Product Description Model NO.: H41Y Connection Form: Flange Pressure: Ordinary Pressure Flow Direction: Bidirectional Application: Industrial Usage, Water Industrial Usage, Household Usage Design & Manufacture: API 594, API 6D, Asme B16.34 Face to Face: API 594 Inspect & Test: API 598 Certificate 2: ISO9001:2008 Certificate 4: API 600 Specification: API, ANSI, ASME, DIN, JIS, GB etc. HS Code: 84818010 Material: Cast Steel Structure: Swing Function: Ddcv Double Lobe, Nrvr Silence, Sfcv Rubber Lobe, Nrvz Silence, Nrvg Silence Standard: DIN Characteristic: Dual Plate Check Valve Pre-Temp. Rating: Asme B16.34 Ends Connection: RF Certificate 1: Dnv CE 0575 Certificate 3: API 6D Trademark: VATAC or OEM Origin: China ANSI Cl150#/Cl300# Wafer/Lug/RF Dual Plate Check Valve Conform to API 594, API 6D, and ASME B16.34.  They are tested according to API 598, and marked as per MSS SP-25  

Construction is as follows:  

- Dual Plate

- With Spring

- Round, Full Lug or Double Flange

- Soft or Metal Seated

- Retainer or Retainer Less Design

- Wafer Ends to Suit for Flanged Ends(ASME B16.5 and B16.47 A/B)

 
Main Part & Materials 

Part Names	Part Materials
Body	WCB	LCB	WC6	CF8	CF8M	CF3	CF3M	C83600/C95800
Bonnet	WCB	LCB	WC6	CF8	CF8M	CF3	CF3M	C83600/C95800
Disc/Ball/Wedge	WCB	LCB	WC6	CF8	CF8M	CF3	CF3M	C83600/C95800
Seat/Seat Ring	13%Cr	SS304	13%Cr	SS304	SS316	SS304L	SS316L	C83600/C95800
	PTFE/NBR/EPDM/VITON
Packing	Graphite/PTFE
Gasket	SS304+Graphite/SS304+Graphite
Bolts/Nuts	B7/2H	L7/4	B16/4	B8/8	B8M/8M	B8/8	B8M/8M	B8M/8M
Suitable Medium	W.O.G etc.			HNO3, CH3OOH etc.				Sea Water etc.
Suitable Temperature	-29~425 °C	-46~340 °C	-46~340 °C	-196~427 °C	-196~427 °C	-196~427 °C	-196~427 °C	-29~220 °C

 
Normal Pressure Rating
PN10~PN420, CLASS150~2500

Normal Size Range
DN40~DN1000, 1 1/2"~40" 

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Product Categories : Wafer Check Valve > Dual Plate Check Valve