Valves that prevent damage to pipes or containers due to negative pressure (vacuum) are commonly known as vacuum breaker valves or anti-vacuum valves.
SIZE: DN25-DN100; 1"-4"
Vacuum pressure: -0.5 -0.9bar
Working temperature: 130℃
Sealing: EPDM、FKM
Material: 304/1.4301; 316L/1.4404
