Calama Industries Pvt. Ltd. Offers Open Well Vertical Submersible Pumps. Calama Industries Pvt. Ltd. Is an ISO 9001:2000 awarded company. Open Well Vertical Submersible Pumps is suitable for Domestic water supply, Lift Irrigation Schemes, Drip / Sprinkler Irrigation Schemes, Fire fighting, Booster application, cooling water circulation etc. Open well Vertical Submersible Pumps is a single or multistage, impeller pump with wet squirrel cage induction type. It is a water cooled pump available with water lubricated motor.