R12 to R134A Bullet Piercing Valve Kit with Dust Cap Converts Fit 7/16 Inch Low Side Port BPV-31 Bullet Piercing Tap Valve universal refrigerator card sleeves

EPLZON R12 to R134A Bullet Piercing Valve Kit with Dust Cap Converts Installation Procedure: 1. Turn the pin counterclockwise with the provided hexagon wrench so that the pin will not Pierce the pipe, perforated pins should not be raised to the top of the valve 2. Remove three bolts with socket wrench 3. Place two parts of the valve around the pipe.Use inserts only when the valve needs to be adjusted to the appropriate pipe size. lf the tube is 3/8(bvp-31)or 5/8"(bvp-21).no insertion is required 4. Insert three bolts and tighten them evenly with hexagon wrench 5. Turn the pin clockwise to pierce the pipe

• Application: Compatible with 1/4 inch, 5/16 inch, and 3/8 inch outer diameter pipes; Replacement part number: AP4502525 BPV31D、GPV14、GPV31、GPV38、GPV56、MPV31； These HVAC maintenance valves are typically used for convenient access to vacuum, inflation, pressure checks, and other application systems.
• Universal retrofit valve: The retrofit valve can convert R-12 to R-134a air conditioning system, suitable for 7/16 inch low-pressure side ports; Suitable for vehicles before 1994, equipped with R-134a filling connector
• Installation method: Before installing the valve, ensure that the dedicated composite seal "O" ring is in the appropriate position. ① Use appropriate inserts to place the two halves of the valve on the pipeline Install three hexagon socket screws and tighten them evenly To pierce the pipeline, tighten the valve stem clockwise with a hex wrench. The compact design only requires a 2-inch gap area for installation and use (note: clean the pipeline before puncture to prevent debris from entering the refrigerant pipeline)
• Testing or inflation: Remove the cover, connect the inflation hose to open the valve, and use a hex wrench to turn the valve stem counterclockwise. Before disconnecting the hose, ensure that the valve is closed. Reinstall the cover to increase protection. The perforated valve of the refrigerator is easy to install and connect, and can be quickly started
• Material: Made of zinc alloy, sturdy, durable, corrosion-resistant, it is a high-quality substitute component that will not wear or rust over time; Includes 1 puncture valve, 1 hex wrench, 1 adapter, and 1 universal retrofit valve with dust cover to meet your daily refrigerator maintenance needs