1. When installing duckbill valve, attention should be paid to the vertical line of the valves and perpendicular to the ground.
2. The valve is fully inserted from the nozzle into the pipe internal (flat mouth in, round out, also must flow direction and medium consistency), tighten the nut tightening ring, so that the valve mouth tightly attached on the inner wall of pipe.
3. To prevent the valve from falling off, three bolts (PIN) can fasten that in accordance with the tension ring reserved screw penetration valve and pipe wall.
Related Product: duckbill valve
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