GHS screw vacuum pump and DZS claw vacuum pump how to distinguish between -

screw vacuum pump manufacturer will introduce GHS screw vacuum pump and DZS claw difference between vacuum pump. GHS screw vacuum pump and DZS claw is dry vacuum pump, vacuum pump but due to the working principle is different, their structure is different also. In order to obtain the lowest pressure, two pumps are divided into four grade, but the claw vacuum pump are separately the diaphragm, screw vacuum pump have been cross screw, separate level so that the two are very different.

1。 Using different: in the process of screw vacuum pump has the shortest channel and interstage of the same gas transportation location, which is beneficial to the gas from the pump discharge quickly, reduce the change of gas and condensate pump, and as a result of the existence of separation between level, is advantageous to the discharge of solid particles. Claw vacuum water pump gas path are long and curved, easy to condensate blocking gas path. Screw vacuum pump in the pump body and rotor as monomer, easy anticorrosive processing. Claw vacuum level clapboard is difficult to operation, the coating on the surface of the rotor are subject to damage during assembly.

2。 Reliability: because of the existence of the claw interstage diaphragm vacuum pump rotor and the pump shaft cannot be integrated, the rotor is installed on the shaft. For ease of installation and removal, cooperate with can't be too tight, scroll key and the rotor is easy to loose after operation. Screw vacuum pump shaft and rotor is of integral casting, machining and molding, fully integrated, no assembly problem. Claw vacuum pump has many gaps, such as the rotor and clearance between rotor and clearance between rotor and the pump body and the clearance between rotor and end cover and the diaphragm. Each interval is independent of each other. As long as there is gap problem, the pump can't work normally. The working performance depends on the exhaust end of the screw vacuum pump and the clearance between the rotor and clearance between rotor and rotor are interrelated, so reliability is very high.

3。 Maintainability differences: the claw of the vacuum pump is very difficult to remove: because the claw vacuum pump is a multi-level structure, all removed should be multi-level decomposition, the removal of the rotor is the real difficulty. At the same time, each a certain degree of the accuracy of measurement will be reduced. Even simple cleaning must also be completely disassembled and reassembled. Screw vacuum pump to remove the simple: screw vacuum pump can only remove the rear cover from the front bearing, is very simple. If is only used to clean and disassemble, clean after rotor is installed in the pump body only, without any adjustments.

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