What is a piercing valve used for in HVAC?
What is a piercing valve used for in HVAC?
Bullet® piercing valves are used for round suction lines or uneven tubing. Can be installed on the high side as a permanent valve on the job. Utilizes the same type of gasket found under the head plate of most air conditioning compressors. When installed, the gasket actually compresses the copper tubing .
What does a piercing valve do?
Piercing valves provide up to more sealing area than competitive O-ring types. Piercing needle is designed for concentricity and hardness to insure perfect seating every time. Valves with a knurled control knob offer more easy flow control.
Where is the low side on a refrigerator compressor?
The low side line of the system will have a larger diameter metal pipe than the high-side. The low side service port is usually located between the AC compressor and evaporator.
What type of valve is a piercing valve?
The Supco® bullet piercing valve is a line piercing valve with a permanent type, patented gasket that provides up to 50 times more sealing area than competitive O-ring types. Piercing needle is designed for concentricity and hardness to insure perfect seating every time.
Can you leave a piercing valve in place?
Solderless piercing valves are generally used to access refrigerant during service and should not be left on the appliance afterwards. This is because they tend to leak over time.
Do bullet piercing valves leak?
They leak down over time.
How do you tell if the compressor is bad on a refrigerator?
The best way to tell if something has gone wrong with the compressor is to pull the fridge slightly out from the wall and listen closely. If the motor is running with a slight humming sound but the temperature is above what its normal range should be, then it’s likely there could be a problem with the compressor.
How are piercing valves used in refrigeration lines?
Refrigeration Line Piercing Valves. Piercing valves provide up to more sealing area than competitive O-ring types. Piercing needle is designed for concentricity and hardness to insure perfect seating every time. Valves with a knurled control knob offer more easy flow control.
Which is the best piercing needle for refrigeration?
Piercing valves provide up to more sealing area than competitive O-ring types. Piercing needle is designed for concentricity and hardness to insure perfect seating every time. Valves with a knurled control knob offer more easy flow control. JB Industries™ copper saddle line piercing valves provide excellent protection from leaks.
How big is a self piercing saddle valve?
PEX Ice Maker Installation Kit – 25 Feet of Tubing For Appliance Water Lines With Self Piercing Saddle Valve For Quick Installation, 1/4” Compression Fittings, Flexible Hose For Potable Drinking Water . . Only 16 left in stock – order soon.
How do you attach a self piercing valve to a water line?
If there is no shutoff valve that can turn off the pipe locally, turn off the water to the entire house at the main shutoff valve, then relieve pressure in the water lines by opening the lowest faucet in the house. Make sure the water pipe is clean and smooth along the section where you will be attaching the valve.