API 594 Carbon Steel Quick Closed Type Axial Flow Check Valve

• Customization: Available
• Media: Water
• Temperature: Ordinary Temperature
• Material: Cast Steel
• Connection Form: Wafer
• Structure: Non-Slam
• Function: Ddcv Double Lobe, Nrvr Silence, Nrvz Silence, Nrvg Silence
• Sealing Form: Metal or Soft
• Flow Direction: Unidirection
• Standard: ANSI
• Application: Industrial Usage, Water Industrial Usage, Household Usage
• Characteristic: Axial Check Valve
• Design & Manufacture: API 6D, ASME B16.34, DIN 3202
• Pre-Temp. Rating: ASME B16.34
• Face to Face: ASME B16.10
• Ends Connection: ASME B16.25, 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 6D, BS1868, DIN3202, ISO
• Trademark: VATAC or OEM
• Origin: Zhejiang, China
• HS Code: 8481804090
• Production Capacity: 65000 PCS Per Year

Product Description

Product Description:

Pressure sealing cover, swing type disc
Threaded or welded seat ring
ASTM A216 WCB, A217 Wc6, A351 CF8, A351 CF8M,
A351 CF3, A351 CF3M, A351 CN7M
Standards compliance
Design and Manufacture: ANSIB16.34, API 6D, BS1868
Face to face(end to end): ANSIB16.10, API 6D
Flanged connection: 2~~24~to ANSIB16.5
Butt welded end: ANSIB16.25
Test and inspection: API 598, API 6D

A. Back up ring: Absorbs thrust applied by internal pressure.
B. Thrust ring: Pretects the soft metallic gasket from detemation.
C. Gasket Unique angutar design provides superior sealing.

 

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
Stem	F6a	F304	F6a	F304	F316	F304L	F316L	C83600/C95800
Seat/Seat Ring	13%Cr	SS304	13%Cr	SS304	SS316	SS304L	SS316L	C83600/C95800
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