ASCO VALVE 8215 PDF

Positioning Piping Valve must be mounted with solenoid vertical and upright. Connect piping to valve according to markings on valve body. Apply pipe compound sparingly to male pipe threads only. If applied to valve threads the compound may enter the valve and cause operational difficulty. Avoid pipe strain by properly supporting and aligning piping. When tightening the pipe, do not use valve or solenoid as a lever.

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Positioning Piping Valve must be mounted with solenoid vertical and upright. Connect piping to valve according to markings on valve body. Apply pipe compound sparingly to male pipe threads only. If applied to valve threads the compound may enter the valve and cause operational difficulty.

Avoid pipe strain by properly supporting and aligning piping. When tightening the pipe, do not use valve or solenoid as a lever. Locate wrenches applied to valve body or piping as close as possible to connection point.

Clean periodically depending on service conditions. Valve bodies are made of rugged aluminum with trim and internal parts made of steel and stainless steel. Series valves may be provided with a general purpose or explosionproof solenoid enclosure. Note: No minimum operating pressure differential required. Check nameplate for correct catalog number, pressure, voltage, frequency, and service. Never apply incompatible fluids or exceed pressure rating of the valve. Installation and valve maintenance to be performed by qualified personnel.

Vent hazardous or combustible fluid to a safe area before servicing the valve. NOTE: It is not necessary to remove the valve from the pipeline for repairs. Future Service Considerations Provision should be made for performing seat leakage, external leakage, and operational tests on the valve with a nonhazardous, noncombustible fluid after disassembly and reassembly.

Temperature Limitations For maximum valve ambient and fluid temperatures, refer to chart below. Check catalog number prefix on nameplate to determine maximum temperatures. The time between cleanings will vary depending on the medium and service conditions. In general, if the voltage to the coil is correct, sluggish valve operation, excessive noise or leakage will indicate that cleaning is required.

In the extreme case, faulty valve operation will occur and the valve may fail to open or close. Clean valve strainer or filter when cleaning the valve. S Keep the medium flowing through the valve as free from dirt and foreign material as possible. Pilot disc at base of core assembly.

The actual frequency of exercise necessary will depend on specific operating conditions. A successful operating history is the best indication of a proper interval between exercise cycles. S Depending on the medium and service conditions, periodic inspection of internal valve parts for damage or excessive wear is recommended.

Thoroughly clean all parts. If parts are worn or damaged, install a complete rebuild kit. Pressure to valve must be within range specified on nameplate. Excessive Leakage: Disassemble valve and clean all parts. Valve Disassembly WARNING: To prevent the possibility of death, serious injury or property damage, turn off electrical power, depressurize valve, extinguish all open flames and avoid any type of sparking or ignition. Remove solenoid enclosure, see separate installation and maintenance instructions.

For AC Construction, unscrew solenoid base subassembly. For wrench adapter only, order kit No. K which is available for solenoid base subassembly removal or replacement. All parts are now accessible to clean or replace. Replace valve bonnet and bonnet screws 6. For AC construction, replace bonnet gasket and solenoid base subassembly.

Replace solenoid see separate instructions and make electrical hookup. WARNING: To prevent the possibility of death, serious injury or property damage, check valve for proper operation before returning to service.

Also perform internal seat and external leakage tests with a nonhazardous, noncombustible fluid. Restore line pressure and electrical power supply to valve. After maintenance is completed, operate the valve a few times to be sure of proper operation.

A metallic click signifies the solenoid is operating. Valve Reassembly 1. S Internal surface of valve bonnet where diaphragm assembly contacts bonnet when valve is in the energized open position. VR6 www. Figure 1. Series valves without solenoid, AC Construction. For wrench adapter only order no. Series valves without solenoid, DC Construction.

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Valve must be mounted with solenoid vertical and upright. Piping Connect piping to valve according to markings on valve body. Apply pipe compound sparingly to male pipe threads only. If applied to valve threads the compound may enter the valve and cause operational difficulty. Avoid pipe strain by properly supporting and aligning piping. When tightening the pipe, do not use valve or solenoid as a lever. Locate wrenches applied to valve body or piping as close as possible to connection point.

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