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142 | Sempell Model 142 High Pressure Water Control Valve | Fisher
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Details for 142
Sempell Model 142 High Pressure Water Control Valve
Specially designed low-maintenance control valves for a wide range of applications in water circulation.
- Modular design.
- The valve is suitable for continuous operation.
- Good adjustment to the task by narrowly staged Cv–value–series and large control ratio.
- Trims can be changed easily while valve is welded into pipe.
- Different plug types available.
- Minimized wear and tear through separation of sealing and control area at high Δp.
- Different actuator types can be used.
- With low–friction PTFE packing at design temperatures ≤ 480°F.
- Resistant for standard pickling process.
- The stem nut can be re–lubricated during operation.
- Thermal expansion by high temperature differences at stem will be balanced by cup spring in yoke head.
Specifications
| Item Number | 142 |
| Brand | Fisher |
| Body material: | A105 |
| Characteristic: | Equal percent (square; linear on request) |
| Control ratio: | Standard 1:40 |
| Leakage class: | ANSI / FCI 70–2 class V DIN EN 12266–2 class B |
| Plug design: | A–type – parabolic Flow To Close (FTC) |
| Pressure class: | Class 3000 |
| Sealing seat/plug: | Metallic |
| Series | Sempell Model 142 High Pressure Water Control Valve |
| Size: | 1" – 6" |
| Stem sealing: | PTFE (up to 480°F); pure graphite |
| Trim material: | Stem 1.4057 / 1.4122 (17% Cr steel) |
| Type | Control Valve |
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