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Home » Products » Check Valve » Swing Check Valve

Swing check Valve with Counter Weight

【Size Range】: DN40-DN400

【Pressure】: PN16

【Body Materials】: Ductile Iron

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ADVANTAGES

Swing check valve is dependent on the flow of the medium itself and automatically open and close, It is prevent the backflow of the medium , also known as check valve,one way valve, reflux valve,backpressure vale.

Specification：Body：DI Disc：DI Seat：Brass Lever：DI；

Application : Municipal construction, Power,Water supply, Petroleum industry;

Product Advantages

1. QT450-10 valve body, level 3 Spheroidization rate, tensile strength over 450Mpa, elongation over 10%. not easy to crack or freeze.

2.250μm thickness epoxy coating. It is prevent corrode and rust.

3.Heavy type valve body.

4.Cr13 seat, better wear-resisting and sealing performance.

5.Each valve will be inspected for shell and seal pressure before leaving factory.

PARAMETER INFORMATION

Name		Face to face length	Pressure Test
Reference standard		DIN 3202	DIN EN 1092-2	DIN EN 12266

Name	1-Body	3-Disc	2-Seat	17-Counter Weight
Material	DI	DI	Brass/SS/Rubber	DI

DN	NPS	L	φD	φD1	φD2	b	Z-d
40	1 1/2''	180	150	110	84	18	4-19
50	2''	200	165	125	99	20	4-19
65	2 1/2''	240	185	145	118	20	4-19
80	3''	260	200	160	132	22	8-19
100	4''	300	220	180	156	24	8-19
125	5''	350	250	210	184	26	8-19
150	6''	400	285	240	211	26	8-23
200	8''	500	340	295	266	30	12-23
250	10''	600	405	355	319	32	12-28
300	12''	700	460	410	370	32	12-28
350	14''	800	520	470	429	36	16-28
400	16''	900	580	525	480	38	16-31