Full Lug Wafer Pneumatic Butterfly Valve

• Driving Mode: Pneumatic
• Connection Form: Wafer
• Structure: Double-Eccentric Sealing
• Seal Form: Auto Sealed
• Valve Stem: Normal
• Work Pressure: Mid-Pressure (2.5mpa< Pn <6.4mpa)
• Model NO.: D671
• Working Temperature: Medium Temperature (120°C<T<450°C)
• Material of Seal Surface: Metal Hard Sealed
• Valve Body: Casting
• Application: Industrial Usage, Water Industrial Usage, Household Usage
• Size: 2"-48"
• Pressure: 125lb~1500lb
• Certificate: API 600&6D, CE, ISO
• Characteristic: Pneumatic Butterfly Valve
• Design & Manufacture: API 609
• Pre-Temp. Rating: Asme B16.34
• Face to Face: API 609
• Ends Connection: Wafer, Lug or Flanged
• Inspect & Test: API 598
• Transport Package: Sea Worthy
• Specification: API, ANSI, ASME, DIN, JIS, GB etc.
• Trademark: VATAC/OEM
• Origin: China
• HS Code: 84818040
• Production Capacity: 8000ton Per Year

Product Description

Full Lug Wafer Pneumatic Butterfly Valve

Designed and Manufactured to BSEN593 and MSS SP-67 and API 609

Suitable to ANSI 125/150, BS4504, DIN wafers
Size Ranges: NPS 2"~52"

Pressure Rating: PN10/16, ANSI125/150/300/600/900

Materials available in Iron, Steel, Stainless Steel, Duplex and Bronze, Seat Material in Both Resilient and Metal Type, Different trim materials available to suit different service conditions

Fire-safe design to API 608/API 6FD upon request

To MSS SP 01-75 On request

Operations: Lever, Worm-gear, Electric, Pneumatic and Hydra-pneumatic

DESGN & MFT.	API 609	ENDS CONNECTION	FLG. RF
PRE-TEP. RATING	ASME B16.34	INSPECT & TEST	API 598
F-F DIMENSION	ANSI B16.10	END CONNECTION	ANSI B16.5
MARKING	MSS SP-25	FIRE SAFE DESIGN	--
PAITING	TBA	SPE. REQUIREMENTS	N.A

 

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