Non Return Valves (NRV)

Description

non-return valves for reliable protection against dangerous reverse gas flow.
Benefits
● a spring loaded non-return valve prevents back feeding
of gases which could lead to unwanted gas mixtures
● available in brass or stainless steel
● diverse applications – useful for many technical gases
● reduce installation costs – the spring loaded valve is
not affected by gravity and may be installed in any
orientation

Operation / Usage
● non-return valves are used to protect equipment and
pipelines against dangerous reverse gas flow.
Use is possible for applications according to EN 746-2
● WITT non-return valves may be mounted in any position
/ orientation
● in ambient temperatures above -20 °C / 68 °F and
below +70 °C / 158 °F

Approvals
Company certified according to ISO 9001

Specifiation
Max pressure 16 bar