Sulzer
Sulzer J12 Submersible Drainage Pump

Specification                                                                                    

Electric submersible pump.                                                                      

Maximum submergence: 20 m.                                                                

Protection class IP 68.                                                                                    

Max temperature of pumped medium at max power input and continuous duty 40 ºC.                                                                                  

Max medium density 1100 kg/m3 . pH of the pumped medium 5-8. Strainer hole: 6.5 x 22 mm. Max number of starts 30/hour.                                    

J 12 W/WKS* Medium head, single-phase * option: built in float switch                                                      

Electric motor                                                                                          

Single-phase induction motor with built-in capacitor, 50 Hz: Service factor 1.1. Class F insulation.                                                            

Voltage: 230 V. Motor rating P2 : 0.9 kW. Speed: 2770 rpm  Nominal current, 5.9A  

Power cable                                                                                                    

20 m type H07RN8-F:   3 x 1.5 sq.mm. (single-phase)                                                                                  

Motor protection                                                                                          

Built-in thermal switches in the stator winding (140ºC, ±5)

Shaft seal

Double mechanical seal in oil bath.     Primary seal: Silicon carbide on silicon carbide.   Secondary seal: Silicon carbide on silicon carbide.                                  

Bearings

Upper bearing: Single-row deep groove ball bearing.    Lower bearing: Single-row deep groove ball bearing.                  

Discharge connections        1 ½", 2" (standard), 2 ½", 3" hose connections.        2", 2 ½", 3" B.S.P. threaded connections.

Weight  

D: 18 kg, W: 19 kg (without cable)                                  

Options and accessories  

Zinc anodes. Surface protection coating.      Bottom suction adapter. Series connection.      Starter and control units. Floatation ring.        Carry case. Repair kit.     Discharge connection accessories and hose.

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