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Product Specifications:
| Item | Pneumatic Control Valve |
| Actuator Return Action | Spring Return |
| Actuator Type | Pneumatic |
| Application | Chilled/Hot Water Control |
| Body Material | Brass |
| Close Off Pressure | 45 psi |
| Cv | 4 |
| Differential Pressure | 25 psi |
| Function | Hot, Chilled Water Valve |
| Height | 4" |
| Included Actuator | Actuator Included |
| Max. Actuator Control Pressure | 8 psi |
| Max. Fluid Temp. | 250°F |
| Max. Operating Temp. | 250°F |
| Max. Pressure | 250 psi |
| Min. Actuator Control Pressure | 3 psi |
| Min. Fluid Temp. | 35°F |
| Min. Operating Temp. | 35°F |
| No. Of Ways | 2 |
| Overall Depth | 4" |
| Overall Width | 2" |
| Port Connection Gender | Female |
| Port Connection Size | 1/2" |
| Port Connection Type | NPT |
| Spring Action | Spring Return |
| Stem Material | Stainless Steel |
| Type | Globe Screwed |
| Valve Action | Normally Open |
| Width | 4" |
Shipping Info:
| Ship weight (kg) | 0.78 |
| Ship height (cm) | 22.86 |
| Ship length (cm) | 16.26 |
| Ship width (cm) | 12.45 |
| HS code | 8481809020 |
| Country of Origin | US |
Product Details:
- Body Pressure Rating (PSI) (250)
- Close Off Rating @ Main PSI (45 @ 20)
- Max. Controlled Medium Temp. (F) (250)
- Max. Safe Air PSI (30)
- Pipe (In.) (1/2 NPT)
- Spring Range (PSI) (3-8)
- Valve Body Material (Bronze)
Product Variants
| Model | Max. Pressure | Port Connection Size | Max. Actuator Control Pressure | Min. Actuator Control Pressure | Close Off Pressure | No. Of Ways | Cv | Function | Price | |
|---|---|---|---|---|---|---|---|---|---|---|
| 256-02008 | 15 psi | 1/2" | 15 psi | 10 psi | 50 psi | 2 | 2.5 | Used To Provide Pneumatic Proportional Control Of Water, Steam And Ethylene Glycol Solutions (Up To 50 Percent) | €225.26 | |
| 257-02038 | 15 psi | 1/2" | 8 psi | 3 psi | 45 psi | 2 | 2.5 | Used To Provide Pneumatic Proportional Control Of Water, Steam And Ethylene Glycol Solutions (Up To 50 Percent) | €224.23 | |
| 257-02044 | 15 psi | 3/4" | 8 psi | 3 psi | 35 psi | 2 | 6.3 | Used To Provide Pneumatic Proportional Control Of Water, Steam And Ethylene Glycol Solutions (Up To 50 Percent) | €248.72 | |
| 258-02069 | 15 psi | 1/2" | 13 psi | 8 psi | 50 psi | 3 | 4 | Used To Provide Pneumatic Proportional Control Of Water, Steam And Ethylene Glycol Solutions (Up To 50 Percent) | €243.94 |
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SIEMENS 257-02041 Valve And Actuator Pneumatic Pipe 1/2 In
€233.61 /unit
