Model NO.: XDF
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
Fire fighting signal butterfly valveIntroduction
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
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 |
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Photoes
Other Fire Fighting Equipment
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Downhole motor is composed of five assemblies: by-pass assembly, anti-drop, power section assembly, Universal Shaft Assembly and bearing assembly. Each of these part is indispensable in Downhole Motors.
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