不锈钢的水下泵

QJD Multi-stage Submersible Pump Motor are designed with quality material and unipue features to assure years of dependable operation.Oil-filled motor keeps windings cool,permanently lubricated bearings to provide reliable pump service. ·Watertight double-insulated cable entry system prevents capillary action and protects moisture. Arubber diaphragm is provided to guard against pressure and volume variations due to thermal expansion of oil inside the motor.Specification lnsultion class: F protection class:IP58 water temperature:up to 35 PH:6.5-8.0 maximum No. of starts per hour:30 maximum immersion depth:350m fluid-lubricated thrust bearings. lip seal protected by sand guard. extractable supply cable. fitted with watertight connector. power:singlephase:0.37kw=2.2kw three-phase:0.55kw-7.5kw Direct motor start axial load:1500N(0.37kw-0.75kw) 2500N(1.1kw-2.2kw) 4500N(3kw-7kw) special features on request other voltages frequency 60hz the length of cable is optional motor adapter:AISI304SS extractable supply cable fitted with watertight connector. plug- n typeTechnical data single phase power:0.37 to 2.2kw speed:2850rpm voltage:220V-240V-/50Hz lnsulation class: B protection grade:IP 58 highest temperature of liquid:40 maximum content of solid substance:40gr/m3 flange and coupling according to NEMA standard motor casing:stainless AISI304