Flanged Concentric Butterfly Valve with Gear Operator

• Connection Form: Flange
• Structure: Centre Sealing
• Seal Form: Force Sealed
• Work Pressure: Low Pressure (Pn<1.6mpa)
• Working Temperature: Normal Temperature (-40°C<T<120°C)
• Material of Seal Surface: Soft Sealed
• Model NO.: TFW
• Application: Industrial Usage, Water Industrial Usage
• Size: Dn50-Dn1200
• Material: Cast Iron, Ductile Iron, Carbon Steel
• Transport Package: Plywood Case
• Specification: CE
• Trademark: TFW
• Origin: Tianjin China
• HS Code: 84818040
• Production Capacity: 5000PCS Per Month

Product Description

Double Flanged Butterfly Valve
Body:Ductile iron/SS316/304/WCB etc
Disc: Ductile iron/SS316/305/Aluminum-bronze etc
Stem:SS416/420 etc
Seat:EPDM,NBR,VITON
Painting:Expoxy paint
Methods of operation: Gear wheel/Electric actuator
Size:50-1200mm
Pressure:PN1.0/1.6MPa
Medium:Water/Sea water/Wash water/Oil
Temperature Range:-45-+135

Features:
Novel and reasonable design,special structure,light, Easy instllation and mintenance.It can be mounted wherever needed.
Tiny operative moment,quick 90 degrees on-off operation.
Miniminzed operating torque,energy saving.
Flow curve tending to straight line.Excellent regulation performance.
Long servie life.Standing the test of tens of thousands opening/closing operation.
Bubbles-tight sealing with no leakage under the pressure test.
Wide selection of materials, applicable for various medeium.

 

STANDARD MATERIAL OF MAIN PARTS
NO.	PART	MATERIAL
1	Body	Cast Iron, Ductile Iron, Carbon Steel, Stainless Steel
2	Seat	NBR,EPDM, Viton,Neoprene,HYPALON,Silicon
3	Shaft	Stainless Steel416,316,304
4	Disc	Ductile Iron+Ni,CF8,CF8M,Bronze
5	Pin	Stainless Steel
6	Bushing	PTFE,Bronze
7	O-Ring	NBR,EPDM