Check Valves Flanged End

Check ValvesFlanged End are used mostly to prevent the medium from flowing back in the piping system. Check valves only allow the medium to flow in one direction, and when the medium flows in, the disc of check valves swings off the seat to allow forward flow and when the flow stops, the disc swings back onto the seat to block reverse flow.

Check Valve Flange TypeEnd Technical Specifications

Class	Nominal diameter		Unit	Main connection dimension
	Inch	DN		L	D	D1	D2	b	z-∅d	H
150Lb (2.0Mpa)	2"	50	mm	203	152		92		4 - 19	161
	2-1/2"	65	mm	216	178		105		4 - 19	175
	3"	80	mm	241	190		127		4 - 19	190
	4"	100	mm	292	229		157		8 - 19	203
	5"	125	mm	330	254	216	186		8 - 22	229
	6"	150	mm	356	279		216		8 - 22	257
	8"	200	mm	495	343		270	29	8 - 22	292
	10"	250	mm	622	406	362	324		12 - 25.4	355
	12"	300	mm	698	483	432	381		12 - 25.4	398
	14"	250	mm	787	533		413		12 - 29	460
	16"	400	mm	864	597		470	37	16 - 29	495
	18"	450	mm	978	635	578	533		16 - 32	520
	20"	500	mm	978	698	635	584		20 - 32	590
	24"	600	mm	1295	813		692		20 - 35	650

Features and Benefits of Check Valves Flanged End

protect pumps and other equipment from damage caused by backflow

effective in preventing water hammer

lower maintenance costs; fewer moving parts

superior performance and reliability in a wide range of applications

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