(1) closed the relief Industrial Valves body should be tested for water pressure strength test. 5 times. (2) the relief valve should be done air-tightness test, the test pressure for the system rated pressure. Post - 1 times adjustment, use should be an inert gas such as air or nitrogen gas; When compressor medium containing flammable, explosive gas, is generally not allowed to work in the compressor system using gas valve adjustment o (4) when the system pressure of work more than 30 mpa, set the two best relief valve o (5) due to corrosion, imported tube fouling caused heated under the knot relief valve stuck can jump or not jump but close is lax safety valve after discharge, should check, repair, check, or change. 6. The relief valve core and valve seat should be mutual lapping carefully, to ensure its tightness. Coarse grinding, special clamping fixture stick on metallographic abrasive cloth are available, and respectively play the eagle valve core and valve seat, contractible short rent grinding time.
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