Disclosed herein a dry screw vacuum pump comprises a casing connected to a motor, wherein the casing comprises of a driver rotor and a driven rotor, inlet suction port and discharge port, a pair of driver rotor shafts and a pair of driven rotor shafts and a composite sealer encompassed around the rotor shafts on the...

Disclosed herein a dry screw vacuum pump comprises a casing connected to a motor, wherein the casing comprises of a driver rotor and a driven rotor, inlet suction port and discharge port, a pair of driver rotor shafts and a pair of driven rotor shafts and a composite sealer encompassed around the rotor shafts on the...

Disclosed herein a positive displacement booster pump (1), comprising a casing (2) provided with an inlet (3) and an outlet (4), wherein the casing (2) comprises of a rotor assembly (5) operably housed within the casing (2), and a motor (8) externally connected with the casing (2) via a portion of the rotor assembly...

Disclosed herein a composition and method for manufacturing components of vacuum pumps, wherein the composition of component comprises of ductile or cast iron forming a base material of the components of the vacuum pumps, and an alloy containing Ni, Mo and/or Cu, for improving lattice structure of the base material ...