API 6D Cast Steel Tilting Disc Wafer Check Valve

• Material: Cast Steel
• Connection Form: Wafer
• Structure: Wafer
• Pressure: 150lb-600lb
• Function: Ddcv Double Lobe, Nrvr Silence, Sfcv Rubber Lobe, Nrvz Silence, Nrvg Silence
• Sealing Form: Metal
• Model NO.: H71
• Flow Direction: Unidirection
• Standard: ANSI
• Application: Industrial Usage, Water Industrial Usage, Household Usage
• Characteristic: Tilting Disc Check Valve
• Design & Manufacture: API 594, API 6D, ASME B16.34
• Pre-Temp. Rating: ASME B16.34
• Face to Face: API 594
• Ends Connection: ASME B16.5/16.47
• Inspect & Test: API 598
• Certificate 1: Dnv CE 0575
• Certificate 2: ISO 9001: 2008
• Transport Package: Sea Worthy
• Specification: API, ANSI, ASME, DIN, JIS, GB etc.
• Trademark: VATAC or OEM
• Origin: China
• HS Code: 8481804090
• Production Capacity: 65000 T Per Year

Product Description

Cast Steel Tilting Disc Wafer Check Valve
Conform to API 6D, and ASME B16.34.  They are tested according to API 598, and marked as per MSS SP-25
 
Construction is as follows:  

- Tilting Disc

- With Spring

- Small Flow Resistance

- 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"