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Technical Data
GN882
Breather or Exhaust Filter Stainless Steel, Brass
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Product Description
GN881 Breather or Exhaust Valve
Once the opening pressure given in the table is exceeded, these breather valves, GN 881, with gasket will vent into a container and so protect against excessive inside container pressure. A green colour ring marks the opening pressure of 200 mbar.
In its normal state, the gasket closes the container and so prevents dirt or dust getting inside the container.
The above diagram shows the air outlet as a factor of the opening pressure.
The valves are checked for leak tightness and opening pressure.
Specification
Valve body - Brass MS
Breather cap - Stainless Steel NI, AISI 304 M
Gasket - Brass, with silicone-rubber coating (VMQ)
Spring - Stainless Steel NI, AISI 301
Sealing DIN7603 A - Soft iron 1.0338
Temperature resistant from -30 oC to +100 oC
On Request
Other material with other opening pressure (20 mbar, yellow ring)
