Hydro Prokav Pumps [India] Pvt. Ltd. Manufactures Industrial and Chemical Screw Pumps, KX - PK Series. Hydro Prokav Pumps [India] Pvt. Ltd. Is an ISO 9001 certified company. The Industrial and Chemical Screw Pumps are made using special geometries in 1/2 and 2/3 profiles and can be made with SS 316 material and cast iron. These Industrial and Chemical Screw Pumps can also be fabricated with special materials suitable for highly corrosive fluids. The Industrial and Chemical Screw Pumps offer shaft sealing done by soft Packed Gland or Mechanical seal. These have torsion free metal bonded stator and double sealed joints.