Fixed breathing valve

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Category: Valves

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Wenzhou Sugong Fluid Equipment Technology Co., Ltd

Zhejiang, China

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Working principle

When the positive pressure value in the container is greater than the set pressure value of the positive pressure spring of the valve, the valve automatically opens to exhaust the outside of the container.
When the positive pressure value in the container is lower than the set pressure value of the positive pressure spring of the valve, the valve is closed; When the vacuum negative pressure value generated in the container is greater than the negative pressure value set by the valve, the valve will automatically open and inhale into the container.
When the vacuum negative pressure value in the container is lower than the negative pressure value set by the valve, the valve is closed.
The breathing valve can realize the double action of the call and the suction, effectively protecting the safety of the system of the container and the pipeline

                                                            Connection method
                                                            clamp, thread, flange
                                                        
                                                            Maximum positive pressure value
                                                            ≤3.2bar
                                                        
                                                            Working temperature
                                                            -10 ° C to 120 ° C
                                                        
                                                            Contact with material
                                                            SS304/SS316L
                                                        
                                                            Internal surface contact product
                                                            Ra≤1.6μm
                                                        
                                                            Specifications
                                                            1"~2" DN25~DN50
                                                        
                                                            Sealing
                                                            EPDM, Silicone Rubber (SI), Fluororubber (FPM)
                                                        
                                                            Maximum vacuum
                                                            ≤-0.9bar