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Goulds 3657 Series Close Coupled End Suction Centrifugal Pump
Features
Superior precision investment cast 316 stainless steel liquid end components for corrosion resistance and strength
Enclosed impeller design provides maximum efficiency and service life with no need for clearance adjustment. Key driven shaft connection with locknut
Back pull-out design simplifies maintenance by allowing the casing to remain in the piping during disassembly
Close-coupled compact design saves space and simplifies installation
Investment cast AISI type 316 stainless steel, volute design for maximum efficiency. Vertical discharge standard, field modifiable to four standard positions
Shaft and sleeve are made of high strength steel, keyed design non-wetted. Protected from pumpage by O-ring seal and hooked design AISI type 316 stainless steel shaft sleeve
Standard flowserve Type 31 mechanical seal with carbon versus Silicon-Carbide faces, Viton elastomers and 316 stainless steel metal components. Options are available for high temperature and mild abrasives
NEMA standard JM frame (close coupled) drive motor
Maximum working pressures to 175 PSIG (12 bars)
Maximum temperatures to 250° F (121° C) with optional high temperature seal
Right hand (clockwise) rotation when viewed from driven end
Standard flange connections conforming to 150 lbs. ANSI drilling
Note: Overload protection must be provided. Contactor with overload for single phase and starter with heaters for three phase must be ordered separately.
Applications
Designed for ultra pure water systems, OEM applications, food and beverage processing and chemical services not demanding ANSI standard equipment.
Pure water feed or transfer
Chemical feed or transfer
Pharmeceutical services
Food or beverage services, not requiring FDA rating