Flanged Ends Butterfly Valve Gear Operated

• Customization: Available
• Driving Mode: Manual
• Connection Form: Flange
• Structure: Single-Eccentric Sealing
• Seal Form: Force Sealed
• Valve Stem: Normal
• Work Pressure: Low Pressure (Pn<1.6mpa)
• Working Temperature: Medium Temperature (120°C<T<450°C)
• Material of Seal Surface: Soft Sealed
• Application: Industrial Usage, Water Industrial Usage, Household Usage
• Characteristic: Wafer High Performance Butterfly Valve
• Design & Manufacture: API 509
• Pre-Temp. Rating: ASME B16.34
• Face to Face: API 509
• Ends Connection: Wafer, Lug or Flanged
• 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 or OEM
• Origin: China
• HS Code: 84818010
• Production Capacity: 8000ton Per Year

Product Description

Cast Steel A216 WCB Wafer High Performance Butterfly Valve  Conform to API 509, They are tested according to API 598, and marked as per MSS SP-25

1.Construction is as follows:  

- Double or Triple Eccentric

- Single Type Body

- Renewable Sealing Ring

- Fire Safe Design

- Anti-static Design

- Uni-direction or Bi-direction

- Butt Weld Ends to ASME B16.25

- Flanged Ends to ASME B16.5

- Wafer or Lug Suit to Flanged(ASME B16.5 or B16.47)
 

2.Main Part & Materials 

Part Names	Part Materials
Body	WCB	LCB	WC6	CF8	CF8M	CF3	CF3M
Disc	WCB	LCB	WC6	CF8	CF8M	CF3	CF3M
Stem	F6a	F304	F6a	F304	F316	F304L	F316L
Seat/Seat Ring	PTFE/RPTFE/NYLON/DEVLON/PEEK or METAL
Packing	Graphite/PTFE
Gasket	SS304+Graphite/SS304+Graphite
Bolts/Nuts	B7/2H	L7/4	B16/4	B8/8	B8M/8M	B8/8	B8M/8M
Suitable Medium	W.O.G etc.			HNO3, CH3OOH etc.
Suitable Temperature	-29~425 °C	-46~340 °C	-46~340 °C	-196~427 °C	-196~427 °C	-196~427 °C	-196~427 °C

3.OUR ADVANTAGE      
Normal Pressure Rating
PN10~PN64, CLASS150~600    

4.Normal Size Range
DN50~DN1800, 2"~72"