4′′ QJ Series

1、Performance Characteristics

• Performance characteristics

1.1 High-grade Stainless steel for casing of motor and pump, shaft coupling, fastener, etc, elegant appearance, strong decay resistance, outstanding durability；

1.2 Floating impellers adopts single-stage floating structure, pom for impeller, high-strength composite PC for diffuser and cover plate and strong bearing gasket, which greatly reduce backwater and highly improve efficency；

1.3 Brass outlet and inlet, attractive and practical；

1.4 High-efficient and energy-saving motor is suitable for drinking water, filled with food-grade white oil, non-toxit and pollution-free；

1.5 The installation of the motor rotor conforms to “NEMA” standard；

1.6 The outlet is equipped with a high-strength ABS check valve, to effectively prevent the impact of water hammer.

2、Parameter Center

• 4QJ2 Performance Curve   

• 4QJ2 TECHNICALDATA

• 4QJ4 Performance curve

• 4QJ4 TECHNICALDATA

• 4QJ4 Mechanical parameters

• 4QJ6 Performance curve

• 4QJ6 TECHNICALDATA

• 4QJ6 Mechanical parameters

• 4QJ8 Performance curve

• 4QJ8 TECHNICALDATA

• 4QJ8 Mechanical parameters

• Application area

• Parts List