Cast Iron Gear Wafer Butterfly Valve for Fire Fighting

Model NO.: DN40-DN300
Working Temperature: Normal Temperature (-40°C<T<120°C)
Material of Seal Surface: Soft Sealed
Valve Body: Casting
Application: Industrial Usage, Water Industrial Usage, Household Usage
Disc: Ductile Iron/Stainless Steel
Body: Ductile Iron
Spindle: Stainless Steel
Coating: Epoxy Coated
Pressure Rate: Pn10/16
Trademark: None/OEM
Transport Package: Standard Export Package
Specification: DN40-DN600
Origin: Fujian
HS Code: 8481801090
Cast Iron Non-Rising Resilient Seat Gate Valve

Introduction
A butterfly valve is a valve which can be used for isolating or regulating flow. The closing mechanism takes the form of a disk. Operation is similar to that of a ball valve, which allows for quick shut off. Butterfly valves are generally favored because they are lower in cost to other valve designs as well as being lighter in weight, meaning less support is required. The disc is positioned in the center of the pipe, passing through the disc is a rod connected to an actuator on the outside of the valve. Rotating the actuator turns the disc either parallel or perpendicular to the flow. Unlike a ball valve, the disc is always present within the flow, therefore a pressure drop is always induced in the flow, regardless of valve position.

Specification
Cast Iron Gear Wafer Butterfly Valve for Fire Fighting


Materials of major parts
No. Part Material
1 Body Ductile Iron
2 Disc DI/SS/Bronze
3 Stem SS304/316
4 O-ring EPDM/NBR/VITON
5 Seat EPDM/PTFE
6 Bushing PTFE/Bronzel
7 Hand Wheel Cast Iron
8 Worm Gear Cast Iron

Dimensioons(mm)
DN L L1 Φ H1 H2 H3 N Φ3
40 42 250 110 66.5 142 26 4 18
50 42.3 260 125 66.5 142 26 4 18
65 43.3 280 145 74.1 151 26 4 18
80 45.6 284 160 94 161 26 4 18
100 50.6 357 180 110.8 181 26 4 18
125 53.6 374 210 128.8 191 28 4 18
150 54.4 374 240 140.5 204 28 4 22
200 59.6 384 295 172.5 238 29 4 22
250 65.4 384 350 206.2 268 29 4 22/26
300 75 537 400 235.8 306 30 4 22/26
 
Photoes
Cast Iron Gear Wafer Butterfly Valve for Fire Fighting

Other Fire Fighting Equipment
Cast Iron Gear Wafer Butterfly Valve for Fire Fighting

 

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