rough vacuum

Heavy grade: gas turbines, water cooled generators, turbo vacuum systems, gearboxes and most rough machined surfaces.

高粘度: 汽轮机 、 水冷发电机 、 涡轮真空系统 、 齿轮箱和所有粗糙的机加工表面.

W , WY series of reciprocating vacuum pumps are the effective equipments to obtain rough vacuum.

WY系列往复真空泵式获得粗真空的主要设备.

This type of compressor has simple construction, a small amount of spare parts, small volume size and high efficiency. It is very efficient to be applied to air refrigerating and small air compressor, rough vacuum pump and high pressure fan.

这种压缩器结构简单、零件数量少、体积尺寸小和效率高，可很好地应用于空气制冷空调器及用做小型气体压缩机、粗真空泵、高压风机。

LS series wet roots vacuum pump is a rough vacuum pumping equipment.

LS型直排大气湿式罗茨真空泵属粗真空获得设备.