Two-stage valving to protect critical sealing components during pressurized connection and disconnectionPosi-Lock valve system secures valving during surge-flow conditions to prevent high velocity damageNo-spill, flush face valve minimizes air inclusion during connection and spillage during disconnectionThreaded design eliminates premature wear or brinelling commonly found with locking ball designs when subjected to high-impulse pressuresMachined components are manufactured using solid high-strength steel bar stockStainless steel retaining rings and springs maximize corrosion resistance and extend service lifeSteel componentry is plated using RoHS compliant zinc nickel for superior corrosion resistanceValve stems have molded polyurethane seals, with a temperature range of -65 to 212 deg FAncillary coupler seals are nitrile (Buna-N), with a temperature range of -40 to 250 deg FTPC-ET anti-extrusion ring protects main coupling valve seal from dynamic impulse pressure damageInterchangeable with Stucchi VEP-P/VEP-HD Series, DNP PST4/FSI Series, Voswinkel FT Series, Parker FET Series and Holmbury HFT Series