2013年9月29日星期日

Fittings and installation methods of prevention

In the hydraulic system, both the metal pipe fitting, or hose fittings, there are prone to leakage problems. Hydraulic pipe fittings, mostly due to pipeline subject to greater external force or impact force, the card sets loose or deformed face caused by leaking pipe, you should check whether the card holder out of round, edge whether the defect, the pipe end is intact and nut, compression level, etc., while also eliminating pipeline force. For flared fittings, mostly due to excessive flaring, quality, undesirable or multiple demolition, resulting in flared cracks or deformation caused by leaks, then you can be re-flared front truncated. If you use a male and female cone top pressure seal, the leakage is mostly due to two cone damage, available on the cone abrasive grit grinding. In some with "о" or outer-ring face seal by the occasion, the leakage following reasons: "о" ring aging or deformation caused by leakage; "о" ring assembly is not in place, so that the two plane connection when pressure is uneven or "о" ring is cut resulting in leakage.

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