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TLV CV-COS Instruction Manual

Pneumatic control valve with built-in separator and steam trap
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172-65443A-01 (CV-COS) 17 November 2014
ISO 9001/ ISO 14001
Manufacturer
Kakogawa, Japan
is approved by LRQA LTD. to ISO
9001/14001
Pneumatic Control Valve
with Built-in Separator and Steam Trap
CV-COS
Manufacturer
881 Nagasuna, Noguchi, Kakogawa, Hyogo, 675-8511 Japan
Tel: [81]-(0)79-422-1122 Fax: [81]-(0)79-422-0112
Copyright © 2014 by TLV Co., Ltd. All rights reserved

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Summary of Contents for TLV CV-COS

  • Page 1 LRQA LTD. to ISO 9001/14001 Pneumatic Control Valve with Built-in Separator and Steam Trap CV-COS Manufacturer 881 Nagasuna, Noguchi, Kakogawa, Hyogo, 675-8511 Japan Tel: [81]-(0)79-422-1122 Fax: [81]-(0)79-422-0112 Copyright © 2014 by TLV Co., Ltd. All rights reserved...

  • Page 2: Table Of Contents

    The CV-COS 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. 172-65443A-01 (CV-COS) 17 Nov 2014...

  • Page 5: Specifications

    4 to 20 mA DC / approximately 300 Electrical Connection Port PG11 Protection Class IP54 (dust and splash-proof type) Allowable Ambient Temperature Range -10 to 60 C (14 to 140 F) Material Die cast aluminum / synthetic resin 172-65443A-01 (CV-COS) 17 Nov 2014...
  • Page 6 50:1 Cv (US) Cv and Kvs Cv (UK) Values Kvs (DIN) Valve Leakage Rate Less than 0.01% of the rated Cv and Kvs value (Leak Rate Class) (IEC/ANSI/EN Class IV) (1 MPa = 10.197 kg/cm 172-65443A-01 (CV-COS) 17 Nov 2014...

  • Page 7: Configuration

    Guide Pin Bolt Trap Body Float Cover Float Float Cover Bolt Spring Washer Trap Cover Gasket Trap Valve Seat Gasket Trap Valve Seat Bushing Nameplate Trap Cover Trap Cover Bolt Bolt Stem Bracket Connector Plate Set 172-65443A-01 (CV-COS) 17 Nov 2014...

  • Page 8: Installation

    If the piping is not correctly constructed, the valve may not perform optimally. 1. Blowdown Before installing the CV-COS unit, be sure to blow down all piping thoroughly. If this is not possible, perform a blowdown using the bypass valve. Blowdown is especially important for newly installed piping or after the system has been shut down for a long period of time.
  • Page 9 Shut-off Valve Installation Though the CV-COS adequately performs the function of a shut-off valve initially extended use will result in a drop in its performance as an isolation valve. Be sure to install a separate shut-off or automatic valve if complete isolation is needed.
  • Page 10 If air quality results in operation failure, the entire actuator unit (including the integrated positioner) must be replaced. there is a problem in operation, determine the cause using the “Troubleshooting” section in this manual. 172-65443A-01 (CV-COS) 17 Nov 2014...

  • Page 11: Electrical Wiring

    7. Retighten the screw (1) in the center section of the electrical wiring plug connector by using a screwdriver. Connector Screw NOTE: Use shielded cable to avoid noise interference in the electrical wiring. 172-65443A-01 (CV-COS) 17 Nov 2014...

  • Page 12: Operational Check

    3. Turn on the power to the controller operation signal source, etc. (referred to hereinafter as the controller). 4. Set the operation signal output from the controller to the CV-COS to 0% (4 mA). 5. Check the CV-COS valve travel and the actuator air supply pressure.
  • Page 13 11. After completing the adjustment, insert the jumper pin securely into their previous position and close the cover. Stroke Guide Zero / Span Adjustment Jumper Pin Stroke Gauge Span Adjustment Potentiometer 100% Cover Plate Zero Adjustment Dial 172-65443A-01 (CV-COS) 17 Nov 2014...

  • Page 14: Maintenance

    Visual inspection; does the actual Readjust the air pressure valve travel differ from the reducing valve and positioner designated operation signal value? zero and span; if that does not solve the problem, refer to the "Troubleshooting" section 172-65443A-01 (CV-COS) 17 Nov 2014...

  • Page 15: Disassembly / Reassembly

    Valve Remove with an Consult the table of tightening torques Bonnet Nut open-end wrench and tighten to the proper torque Be careful not to pinch your fingers between the valve CAUTION stem and actuator stem! 172-65443A-01 (CV-COS) 17 Nov 2014...
  • Page 16 Replace with a new gasket if warped or Gasket damaged Bolt Flange Valve Bonnet Guide Gasket Guide Bushing Valve Bonnet Valve Plug & Stem Valve Bonnet Gasket Valve Seat Valve Bonnet Valve Seat Gasket Guide Body 172-65443A-01 (CV-COS) 17 Nov 2014...
  • Page 17 Stuffing Box Spring silicon grease; reattach the V-rings with their Valve Bonnet grooves facing downward Stuffing Box Pull up and out Reinsert Washer Sectional View of Stuffing Box Stuffing Box V-rings Spring 172-65443A-01 (CV-COS) 17 Nov 2014...
  • Page 18 Bolts for Float Cover (5.1) (5.1) (15) Trap Valve Seat (11) (11) (29) Bolts for Trap Cover (44) (44) (44) (44) (51) Nut for Actuator (72) (72) (72) (72) (72) (1 N·m ≈ 10 kg·cm) 172-65443A-01 (CV-COS) 17 Nov 2014...

  • Page 19: Troubleshooting

    Check to make sure the Inspect the controller and signal system controller is emitting a 4 to 20 repair the signal wiring if mA signal and that the wires necessary are not disconnected, etc. Troubleshooting continued on next page 172-65443A-01 (CV-COS) 17 Nov 2014...
  • Page 20 Output piping is Check the outlet piping Clean or modify the piping clogged The trap valve seat is Check the trap valve seat Clean or replace with a new clogged trap valve seat 172-65443A-01 (CV-COS) 17 Nov 2014...

  • Page 21: Express Limited Warranty

    EXPRESS LIMITED WARRANTY Subject to the limitations set forth below, TLV Corporation, a North Carolina corporation (“TLV”) warrants that products which are sold by it or TLV International, Inc., a Japanese corporation (“TII”), which products (the “Products”) are designed and manufactured by TLV Co., Ltd., a Japanese corporation (“TLVJ”), conform to the specifications published...
  • Page 22 TRANSPORTATION COSTS ASSOCIATED WITH THE RETURN OR REPLACEMENT OF THE CLAIMED DEFECTIVE PRODUCT ARE SOLELY THE RESPONSIBILITY OF BUYER OR THE FIRST END USER. TLV RESERVES THE RIGHT TO INSPECT ON THE FIRST END USER’S SITE ANY PRODUCTS CLAIMED TO BE DEFECTIVE BEFORE ISSUING A RETURN MATERIAL AUTHORIZATION.

  • Page 23: 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. 172-65443A-01 (CV-COS) 17 Nov 2014...
  • Page 24 Integrated Filter: 5 m + 0.3 m With Filter Regulator With Filter Regulator + Mist Separator (Automatic Condensate Discharge) (Automatic Condensate Discharge) Rc(PT) Rc(PT) BSPT BSPT Integrated Filter: 5 m Integrated Filter: 5 m + 0.3 m 172-65443A-01 (CV-COS) 17 Nov 2014...

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