• When the Cupla is disconnected, the pressure left in the plug side hose is released gradually without unpleasant popping noise and hose whip motion.
• Unique design of air purge system enables the residual pressure release quickly and quietly.
• A unique but simple purge valve design is good for long and repeated use.
• The function is assured even under a high supply pressure or with a long hose.
Note: This product is not a check valve to totally stop the air flow.
