Reasonable price Gate Valve Class150# - Wafer disc check valve H74X/H – Like Valve

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Reasonable price Gate Valve Class150# - Wafer disc check valve H74X/H – Like Valve Detail:

The double-clip disc check valves are single-disc swing check valves with double-clip connection. They are all ultra-thin check valves to prevent medium countercurrent in pipeline. The double-clip disc check valves of H74X and H74H have the advantages of simple structure, beautiful appearance, light weight and convenient installation. It is mainly suitable for water supply system, petroleum, chemical, metallurgical and other industrial sectors. It is most suitable for places with limited installation space. H74 series double-clip disc check valves are designed with double-clip connection, through single-disc swing type automatic valves, and stainless steel or Stelli surfacing can be used for the sealing surface of valve body and disc.

Technical data

PN(MPa) Nominal pressure	1.0	1.6	2.5	4.0
(MPa) Shell testing pressure	1.5	2.4	3.75	6.0
(MPa) Seal testing pressure	1.1	1.76	2.75	4.4
°C Suitable temperature	<400(Hard seal) <120(<250)(Soft seal)
Suitable mediums	Oil, water, acid and alkali liquid

Meterial of main parts

Part name	Valve body, valve disc	Seat ring
Meterial	Garbon steel, stainless steel, copper	NBR,EPDM,PTFE

Main Dimension

DN(mm)	d	L		D
DN(mm)	d	I	II	PN1.0MPa	PN1.6MPa	PN2.5MPa	PN4.0MPa
50	25	15	22	109	109	109	109
65	38	15	22	129	129	129	129
80	46	15	22	144	144	144	144
100	72	15	24	164	164	170	170
125	95	16	26	194	194	186	186
150	114	19	29	221	221	226	226
200	140	29	43	275	275	286	293
250	188	29	43	330	331	343	355
300	216	38	50	380	386	403	420
350	263	41	52	440	446	460	477
400	305	51	62	491	498	517	549
450	356	51	62	541	558	567	574
500	406	65	80	596	620	627	631
600	482	70	90	698	737	734	750