Safety Relief Valves
Consolidated™️ 2478 Series Pressure Relief Valve
The 2478 Series pressure relief valve has a totally enclosed design for non-corrosive, thermal-relief, liquid service.
Specifications
| SPEC | VALUE |
|---|---|
| INLET SIZES | 1/2" through 2 1/2" |
| OUTLET SIZES | 3/4" through 2 1/2" |
| ORIFICE SIZES | D, E, F, G, H and J |
| SET PRESSURE RANGE | 15 to 300 psig |
| TEMPERATURE RANGE | -325°F to 406°F |
| MATERIALS | Cast bronze bonnet, brass base and trim and PTFE soft seats are standard |
| STANDARDS AND REGULATIONS | Non-coded |
| BLOWDOWN | 7% - 15% |
| BACK PRESSURE LIMIT | 10% of set pressure |
Features and Benefits
- Low spindle bearing point between the spindle and disc for improved tightness
- Self-aligning spring washers for repeatability and long life
- Totally enclosed bonnet to ensure that escaping fluid is properly discharged
- Precision-wound spring plus 5 percent tolerance on rate to ensure repeatability and maximum tightness
- Manufactured to ASME Code standards
- Tested for set pressure on water
Applications
Design limits of 300 psig (20.68 barg) and -325°F (-198°C) to +406°F (+207°C). This product should only be used for non-corrosive liquids. The Consolidated 2478 Series Pressure Relief Valve is not ASME Code capacity- certified. Cryogenic service applications can be satisfied by consulting the factory.
Connections
The 2478 Series Pressure Relief Valve is supplied with 0.5 in. (12.70 mm) through 2.5 in. (63.50 mm) male NPT inlet sizes. The inlet is equipped with a standard hexagon surface for easy wrenching.
Options
- Sealed Lifting Lever Assembly
- Spring 17-7 PH SS is available Options
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