|d1||Opening pressure in mbar|
at tank over pressure
|G 3/4||350 Opening pressure||700* Opening pressure||30||36||16||15||5,5||68|
|M 42 x 2||350 Opening pressure||700* Opening pressure||30||47||32||21||4||74|
Filter combination produces no result.
Breather caps GN 775 with double valve are normally used if the oil container is under pressure and if outside air has to flow back in to compensate for the vacuum caused by falling oil level.
Pressure curve Δp [mbar] in the container as factor of the air flow rate [l/min.] at a valve opening pressure of 350 or 700 mbar.
When turning in the cap, a latching mechanism ensures that the specified torque is not exceeded. It is set for optimum sealing effect. Turning out the cap without a key is no longer possible.
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