Adjustable Safety Breather PVRV Valves
WH-5103(1.5 inch PVRV)
The valve is applied to the pressure vessel type piping system. The regulating breathing valve has two functions.
- Product Introduction



Technical parameters: Interface: clamp pressure: 0.1-0.25mpa Temperature: -30C. +150c. Working medium: gas
The Adjustable Safety Breather PVRV Valve is a critical component in many industrial processes that require precise pressure and temperature control. The valve's primary function is to maintain pressure in vessels and pipelines by releasing excess pressure through the vent when it exceeds the preset limit. This prevents overpressure that could lead to equipment failure, product loss, or even personnel injury.
One of the primary features of the ability to be customized to specific applications. Engineers can adjust the valve's setpoint, relieving capacity, and back pressure to meet the precise needs of various processes. This feature ensures optimal performance and safety, especially in challenging environments.
Another significant advantage of this valve is its robust construction. The valve materials are carefully selected to withstand the harsh conditions of industrial applications, such as high temperatures, corrosion, and erosion. The design also incorporates safety features such as self-draining and fire-safe construction, providing an extra layer of safety for sensitive applications.
Size | D2 | D1 | D3 | H |
1.5” | Φ50.5 | Φ28 | Φ48 | 115 |
2” | Φ64 | Φ28 | Φ48 | 115 |
NO | Name | Material |
1 | Valve body | SS304 |
2 | Filler plate | EPDN |
3 | Valve element | SS304 |
4 | Negative pressure small spring | SS304 |
5 | Snap spring | SS304 |
6 | Positive pressure spring | SS04 |
7 | Spacer | SS304 |
8 | Blind nut | SS304 |
9 | Adjustment lever | SS304 |






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