Dual Plate Non Return Valve, Flange, Wafer, Lug

• Customization: Available
• Media: Water
• Temperature: Ordinary Temperature
• Material: Cast Steel
• Connection Form: Wafer
• Structure: Swing
• Pressure: Low Pressure
• Function: Ddcv Double Lobe, Nrvr Silence, Nrvz Silence
• Sealing Form: Bellows Globe Valve
• Flow Direction: Unidirection
• Standard: ANSI
• Application: Industrial Usage, Water Industrial Usage, Household Usage
• Characteristic: Swing Wafer 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
• Certificate 3: API 600
• Certificate 4: API 6D
• Transport Package: Sea Worthy
• Specification: API, ANSI, Asme, DIN, JIS, GB etc.
• Trademark: VATAC
• Origin: China
• HS Code: 84818010
• Production Capacity: 6000ton Per Year

Product Description

Features & Specifications

Standards Compliance: ASME B16.34, API 594, API6D

Construction: Spring Loaded

Face to Face Dimension: API 594, API6D

Inspect & Test: API 598/6D

Size Range: 2" to 60"N. B

Pressure Ratings: ANSI150, 300, 600, 900 & 1500

Materials Available in: WCB, LCB, CF8, CF8M, CF3, CF3M, WC6, WC9,
C5, C12 or Equivalent, Available also in low temperature steels, low alloy steels, stainless steels, duplex type stainless steels and other exotic materials; Various trim materials available to suit service conditions

To MR 0175 Upon Request
 

Main Part & Materials
Part Names	Part Materials
Body	WCB/A105	LCB/LF2	WC6/F22	CF8/F304	CF8M/F316	CF3/F304L	CF3M/F316L	C83600/C95800
Bonnet	WCB/A105	LCB/LF2	WC6/F22	CF8/F304	CF8M/F316	CF3/F304L	CF3M/F316L	C83600/C95800
Disc/Ball/Wedge	WCB/A105	LCB/LF2	WC6/F22	CF8/F304	CF8M/F316	CF3/F304L	CF3M/F316L	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