Relief valve - Definox

A relief valve responds to overpressure on the lines. Different springs can cover a pressure span of between 0 to 13 bars.

Relief valve – Definox

DEFINOX offers two models of vacuum pressure relief valves: compact 2-2½” and 4″.

In terms of the EC pressure equipment directive 97/23/EC, vacuum pressure relief valves are not considered 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 the 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.

– DN 1.5″ to DN 2″

• L body.

– Adjustable device

• Pressure range from 0 to 13 bars.

– Elastomer sealing

• EPDM
• FKM.

– End connections

• To be welded SMS, DIN or US.

– Preset adjustment

• Cover protecting the pre-adjusted setting on the top of the valve
• Lead seal possible to secure the adjustment of the pressure.

– Option

• Pressure gauge fitted onto the body.

Technical Advantages Relief valve

DEFINOX offers two models of pressure/vacuum valve:
• A compact valve with a 2″ or 2″1/2 clamp connection or DIN 50 socket,
• A 4″ valve with a clamp connection. This model is equipped with a manual forced opening device.

These valves are available in the following pressure/vacuum ranges:
– Vacuum: 30 mbar,
– Pressure: 0.05 to 2 bar, depending on the spring.

They are made of 316L stainless steel and equipped with a PTFE plug and silicone seal to avoid sticking. The discharge from these valves is not channelled.

Application of Relief valve

With the above outstanding advantages, defines valves are very popular with investors in many fields such as:

– Food, pharmaceutical, chemical, and cosmetic industries

– Animal feed processing industry,…

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