The DEP4 is a cast steel direct acting bellows sealed excess pressure valve. The standard version as an EPDM diaphragm (limited to 125° C) and is suitable for steam and water applications. Also available for oil applications is a Nitrile rubber diaphragm (suffix 'N ' i.e. DEP4B1N which is limited to 90° C)
| Spirax-Sarco | |
|---|---|
| Product Category | Industrial Valves |
| Product Number | DEP4 |
| Product Name | Cast Steel Excess Pressure Valve |
| Valve Type | Control Valve; Bellows; Relief |
| Primary Material | Steel; Cast Steel |
| Media | Water; Steam |
| Maximum Pressure | 4.35 to 217.56 psi (3.06 to 153 m H2O) |