EMW
Pneumatic Piston-Balanced Throttling Liquid Dump Valves use equal percentage trim for throttling control. The orientation of the trim is better for erosive service because the trim moves up out of the flow path.
Designed for liquid systems, and available in either pressure-opening (normally closed) or pressure-closing (normally open) configurations.
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Repairs & Maintenance
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We recently consolidated our regulator repair kits. Please see the related product notice for a full cross-reference table.
- Repair Kit: RUOD + Add to Quote
Product Applications
Product Charts
Tech Specs
| Type | Value |
|---|---|
| Connection Size: | 4 " |
| Connection Type: | 150 RF |
| Body Style: | Through Body |
| Body Material: | Cast Ductile |
| NACE MR0175: | Option Available |
| Trim Size: | 4 " |
| Trim Type: | Equal Percentage |
| Leakage Class: | Class VI |
| Process Fluid: | Liquid and Gas |
| Max Working Pressure: | 250 psig |
| Actuator Spring Nominal Pressure: | 35 psig |
| Actuator Crack Open Pressure: | 10 psig |
| Actuator Full Open Pressure: | 35 psig |
| Max Supply Gas Pressure: | 45 psig |
| Fail Position: | Closed |
| Operation: | Pneumatic |
| Face-to-Face Length: | 15 " |
| Min Cv: | 18.1 |
| Max Cv: | 160 |
| Cf: | 0.75 |
