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Square Breathing Valve

WH-5102F The valve is applied to pressure vessel pipeline system.

  • Product Introduction

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. On the contrary, it can close. The internal design regulates the pressure function, and the external design of flat cover plus screw micro-adjustment function. 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.

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Technical data:  Connection:Clamp   Pressure:0.2mpa Temperature:-30℃+150℃ Working Media:Gas

                              No                            Name                           Material
                               1                      Valve body                             SS304
                               2                   Valve element                             SS304
                               3                          Gasket                             EPDm
                               4                       Valve pad                             SS304
                               5                  Negative spring                             SS304
                               6                       Clip spring                             SS304
                               7                   Positive spring                             SS304
                               8                             Gland                             SS304
                               9                       Head cover                             SS304



             Size            D            D1               d              H
              1.5"       Φ50.5           Φ35             Φ62            72.5
              2"        Φ64           Φ62             Φ62            72.5
             2.5"        Φ78            59             Φ64             80


Square breathing valves are devices that have been developed to help individuals control their breathing patterns. These devices are typically used by individuals who suffer from conditions that involve breathing difficulties, such as asthma or chronic obstructive pulmonary disease (COPD). work by regulating the flow of air in and out of the lungs, making it easier for the individual to breathe.


The design of  quite simple. The valve itself is typically made of a small, lightweight plastic or metal device that is inserted into the mouth. The valve is then connected to a tubing device that allows the individual to inhale and exhale through the valve.


When using , individuals are typically instructed to inhale deeply through the valve and hold their breath for a short period of time. They are then instructed to exhale slowly and steadily through the valve, taking care to completely empty their lungs. This process is typically repeated several times, with each breath being controlled to ensure that the individual maintains a steady, rhythmic pattern of breathing.


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