Stainless Steel Connection Technology
Fittings, Couplings, Pipes and Valves

wwNon Return Valves

w w sf 500

sf 550 Non Return Valve	sf 551 G, sf 552 M Non Return Valve	sf 553, sf 554 Non Return Valve	sf 556 Non Return Ball Valve
		Function (Flash Animation) Non Return Valves
sf 556 G Non Return Valve

Compression Fittings Non-Return Valves Couplings 24° Male Stud Couplings Bulkhead Couplings Weld Nipples Female Stud Couplings Pressure Gauge Couplings Reducers Non Return Valves Rotary Fittings Adjustable Couplings Throttlefree Couplings, Additional Components LL-Couplings Back to Product Overview Non Return Valves sf non return valves close the through flow in one direction (the return) and allow an almost unrestricted flow in the other direction (the flow). As long as the flow pressure is greater than the return pressure, the valve remains open (providing there is sufficient pressure acting against the spring). If the return pressure exceeds the flow pressure, the valve is pressed against the seat, thus closing the flow. Simply ask us

wwRotary Fittings

sf 560 Straight Rotary Fitting	sf 561 90° Rotary Fitting	sf 561 G 90° Rotary Fitting	sf 562 90° Rotary Fitting

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