TLV CV-COS-16 Instruction Manual Download Page 1

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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)

Summary of Contents for 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: ...arator and a steam trap Steam using equipment can achieve its intended efficiency only if the steam being used is very dry Using steam in which matter such as condensate scale or types of grease is entrained can not only result in problems with the steam using equipment and in lowered productivity but can also lead to shortened service life for and malfunction of the control valve The CV COS 16 is...

Page 3: ...eath 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 NEVER apply direct heat to the float The float may explode due to increased internal pressure causing accidents leading to serious injury or damage to property and equipment Install properly and DO NOT use this product outside the ...

Page 4: ...h no freeze up will occur Freezing may damage the product leading to fluid discharge which may cause burns or other injury 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 Make sure the power supply is OFF before carrying out work on the wiring or inspections involving di...

Page 5: ...use burns or other injury CAUTION Refer to the product nameplate for detailed specifications Valve Section Actuator Section 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 pro...

Page 6: ...ge 5 Guide Bushing 6 Valve Bonnet Nut 7 Valve Bonnet 8 Stuffing Box V ring Packing 9 Stuffing Box Washer 10 Stuffing Box Spring 11 Valve Plug Stem 12 Valve Bonnet Gasket 13 Bolt 14 Nut 15 Main Valve Seat 16 Separator Screen 17 Separator 18 Wave Spring 19 Valve Seat Gasket 20 Separator Body Bolt 21 Float Cover 22 Float 23 Float Cover Bolt 24 Spring Washer 25 Trap Cover Gasket 26 Trap Valve Seat Gas...

Page 7: ...djustment and valve opening closing should be carried out only by trained maintenance personnel Check to make sure that the piping where the product is to be installed is constructed properly If the piping is not correctly constructed the valve may not perform optimally 1 Blowdown Before installing the product be sure to blow down all piping thoroughly If this is not possible perform a blowdown us...

Page 8: ...all valves which will not retain condensate are recommended for inlet and outlet shut off valves The bypass pipe should be at least 1 2 of the size of the inlet primary side pipe 8 Installation Environment Check the installation environment to make sure that the ambient temperature does not exceed the actuator ambient temperature limit and that no corrosive gasses are present 9 Shut off Valve Inst...

Page 9: ...the air lines for the motive air that is to be piped to the actuator blow out the air in the lines to purge any dirt foreign matter oil or water from inside of the piping 14 Quality of Motive Air Supply to the actuator only clean air that does not contain water oil or foreign matter To prevent malfunction due to contamination of the air supply installation of the optional air filter regulator 5 µm...

Page 10: ...d of the medium flowing Adjust the zero span if that does not solve the problem replace with a new valve plug stem and valve seat Leakage from gland area Visual inspection is fluid leaking from the gap between the guide bushing and the valve stem or are there signs it has leaked previously Coat the guide bushing and the valve stem with grease if that does not solve the problem replace with new V r...

Page 11: ...ssembling Reassembling the Valve and Actuator Sections on the following page when removing the actuator section Consult the table of tightening torques when mounting the actuator section on the valve section NOTE Be sure to coat all threaded portions of the valve seat and bolts with anti seize Removing Reattaching the Stem Bracket Clamps Part During Disassembly During Reassembly Set the actuator a...

Page 12: ... mA 50 Make sure the gap between the valve stem and the actuator stem is open Valve Bonnet Nut Remove with an open end wrench Consult the table of tightening torques and tighten to the proper torque NOTE Be careful not to pinch your fingers between the valve stem and actuator stem Disassembling Reassembling of the Body Section Part During Disassembly During Reassembly Guide Bushing Loosen slightly...

Page 13: ...ve seat The difference between the inner diameter of the body and the outer diameter of the valve bonnet guide is very small so make sure that it does not tilt and get caught when inserting the valve bonnet guide Valve Bonnet Guide Gasket Remove the gasket and clean sealing surfaces Replace with a new gasket if warped or damaged Valve Plug Stem Pull up and out being careful not to damage the plug ...

Page 14: ...e separator fall out Consult the table of tightening torques and tighten to the proper torque Separator Screen Remove the separator screen Being careful not to bend it insert it securely onto the slanted part of the separator Separator Remove the separator Insert it into the groove in the main body Wave Spring Remove the wave spring Insert it into the groove in the trap body Wave Spring Separator ...

Page 15: ...ing Reassembling the Gland and its Components In the procedure below first partially loosen the guide bushing and then remove the valve plug stem before removing the other parts The procedure is most easily performed if the bushing is loosened while it is attached to the valve body Part During Disassembly During Reassembly Guide Bushing Remove with a socket wrench Consult the table of tightening t...

Page 16: ...8 11 16 19 3 4 Float Cover Bolt 15 to 20 1 2 to 3 4 7 5 1 8 5 16 25 to 40 1 to 11 2 10 7 10 3 8 50 2 20 15 13 1 2 14 9 16 Trap Valve Seat 15 to 20 1 2 to 3 4 10 7 11 7 16 25 to 40 1 to 11 2 15 11 13 1 2 14 9 16 50 2 40 29 16 5 8 17 21 32 Trap Cover Bolt 15 to 40 1 2 to 11 2 60 44 16 5 8 17 21 32 50 2 70 51 18 11 16 19 3 4 Valve Bonnet Nut 15 to 50 1 2 to 2 150 72 36 113 32 Stem Bracket Bolt 15 to ...

Page 17: ...ug Stem Valve Seat Bolt Main Body Separator Screen Separator Wave Spring Valve Seat Gasket Separator Body Separator Body Bolt Float Cover Trap Valve Seat Gasket Float Trap Cover Gasket Trap Cover Trap Cover Bolt Trap Valve Seat Gasket Nameplate Front Model size date of manufacture Back Spring range Cv value etc The shape of the plug differs depend on the size and the Cv value Guide Bushing ...

Page 18: ... the inlet pressure for the control valve Decrease the inlet pressure Cv value and the spring range must be changed The valve plug and valve seat are off center Move the valve plug stem up and down and check to see if it catches Reassemble the valve bonnet section correctly Wear of the sealing surfaces of the valve plug and valve seat Check the valve plug and valve seat Replace the valve plug and ...

Page 19: ... beyond 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 Prod...

Page 20: ...DISASSEMBLY 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 HER...

Page 21: ...Road 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 17t...

Page 22: ...tions are available to meet individual specification requirements so please verify your particular product Body Options Section A Standard No Plug No Plug With Plug 1 N m 10 kg cm Torque Dist Across Flats N m lbf ft mm in 30 22 12 1 2 NOTE Wrap sealing tape 3 3 5 times around the threaded portions Applications for Use Where there are large amounts of dirt or scale or for applications such as heati...

Page 23: ...nual Condensate Discharge Integrated Filter 5 µm Integrated Filter 0 3 µm 5 µm With Filter Regulator Automatic Condensate Discharge With Mist Separator Filter Regulator Automatic Condensate Discharge Integrated Filter 5 µm Integrated Filter 0 3 µm 5 µm Rc PT 1 4 BSPT 1 4 NPT 1 4 Rc PT 1 4 BSPT 1 4 NPT 1 4 Rc PT 1 4 BSPT 1 4 NPT 1 4 Rc PT 1 4 BSPT 1 4 NPT 1 4 ...

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