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Small Double Disc Wafer Check Valve DN50-DN1000 Size Dual Disk Check Valve

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SuZhou YouWei Fluid Technology CO., LTD

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Place of Origin : China

Brand Name : Youwei Fluid

Certification : Quality system certificate

MOQ : 1

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Product Features

Small size and low installation space requirements;

Close quickly and move sensitively;

Spring-loaded valve discs with guaranteed closure;

Optional soft seal design;

Pin shaft with built-in structure, no external leakage points.

Technical Parameters

Technical Parameters

Nominal Size	2"~40"(DN50-DN1000)
Nominal Pressure	ASME 150 to 1500LB
Applicable Temperature	-196℃~800℃
Body Material	WCB, CF8, CF8M, CF3, CF3M, LCB, 2205 Etc.
Design Standard	API 6D, API 594, BS1868, ASME B16.34
Pressure-Temperature Rating	ANSI B16.34
Face To Face	ANSI B16.10
End Connection	Flanged Ends to ASME B16.5, Butt-weld Ends to ASME B16.25
Inspection And Test	API 598
Mark	MSS SP-25

Material List

NO.	Parts name	Standard material	Low temperature environment	Stainless steel material	Hign temperature environment	Acidic environment
1	Body	ASTM A216-WCB+STL.6	ASTM A351-CF8M+STL.6	ASTM A352-LCC+STL.6	ASTM A217-WC9+STL.6	ASTM A216-WCB+STL.6
2	Clack	ASTM A216-WCB+Cr13	ASTM A351-CF8M	ASTM A352-LCC+316	ASTM A217-WC9+STL.6	ASTM A216-WCB+Cr13(NACE)
3	Pin	ASTM A276-410	ASTM A276-316	ASTM A276-316	ASTM A276-410	ASTM A276-410(NACE)
4	Spring	Inconel X-750	Inconel X-750	Inconel X-750	Inconel X-750	Inconel X-750
5	Spring seat	ASTM A182-F6a	ASTM A182-F316	ASTM A182-F316	ASTM A182-F6a	ASTM A182-F6a(NACE)
6	Spacer ring	ASTM A182-F6a	ASTM A182-F316	ASTM A182-F316	ASTM A182-F6a	ASTM A182-F6a(NACE)
7	Lifting lug	Carbon steel	Carbon steel	Carbon steel	Carbon steel	Carbon steel

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Small Double Disc Wafer Check Valve

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