OPW Vapor Poppeted Reconnect able Balance Breakaway. OPW 66CLP Balance Phase II Enhanced Vapor Recovery Reconnect able Breakaway has earned the reputation as the industry standard in preventing fuel vapors from escaping during a separation incident on balance systems. Its proven design minimizes downtime and allows all hose points to be put back in service as quickly and easily as possible after a separation event. The OPW 66CLP is also approved for VST Phase II Enhanced vapor recovery systems. Die-cast zinc body, impact modified nylon protective sleeves, Viton main seals, Stainless Steel Main Spring, Acetal Guide and Poppets.