Flanged High Performance Hydraulic Counterweight Butterfly Valve

• Customization: Available
• Driving Mode: Manual
• Connection Form: Flange
• Model NO.: D973H
• Structure: Three-Eccentric Sealing
• Seal Form: Auto Sealed
• Work Pressure: Mid-Pressure (2.5mpa< Pn <6.4mpa)
• Working Temperature: Normal Temperature (-40°C<T<120°C)
• Material of Seal Surface: Metal Hard Sealed
• Application: Industrial Usage, Water Industrial Usage, Household Usage
• Characteristic: Flanged Butterfly Valve
• Design & Manufacture: API 509
• Pre-Temp. Rating: Asme B16.34
• Face to Face: API 509
• Ends Connection: RF
• 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, ISO, BS, JIS
• Trademark: Vatac/OEM
• Origin: China
• HS Code: 848180
• Production Capacity: 1000PCS/YEAR

Product Description

Flanged High Performance Hydraulic Counterweight Butterfly Valve
Conform to BS1868, API 6D, ASME B16.34,  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. Normal Pressure Rating
PN10~PN64, CLASS150~600

4. Normal Size Range
DN50~DN750, 2"~30"