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Single plate check valve

Features: Size: 2”~20”
Pressure Rating: PN10~PN40
Material: SS304, SS316
Design Standard: Appropriate standard
Application medium: Water, Oil, Chemical
Application Temperature: -20~400 °C
Applied projects: Petroleum, Electricity, Metallurgy, Water, Sewage, Energy, Construction

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The wafer flange clamped butterfly check valve is a energy-save product.It is manufactured based the foreign advanced technology and in accordance with relative international standards.

This product is featured by excellent retaining per-formance,high safety and reliability and low flow resistance.It is suitable for systems in the industries of petrochemical food processing,medicine,textile,paper-making.Water,supply,drainage,metallurgy,energy,and light industry,etc,used as a check valve in one way.

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Pressure level	DN	Measurement(mm)						Weight(kg)
Pressure level	DN	L	D	D2	D3	D4	D5	Weight(kg)
PN10	15	22	52	15	24	31	40	0.12
	20	24	62	19	30	40	50	0.24
	25	28	72	24	36	47	58	0.34
	32	28	83	31	45	56	68	0.53
	40	31.5	93	39	55	66	78	0.8
	50	40	108	48	65	78	90	1.2
	65	46	128	62	80	95	110	1.8
	80	50	142	76	95	110	128	2.2
	100	60	162	95	115	135	150	3.4
	125	90	192	110	125	132		9
	150	106	218	127	150	158		14
	200	140	273	165	200	208		24
PN16	15	22	52	15	24	31	40	0.12
	20	24	62	19	30	40	50	0.24
	25	28	72	24	36	47	58	0.34
	32	28	83	31	46	56	68	0.53
	40	31.5	93	39	55	66	78	0.8
	50	40	108	48	65	78	90	1.2
	65	46	128	62	80	95	110	1.8
	80	50	142	76	95	110	128	2.2
	100	60	162	95	115	135	150	3.4
	125	90	192	110	125	132		9
	150	106	218	127	150	158		14
	200	140	273	165	200	208		24
PN25	15	22	52	15	24	31	40	0.12
	20	24	62	19	30	40	50	0.24
	25	28	72	24	36	47	58	0.34
	32	28	83	31	46	56	68	0.53
	40	31.5	93	39	55	66	78	0.8
	50	40	108	48	65	78	90	1.2
	65	46	128	62	80	95	110	1.8
	80	50	142	76	96	110	128	2.2
	100	60	168	95	115	135	150	3.8
	125	90	194	110	125	132		9.2
	150	106	224	127	150	158		15
	200	140	284	165	200	208		26
PN40	15	22	52	15	24	31	40	0.12
	20	24	62	19	30	40	50	0.24
	25	28	72	24	36	47	58	0.34
	32	28	83	31	46	56	68	0.53
	40	31.5	93	39	55	66	78	0.8
	50	40	108	48	65	78	90	1.2
	65	46	128	62	80	95	110	1.8
	80	50	142	76	96	110	128	2.2
	100	60	168	95	115	135	150	3.8
	125	90	194	110	125	132		9.2
	150	106	224	127	150	158		15

WESDOM Advantages

1.WESDOM patent products, patent certification

The product side flanges comply with national, German, Russian, American, British and Japanese standards and other domestic and international standards for multiple pressures, easy connection and wide adaptability, which can reduce the type of purchase and stock.

2.The product has an independent identity to ensure traceability

Each wesdom product has its own unique identification number, to ensure product traceability.

3.Provide material inspection report

All wesdom products can provide the material inspection report of the main parts.

4.One-stop service

One-stop service, we not only supply high quality products, also supply solutions and after-sales service.

5.WESDOM has a lot of project experience

We have a lot of project experience in countries such as Pakistan and the Philippines, WESDOM has always been noticed all over the world, and trust comes from quality.

6. WESDOM has a strict quality control system

WESDOM has a strict quality control system and before delivery, we test 100% of each product to ensure its quality, promising you a high quality product.

Quality Control Process

Standards&Features:

1.Small in size,light in weight,compact in structure,easy in maintenance.

2.Two torsion springs are used excerting on each of the pair valve plates.Which close the plates quickly and automatically.

3.The quick-close action prevents the medium from flowing back and eliminates water-hammer effect.

4.This valve is short in length,so that it is rigid and easy to mount.

5.It is easy to install on pipeline which is laid horizontally or vertically.

6.This valve is tightly sealed without leakage under the pressure water test.

7.Safe and reliable in operation,high interference-resistance.

Main Part Material	Body	WCB(A105)	ZG1Cr18Ni9Ti	CF8(304)	CF3(304L)	ZG1Cr18Ni2Mo2Ti	ZG1Cr18Ni2Mo2Ti	CF3M(316L)
	Disc	2Cr13	1Cr18Ni9	oCr18Ni9	ooCr19Ni10	1Cr18NiMo2Ti	1Cr18NiMo2Ti	ooCr17Ni14Mo2
	Seal ring	2Cr13	1Cr18Ni9	oCr18Ni9	ooCr19Ni10	1Cr18Ni12Mo2Ti	1Cr18Ni12Mo2Ti	ooCr17Ni14Mo2
	Spring	oCr18Ni9	oCr18Ni9	oCr18Ni9	ooCr19Ni10	00Cr18Ni12Mo2Ti	00Cr18Ni12Mo2Ti	ooCr17Ni14Mo2
Applicable condition	Suitable medium	water,vapour,oil	Nitric acid		Strong oxidizing medium	Acetic acid		Urea
Applicable condition	Suitable temperature	-29℃～425℃	-196℃～540℃		-196℃～425℃	-196℃～540℃		-196℃～455℃

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