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What laying requirements of concrete pumping pipes?
(1) The horizontal pumping pipe should be laid straight.
(2) The vertical pipe shall not be directly attached to the horizontal pipe on the output of the pump. The length of the vertical pipe shall be not less than 20m in length and the check valve shall be installed near the horizontal pipe.
(3) The laying of downward sloping pipe, the output should be installed on a horizontal pipe, the length of not less than 5 times the height difference of the inclined pipe. When the inclination is larger, the exhaust valve should be installed at the top of the slope.
(4) The pumping pipe should be supported and fixed. The wooden pad should be set as a buffer between the pipe and the fixed object, and should not be directly connected with the steel bar or the template. Pipes and pipes should be connected securely; pipe joints and clamps should be firmly sealed, not slippery. Do not install the worn pipe in the rear high pressure area.
(5) After the laying of the pumping pipeline, pressure test should be carried out.
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