Mechanical Safety PVRV Valves
WH-5102(1 inch PVRV)
The valve is applied to a pressure vessel type piping system. The breathing valve has two functions. When the pressure is higher than the set pressure (standard 1BAR), it can be vented, and vice versa.
- Product Introduction
Mechanical Safety PVRV Valves are safety relief valves designed for use in various industrial applications. These valves are designed to protect pressure vessels, pipelines, and equipment from overpressure situations, thereby preventing damage to the system and ensuring the safety of personnel.
are equipped with a spring-loaded mechanism that allows for easy operation and adjustment based on specific system requirements. The valves are designed to be highly reliable and require minimal maintenance, ensuring optimal performance over an extended period. These valves are made from high-quality materials and are available in a range of sizes to suit a variety of applications.
Introduction to functions and features
The valve is applied to a pressure vessel type piping system. The breathing valve has two functions. When the pressure is higher than the set pressure (standard 1BAR), it can be vented, and vice versa. When the vacuum is generated in the piping system (standard -0.2BAR) When the valve is automatically opened to ensure the safety protection of the equipment and related instruments, it can also meet the needs of various production processes. The valve is made of stainless steel and hygienic design, which is suitable for various food processing, beer, beverage and pharmaceutical industries. Industrial field.



Size | D2 | D1 | D3 | H |
Φ34 | Φ34 | Φ25 | Φ30.5 | 49mm |
1” | Φ34 | Φ25 | Φ30.5 | 49mm |
1.5” | Φ50.5 | Φ35 | Φ42 | 72mm |
2” | Φ64 | Φ47 | Φ51 | 85mm |
2.5” | Φ78 | Φ59 | Φ64 | 90mm |
3.5” | Φ105 | Φ83 | Φ88 | 135mm |
Technical parameters: Interface: clamp Pressure: 0.2mpa Temperature: -30C. +150c. Working medium: gas
Safety instructions
In case of damages caused by non-observance of this instruction manual, incorrect initiation, handling or external interference, guarantee and warranty will lapse.
Our products are produced, mounted and tested with high diligence. However, if there is still a reason for complaint, we will naturally try to give you entire satisfaction within the scope of our warranty. We will be at your disposal also after expiration of the warranty. In addition, you will also find all necessary instructions and spare part data for maintenance in this instruction manual. If you don't want to carry out the maintenance by yourself, our Wenhan service team will naturally be at your disposal.
NO | Name | Material |
1 | Valve body | SS304 |
2 | Valve element | EPDM |
3 | Filler plate | SS304 |
4 | The valve core seat | SS304 |
5 | Negative pressure | SS304 |
6 | Positive pressure spring | SS304 |
7 | Blind nut | SS304 |
Application Scene

FAQ:
Q: Custom packaging service
No matter the inner packing or the outer carton.
We can design as your request.
Q: Quick response
All requests will be reply within 1 hours.
Q: Do you deal with urgent orders?
A: Sure. Please contact ASAP for details.






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