DEFINOX offers two models of vacuum pressure relief valve: compact 2-2½" and 4".
In terms of the EC pressure equipment directive 97/23/EC, vacuum pressure relief valves are not considered as security devices and do not have any type of examination certificates.
Compact valve with 2" or 2½" clamp or female DIN 50 connection.
4" valve with clamp connection, fitted with manual forced opening device.
Vacuum: 30 mbar
Pressure relief: 0.2 to 2 bar, according to spring.
No jamming thanks to the PTFE plug and silicone seal.
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