Ultrahigh pressure three-plunger water pump
An ultra-high pressure and plunger technology, applied in the direction of pumps, multi-cylinder pumps, liquid displacement machinery, etc., can solve problems such as water leakage, poor sealing, and low work efficiency, and achieve improved service life, long service life, and self-lubricating Good effect
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[0011] The invention points of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0012] The technical solutions adopted by the present invention to solve the technical problems are as follows: 1. A combined seal with a special structure is installed between the ceramic plunger 10 and the cylinder 22. The seal is composed of a four-layer sponge-type ceramic spacer 25 and a three-layer ultra-high molecular PE (polymer polyethylene board) sealing body 24. The sealing body has high mechanical strength, low thermal expansion coefficient, excellent self-lubrication and good self-cooling effect, thereby ensuring a long service life and good sealing characteristics. 2. Both the suction valve plate 8 and the drain valve plate 7 are made of heat-resistant stainless steel substrate, ceramic plated on the surface, and precision ground structure. This type of valve disc has excellent wear resistance and minimal thermal deformation, has g...
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