Refrigeration Service Valve Positions

Front seated position the valve stem is turned fully clockwise to effectively stop the flow of refrigerant vapour from the suction line union on the low pressure side of the compressor and to the discharge line union on the high pressure side of the compressor.

Refrigeration service valve positions.

There are over 235 refrigeration careers in houston tx waiting for you to apply. Valve may be installed in any position. Full size ports for unrestricted flow non directional. See salaries compare reviews easily apply and get hired.

Service valves can be set to three different positions figure 3. Include access fitting located on tube extension. Many service valves will have this. Also look to see if the service valve has a packing gland nut.

Many residential techs get confused when they see these multi position valves in larger equipment and andrew does a great job of demonstrating the basics in this video. In this position the service port is closed but the middle port is open to the line port figure 25 9. Compressor multi position service valves. The valve is back seated when the stem is turned all the way out counterclockwise.

Three way service valve positions. This position is called back seated because the valve is seated on the back port of the valve. Seal cap design provides valve operation without removal of seal cap. When opening a service valve make sure it is secured by placing it in a vise or attaching it to the compressor.

Full refrigeration service temperature range of 40 f to 325 f. The low stress way to find your next refrigeration job opportunity is on simplyhired. 235 refrigeration jobs available in houston tx. Service valve front seated position the valve stem is turned fully clockwise to effectively stop the flow of refrigerant vapour from the suction line union on the low pressure side of the compressor and to the discharge line union on the high pressure side of the compressor.

Service valves should al. Service valves can be set to three different positions figure 3. Valves with access fittings also available. It is typically made of brass and is found at the base of the valve stem.