Related Manuals for TLV A-COS-10
Summary of Contents for TLV A-COS-10
- Page 1 172-65254MA-04 (A-COS-10) 22 April 2020 Pressure Reducing Valve for Air A-COS-10 Copyright © 2020 by TLV CO., LTD. All rights reserved...
-
Page 2: Table Of Contents
The TLV pressure reducing valve for air, model A-COS, is a new reducing valve that eliminates these problems and makes possible the supply of high- quality air at a constant pressure. -
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. 172-65254MA-04 (A-COS-10) 22 Apr 2020...
-
Page 5: Specifications
0.05 to 0.7 MPaG (7 to 100 psig) Minimum Differencial Pressure 0.05 MPa (7 psi) and larger Maximum Operating Temperature 100 °C (212 °F) Minimum Adjustable Flow Rate 10% of rated flow rate and larger (1 MPa = 10.197 kg/cm 172-65254MA-04 (A-COS-10) 22 Apr 2020... -
Page 6: Correct Usage Of The A-Cos Pressure Reducing Valve
If the safety valve is installed on the outlet side of the product between the product and a control valve, an eventual pressure rise could activate the safety valve. 172-65254MA-04 (A-COS-10) 22 Apr 2020... - Page 7 Automated Automated Valve automated valve (on-off Valve valve) is installed. (Example: if nominal size is Less than 30 d or more 30 d 25 mm (1 in), have 750 mm (30 in) or more) 172-65254MA-04 (A-COS-10) 22 Apr 2020...
-
Page 8: Configuration
Main Valve Seat Main Valve Piston Cylinder Pilot Screen Pilot Screen Holder Pilot Body Pilot Valve Pilot Valve Seat Diaphragm Diaphragm Support Spring Housing Coil Spring Adjustment Screw Spanner Cap Plug (option) Plug – Sensing Line Port 172-65254MA-04 (A-COS-10) 22 Apr 2020... -
Page 9: Installation
Allowable inclination is 10 degrees in the fore-aft direction and 15 degrees in the plane perpendicular to the air flow line. 172-65254MA-04 (A-COS-10) 22 Apr 2020... - Page 10 2) Open the 10 mm (3/8 in) blowdown valve and blow Remove the plug (optional) any residual dirt and scale off of the screen. and install the 3) Periodically activate the blowdown valve to keep blowdown valve. the system free of dirt and scale. 172-65254MA-04 (A-COS-10) 22 Apr 2020...
- Page 11 (Relief Valve) Pressure Gauge Pressure Gauge Pressure Gauge Inlet Side Outlet Side Inlet Side Outlet Side Inlet Outlet Bypass valve Safety Valve A-COS (Relief Valve) Pressure Gauge Pressure Gauge Inlet Side Outlet Side Inlet Outlet 172-65254MA-04 (A-COS-10) 22 Apr 2020...
- Page 12 The bypass pipe should be at least of the size of the inlet (primary side) pipe. Safety Valve Bypass Valve (Relief Valve) A-COS Pressure Gauge Pressure Gauge Ball Valve Ball Valve A-COS 172-65254MA-04 (A-COS-10) 22 Apr 2020...
-
Page 13: Adjustment
7. Slowly, fully open the shut-off valve at the outlet of the product. 8. After setup, retighten the locknut and replace the spanner cap. 9. When shutting down the system, always close the outlet shut-off valve first and then the inlet valve. 172-65254MA-04 (A-COS-10) 22 Apr 2020... -
Page 14: Maintenance
If scale build-up is severe, blockage may occur in a short period of time. Diaphragm Replace after approximately 30,000 hours. If hunting or chattering takes place, cracks or fatigue may develop in a short period of time. 172-65254MA-04 (A-COS-10) 22 Apr 2020... -
Page 15: Disassembly
Check for seizure or any damaged screw threads. Adjustment Screw Spanner Cap Ball Spring Retainer Locknut Hex Bolt Coil Spring Nameplate Spring Housing Diaphragm Support 172-65254MA-04 (A-COS-10) 22 Apr 2020... - Page 16 Check for the interior of the cylinder, the exterior of the piston rings, the small hole on the piston and the cylinder gasket for any fault or abnormality. Piston Ring Tension Ring Piston Piston Ring Tension Ring Cylinder Cylinder Gasket Gasket Connecting Tube Connecting Tube 172-65254MA-04 (A-COS-10) 22 Apr 2020...
- Page 17 Protective Bushing Gasket Check to make sure that Trap Cover there is no deformation of the float, abnormality in Guide Pin the trap valve seat or dirt Trap Cover Bolt accumulation in the trap cover. 172-65254MA-04 (A-COS-10) 22 Apr 2020...
- Page 18 It is permissible to clean using water, however cleaning with a mild detergent is recommended for more effective cleaning. (Coat threaded position with anti-seize after cleaning.) Exploded View Adjustment Section Pilot Section Piston Section Separator / Main Valve Section Air Trap Section 172-65254MA-04 (A-COS-10) 22 Apr 2020...
-
Page 19: Reassembly
NOTE: -If a torque greater than that recommended is applied, the body or its components may be damaged. -Coat all threaded portions with anti-seize. -If drawings or any other special documentation were supplied for the product, any torque given there takes precedence over the values shown here. 172-65254MA-04 (A-COS-10) 22 Apr 2020... -
Page 20: Troubleshooting
The piston is clogged Clean increases with dirt Check the piston ring abnormally The piston ring is worn Replace with a new piston ring Continued on the next page 172-65254MA-04 (A-COS-10) 22 Apr 2020... - Page 21 The body is installed tilted Check the piping The float is deformed Check for water hammer Replace with a new float Continued on the next page 172-65254MA-04 (A-COS-10) 22 Apr 2020...
- Page 22 Water is inside the float Replace with a new float The outlet piping is Check the piping clogged Clean The trap valve seat is Clean clogged Replace with a new trap valve seat 172-65254MA-04 (A-COS-10) 22 Apr 2020...
-
Page 23: Product Warranty
One year following product delivery. 2. Warranty Coverage TLV CO., LTD. warrants this product to the original purchaser to be free from defective materials and workmanship. Under this warranty, the product will be repaired or replaced at our option, without charge for parts or labor.
Need help?
Do you have a question about the A-COS-10 and is the answer not in the manual?
Questions and answers