Foster , 3 SERIES SOCKET, 1/4″SS/STEAM/BALL LOCK , Industrial Interchange Hose Couplings ( 1/4 ” Flow, One Way Shut-Off ) , Ball Lock Manual Socket (Male Pipe Thread) , 1/4″ NPT

Standard Industrial interchange design, most widely used in industry. 3 and 5 series automatic water service comply with A-A-59439 ( formerly MIL-C-4109F ). 3-4-5-6 Series meet ISO 6150-B, ANSI ( NFPA)T3.20.14-1990. In addition, SV sockets meet ISO 4414. Sockets are normally supplied with a Buna-N compound. Other seal are available. Ethylene Propylene seals are available for steam. Viton seals are avialble for heat. BL series is an optional feature availble on manual sockets. After connection the sleeve is rotated locking the coupler against accidental discharge. The following are .pdf’s for: Specifications and Layouts – Industrial Interchange and Non Standard Interchange : Fluid Compatability Guide for Quick Disconnect Hose ; 1/4″ Industrial Interchange Hose Couplings Catalogue.