tools anywhere near, moving parts, such as the shaft. Contact with moving parts or objects becoming caught in moving parts could lead to injury or damage or other accidents. 172-65727MA-01 (CV-COS-16) 7 Oct 2021...

  • Page 5: Specifications

    *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. ***Nameplate layout depends on product specifications. 172-65727MA-01 (CV-COS-16) 7 Oct 2021...

  • Page 6: Configuration

    27 Trap Valve Seat 28 Trap Cover Bolt 29 Nameplate *Replacement parts are available only in the following kits: A = Maintenance Kit B = Repair Kit C = Repair Kit for Trap Valve Seat D = Float 172-65727MA-01 (CV-COS-16) 7 Oct 2021...

  • Page 7: Installation

    15 degrees in the plane perpendicular to the steam flow line. 4. Piping Support Install the product, paying attention to avoid excessive load, bending and vibration. Support the inlet and outlet pipes securely. 172-65727MA-01 (CV-COS-16) 7 Oct 2021...
  • Page 8 When installing a safety valve, be sure not to install it between the control valve and the shut-off valve It must be installed near the equipment it is to protect, on the outlet side of the shut-off valve. Safety Valve Safety Valve 172-65727MA-01 (CV-COS-16) 7 Oct 2021...
  • Page 9 If air quality results in operation failure, the entire actuator unit (including the integrated positioner) must be replaced. If there is a problem in operation, determine the cause using the “Troubleshooting” section in this manual. 172-65727MA-01 (CV-COS-16) 7 Oct 2021...

  • Page 10: Maintenance

    Stuffing Box V-ring Packing: Check for warping or damage Valve Plug & Stem, Valve Seat: Check for damage or scratches Separator screen: Check for clogging and corrosion Trap Valve Seat: Check for scratches, dents, etc. Float: Check for scratches, dents, etc. 172-65727MA-01 (CV-COS-16) 7 Oct 2021...

  • Page 11: Disassembly/Reassembly

    NOTE: Be careful not to pinch your fingers between the valve stem and actuator stem! Stem Bracket Bolt Single Bracket Stem Bracket Clamps 172-65727MA-01 (CV-COS-16) 7 Oct 2021...
  • Page 12 & stem moves up and down smoothly; make sure to tighten them evenly Continued on the next page 172-65727MA-01 (CV-COS-16) 7 Oct 2021...
  • Page 13 Valve Seat Remove the gasket and clean Replace with a new gasket if warped Gasket sealing surfaces or damaged Valve Plug & Stem Valve Seat Valve Bonnet Gasket Flange Guide Bushing Valve Bonnet 172-65727MA-01 (CV-COS-16) 7 Oct 2021...
  • Page 14 Insert it into the groove in the main body Wave Spring Remove the wave spring Insert it into the groove in the trap body Sepa rator Screen Sepa rator Valve Seat Gasket Wave Spring Separator Body Bolt 172-65727MA-01 (CV-COS-16) 7 Oct 2021...
  • Page 15 Stuffing Box Washer/ Pull up and out Reinsert Stuffing Box Spring Guide Bushing Stuffing Box V-ring Packing Stuffing Box Washer Stuffing Box Sectional View of Spring Stuffing Box V-ring Packing Valve Bonnet 172-65727MA-01 (CV-COS-16) 7 Oct 2021...
  • Page 16 2) (1 Nm  10 kgcm) NOTE: -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. 172-65727MA-01 (CV-COS-16) 7 Oct 2021...
  • Page 17 Back: Spring range, Separator Cv value, etc. Wave Spring Valve Seat Gasket Separator Body Separator Body Bolt Float Cover Float Trap Cover Gasket Trap Valve Seat Gasket Trap Cover Trap Valve Seat Gasket Trap Cover Bolt 172-65727MA-01 (CV-COS-16) 7 Oct 2021...

  • Page 18: Troubleshooting

    Output piping is clogged Check the outlet piping Clean or modify the piping The trap valve seat is Check the trap valve Clean or replace with a new clogged seat trap valve seat 172-65727MA-01 (CV-COS-16) 7 Oct 2021...

  • Page 19: 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 20 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...

  • Page 21: 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.

  • Page 22: Options

    1. Remove the plug (optional) from the main body and install the blow/purge valve. 2. Open the blow/purge valve and blow any residual dirt and scale off of the screen. 3. Periodically activate the blow/purge valve to keep the system free of dirt and scale. 172-65727MA-01 (CV-COS-16) 7 Oct 2021...
  • Page 23 Rc(PT) 1 / 4 Rc(PT) 1 / 4 BSPT 1 / 4 BSPT 1 / 4 NPT 1 / 4 NPT 1 / 4 Integrated Filter: 5 µm Integrated Filter: 0.3 µm + 5 µm 172-65727MA-01 (CV-COS-16) 7 Oct 2021...

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