2012年8月5日星期日

how the hydraulic piping piping


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Hydraulic piping in piping, in accordance with the following requirements.
     The entire pipeline requires as short as possible, the number of turn, the transition smooth, minimize the number of upper and lower curved buckle connector t o ensure that the stretching deformation of the pipe, where to live according to the head, the length of the pipeline should be able to ensure that the demolition of installation of joint convenience, the main pipeline in the system or accessories to free entry, without affecting the other components.

     Piping installed on the device should be arranged as parallel or perpendicular direction, pay attention to neat cross pipe as little as possible.hydraulic valve manifold
     Should be more than 10mm gap between the 3 parallel or crossover piping to prevent interference and vibration.

     Pipeline can not arc part of the joint must be in the straight part of the joint. Flange welded at right angles to the pipe center. Curved pipeline mounting flange can be installed only in the straight line portion of the pipeline .
     (5) the highest part of the piping should be equipped with exhaust in order to start to let go of the air pipe.

     6. Pipeline connection threaded connections, flange connections and three kinds of welding. Pressure, diameter and material selected, the threaded connection for smaller diameter tubing, low pressure pipe diameter 50mm or less, high-pressure pipe in the following 25-38mm in diameter. Diameter and then a big flange connection. Welded connections, low cost, easy to leak, so to ensure the installation unloading conditions, you should try to head welding in order to reduce the pipe fittings.

     . Pipeline in the pre-installed, the pipe fittings and flange welding in place, when the entire pipeline is determined, remove the pickling or cleaning, and then dried, coated with oil pressure test. The last officially not allowed to have sand, iron oxide skin, iron and other contaminants into the piping and components installation.

     It should be noted: As technology advances, the production cycle is declining, the use of the hydraulic system is connected to sleeve type connector and by the acid phosphate treated steel connections no longer need the installation of the secondary of the complex according to actual needs, the tube bending and truncation, hair assassination, clean up after installation test.

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