Specification of Flange Butterfly Valves
Details Specification for Wafer & Lug Butterfly Valve |
The valve is ideal for throttling or shutting off the flow of corrosive or incorrosive gases, liquids, semiliquids and solid powder, and can be installed in pipelines or on vessels in the industries of petroleum processing, chemicals, food, medicine, textile, paper amking, hydroelectricity engineering, ship building, water supply and sewage, metallurgy, energy engineering as well as light industry etc.
- Small in size and light in weight. Easy installation and maintenance. It can be mounted wherever needed.
- Simple and compact construction, quick 90 degrees on-off operation.Minimized operating torque, energy saving.
- Long service life. Standing the test of tens of thousands operning/closing operations.
- Bubbles-tight sealing with no leakage under the pressure test.
- Wide selection of materials, applicable for various medium.
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| Construction Drawing: |
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for B2000,B300Series |
For B100,B4000Series |
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1- Body
- All four series' face to face dimensions can meet requirements of GB 12238 BS5155 API609, MSS SP-76, DIN 3202-K1 (ISO 5762 T5)
- Mainly have two types according to construction of assorting with Seat, just like above drawing
- Other: B2000 & B300, B1000 & B4000 also have difference with size of A & B, please refer to separately Dimensions' drawing.
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3- Disc
- From Construction points to meet Shat, have two types: For one piece throughout Shaft Model (Pin Disc -DD); the other is for two pieces Shaft Model ( Pinless DIsc-TD type ).
- Both two Models can be assembled with B1000, B2000, B3000, B4000 Series Wafer type & Lug type Butterfly Valves
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4- Shaft
- From Construction points to meet Disc, have two types: one is one Piece throughout Shaft ( with one or two pins to strengthen shaft, Disc & Body); ther othe is two pieces Shaft (Pinless Disc)
- Both two Models can be assembled with B1000, B2000, B3000, B4000 Series Wafer type & Lug type Butterfly Valves
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Technical Data |
| Norminal Diameter |
50(2")-2000(80") |
50(2")-1000(40") |
40(1-1/2")-2000(80") |
| Norminal Pressure |
1.0MPa |
1.6MPa |
0.6MPa |
| Test Pressure |
Shell |
1.5MPa |
2.4MPa |
0.9MPa |
| Sealling |
1.1MPa |
1.76MPa |
0.66MPa |
| Working Temperature |
-15℃------+150℃ |
| Suitable Mediums |
Fresh/Sewage/Sea Water, Gas, Vapore, Food,
Medicine,Oils,Acids,Alkalis Salts, etc. |
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กกกก.
กก |
Butterfly Valve
 Flange Butterfly Valve Overview
Soft Sealing
BV-FSSS
BV-FSSL
BV-FSDS
BV-FSDL
Hard Sealing
BV-FHSE
BV-FHDE
BV-FHTE
Specification
Demensions
Actuator
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