Foster one way shut off coupler specifications

	ONE WAY SHUT-OFF TYPE
	Specifications

How to Select - Proper coupler selection is important because of the variety of media for which they are used.

Type	One Way Shut-Off - Socket is valved, shutting off supply line at disconnect. Plug is unvalved, exhausting downstream line at disconnect. Install socket on pressure line.
Interchangeability	Standard industrial interchange design, most widely used in industry. 3 and 5 Series Automatic water service comply with MIL-C-4109F.
Operation	Manual, Automatic, & Safety
Working Pressure	300 PSIG; Vacuum to 26"Hg (connected)

Manual	Lowest cost, general purpose coupler Positive locking mechanism 65% more ball retention Precision leak-proof seal Heavy steel sleeve
Automatic	Long wearing pin type locking mechanism with greater plug contact. One piecee sleeve with rear crimp Precision leak-proof seal One hand operation
Safety	100% safety Connect and disconnect at "0" pressure Plug is securely locked before air is turned on Downstream line is exhausted before plug is released, completely eliminating hose whip Tested to 100,000 operations with no leakage Special lubrication eliminates dry breakaway Can be used as 3-Way on-off valve without disconnecting