Silencing check valve Double door wafer check valve

Short Description:

The check valve is an automatic valve, which is mainly used on the pipeline with one-way flow of medium. The medium is only allowed to flow in one direction to prevent accidents.

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Silencing check valve

Nominal diameter (mm)		Working pressure	Size(mm)
Inch	mm	PN	L	D	D1	D2	C	n-φd
2”	50	10/16	125	165	125	99	19	4-φ19
2 1/2”	65	10/16	145	185	145	118	19	4-φ19
3”	80	10/16	155	200	160	132	19	8-φ19
4”	100	10/16	165	220	180	156	19	8-φ19
5”	125	10/16	180	250	210	184	19	8-φ19
6”	150	10/16	210	285	240	211	19	8-φ23
8”	200	10	250	340	295	266	20	8-φ23
8”	200	16	250	340	295	266	20	12-φ2

Double door wafer check valve

Nominal diameter (mm)		Working pressure	Size(mm)
Inch	mm	PN	L	D	D1	D2	R	t
2”	50	10/16	43	107	165	43.3	28.2	4-φ19
2 1/2”	65	10/16	46	127	80	60.2	36.1	4-φ19
3”	80	10/16	64	142	94	66.4	43.4	8-φ19
4”	100	10/16	64	162	117	90.8	52.8	8-φ19
5”	125	10/16	70	192	145	116.9	65.7	8-φ19
6”	150	10/16	76	218	170	144.6	78.6	8-φ23
8”	200	10/16	89	273	224	198.2	104.4	8-φ23

What is check valve?

The valve whose opening and closing parts open or close by the force of medium flow to prevent medium backflow is called check valve. The check valve is an automatic valve, which is mainly used on the pipeline with one-way flow of medium. The medium is only allowed to flow in one direction to prevent accidents.Usually, this kind of valve works automatically. Under the action of fluid pressure flowing in one direction, the valve disc opens; When the fluid flows in the opposite direction, the fluid pressure and the self weight of the valve disc act on the valve seat, so as to cut off the flow.

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