Refrigeration Service Valve Positions

Also look to see if the service valve has a packing gland nut.

Refrigeration service valve positions.

6 57 a hose is connected to the low side access point compressor suction valve through a filter drier to the transfer unit compressor suction valve. Compressor multi position service valves. There are over 235 refrigeration careers in houston tx waiting for you to apply. It is typically made of brass and is found at the base of the valve stem.

Service valves should al. A hose is then connected from the transfer unit compressor discharge valve to an external storage cylinder. Include access fitting located on tube extension. 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.

Seal cap design provides valve operation without removal of seal cap. The low stress way to find your next refrigeration job opportunity is on simplyhired. Service valves can be set to three different positions figure 3. Three way service valve positions.

See salaries compare reviews easily apply and get hired. When opening a service valve make sure it is secured by placing it in a vise or attaching it to the compressor. Many service valves will have this. Valve may be installed in any position.

The packing gland nut helps to ensure a leak free seal. 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. 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. Full refrigeration service temperature range of 40 f to 325 f.

235 refrigeration jobs available in houston tx. Service valves can be set to three different positions figure 3. In this position the service port is closed but the middle port is open to the line port figure 25 9. This position is called back seated because the valve is seated on the back port of the valve.