Sanitary Vacuum Relief Valve
WH-5102
Breather valves are safety devices required for storage tanks/containers/gas or vapor pipe lines/ reactors etc. having chemicals or any other fluid to be handled carefully.Breather valves with desiccants are used during transportation of sensitive equipments/ goods to protect from pressure differentials due to change in climatic conditions.
- Product Introduction

The Sanitary Vacuum Relief Valve is an essential tool for maintaining the hygiene and safety of food and beverage production equipment. This valve is specifically designed to relieve vacuum pressure in the pipeline, ensuring that the system remains free from contamination and damage. The valve features a clamp type connection making it easy to install and clean. Its construction is made of high-quality stainless steel to ensure durability and longevity. The valve's compact size makes it ideal for installation in confined spaces. Its ability to handle high temperatures and pressures makes it suitable for use in diverse applications.
Introduction to Functions and Characteristics
The valve is applied to pressure vessel pipeline system.






Breathing valve has two functions. When the pressure is higher than the set pressure (standard 1BAR), it can exhaust. Conversely, it can close. The pressure regulating function is designed internally and the spherical cover is designed externally. When a vacuum (standard - 0.2BAR) is generated in the pipeline system, the valve opens automatically, and the outside air enters the container to prevent the container from flattening. To ensure the safety and protection of equipment and related instruments, but also to meet the needs of a variety of production processes, the valve stainless steel material, health design, to meet a variety of food processing, beer, beverage and pharmaceutical industries.
Breathing valve, also known as safety vacuum valve, belongs to the top device of pressure vessel, which can automatically control the gas exhaust flow in the tank and keep the pressure behind the valve stable. This valve has high control precision and can be generally installed on the top of the tank and pipeline. It has strong applicability. It is used as container equipment. The working principle and structure of the breathing valve. It is convenient and fast to replace the sealing gasket. Generally, it can be replaced within three years. It saves labor and time, has a wide range of applications, and has flexible clamp type.


Technical data: Connection Clamp Pressure:0.2mPa Temperature:-30℃+150℃ Working Media:Gas
| Size | D | d | H |
| 1.5" | Φ50.5 | Φ48 | 98 |
| 2" | Φ64 | Φ56 | 110 |
| No | Name | Material |
| 1 | Valve seat | SS304 |
| 2 | Valve element | SS304 |
| 3 | Gasket pad | EPDN |
| 4 | Valve pad | SS304 |
| 5 | Valve element spring | SS304 |
| 6 | Clip spring | SS304 |
| 7 | Spring | SS304 |
| 8 | Adjustment cap | SS304 |
| 9 | Spherical cover | SS304 |
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