69 General Data Pipe connection All pump types have a treaded pipe connection: 6“WPS® 16: Rp 2 ½” 6”WPS® 30: Rp 3” 6”WPS® 45: Rp 3” 6”WPS® 60: Rp 4“ 6”WPS® 75: Rp 4“ Flange adapters ara avaible upon request Pump identification code Example 6”WPS® 30 - 12 N 6” pump Stainless Steel Submersible Pump Rated flow (in m3/h) Number of stage/impellers Material Code (standard, N or NE) Pumped liquids 6”WPS® submersible pumps are designed for pumping thin, clean, non-aggressive and non-explosive liquids, not containing solid particles. 6”WPS® pumps are suitable for pumping liquids with a content of sand up to 150 g/m³. A higher content of sand will shorten pump life. The maximum fluid temperature is 35°C. For higher temperatures, please contact Well Pumps. Construction features • Coupling and motor flange of pump-end are suitable for connection to motors in accordance with NEMA standard. • Jam free check valve, built in the discharge chamber, is designed for low loss of head. • Generously dimensionned intermediate bearing located at each stage of the pump in order to perfectly align the shaft and optimize the lubrication. • Rugged cable guards. • Hydraulic profiles are optimized for the attainment of high efficiencies. • Resistance to corrosion and abrasion, i.e. the same inherent qualities of stainless steel (AISI 304 or AISI 316). Model 6”WPS® 75 is also available in Duplex steel. • Great ease of dismantling and assembly. Curve Conditions • Curve tolerances according to ISO 9906, 2012 Class 3B. • The performance curves show pump performance at actual speed of the standard motor range. • The measurements were made with airless water at a temperature of 20°C and a kinematic viscosity of 1 mm2/s (1 cSt). For pumping liquids with a higher density than clear water, motors must be used with correspondingly higher outputs. • Q/H: The curves are inclusive of valve and inlet losses at the actual speed. • Power curve: P2 shows pump input power at the actual speed for each individual pump size. • Efficiency curve: η shows pump efficiency. Service The pump and motor are very easy to maintain and repair. The modular pump and motor design facilitates installation and service. 6’’WPS®
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