Pipe-Away Pressure / Vacuum Relief Vent
Pipe-Away Pressure / Vacuum Relief Vent
Chemoil End-of-Line and Pipe-Away Pressure/Vacuum Relief Vents (PVRVs) are engineered to protect atmospheric storage tanks from excessive internal pressure and vacuum while minimizing product losses and ensuring safe operation. These valves automatically relieve excess pressure during tank filling and admit air during product withdrawal, preventing tank deformation and maintaining structural integrity.
End-of-Line PVRVs discharge vapors directly to the atmosphere and are ideal for open venting applications. Pipe-Away PVRVs are designed to connect to a closed vent or vapor recovery system, safely routing hazardous or valuable vapors to a flare, scrubber, or vapor recovery unit. Manufactured in accordance with API 2000, Chemoil Pressure/Vacuum Relief Vents provide reliable tank protection, environmental compliance, and long service life for the oil & gas, petrochemical, chemical, pharmaceutical, and bulk liquid storage industries.
8740
In-Line Pressure and Vacuum Relief Vent
18540D
Pipe-Away Pressure and Vacuum Relief Vent
17800
Pipe-Away Pressure Relief Vent
Key Features
- ✔️ Robust Construction for High Durability
- ✔️ Optimized Flow Characteristics
- ✔️ Zero Leakage Sealing Technology
- ✔️ Low Maintenance Requirements
- ✔️ Compliance with API, ASME, and ISO Standards
Technical Specifications
| Parameter | Details |
|---|---|
| Size Range | 1/2" to 48" (DN15 to DN1200) |
| Pressure Rating | Class 150 to 2500 (PN16 to PN420) |
| Temperature Range | -196°C to 538°C |
| End Connections | Flanged, Butt-Weld, Socket-Weld, Threaded |
| Body Materials | Carbon Steel, Stainless Steel, Alloy Steel, Duplex |
| Trim Materials | SS316, Stellite Gr. 6, Monel, Inconel |
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