Product Description
BERKELEY ProJet SL Series Cast iron, self-priming convertible jet pumps
The ProJet SL convertible jet pumps
offer a proven cast iron self-priming
design available in 1/2 to 1-1/2 HP
models. The ProJet SL convertible jets
utilize the built-in regulators, offering
easier priming and better range of
performance from a complete line of
shallow well, 4" double pipe, 2" and 3"
single pipe jet packages.
APPLICATIONS:
Water systems and sprinkling for homes, farms and cottages.
SPECIFICATIONS:
Body and Seal Plate: Close-grained
cast iron
Impeller: High-strength Noryl®
Diffuser: Reinforced polypropylene with
brass wear ring
Shaft: One-piece threaded 416
stainless steel
Base: Steel, 12 gauge
Max. Liquid Temperature: 140°F
Max. Inlet Pressure: 50 PSI
Pressure Switch Pre-Set: 30–50 PSI
Suction Ports: “Suction-over-Drive”
FEATURES:
Quality Construction: Close-grained cast
iron pump body is rugged one-piece unit,
specially treated to resist corrosion. Drain
port provided for easy winterizing.
Noryl Impeller: Precision-molded for
perfect balance…ultra-smooth for highest
performance and efficiency.
Precision-Molded Diffuser: Pump primes
faster, handles more air, with multi-port,
precision-molded, reinforced
polypropylene diffuser.
Pressure Switch: High-quality, cut-in
pressure setting is adjustable. Fixed
20 PSI differential.
Mechanical Shaft Seal: Precision-lapped
and highly polished carbon-ceramic,
stainless steel construction. Internal design
guarantees continuous water lubrication for
maximum protection.
Motor Windings: Superior insulation
materials protect against excessive
moisture and contaminants…assures
prolonged motor life.
Balanced Rotor: Diecast under high
pressures for uniform performance and
greater efficiency…dynamically balanced.
Heavy-Duty Ball Bearings: Shielded,
permanently lubricated bearings,
extensively tested to ensure extended
life and smooth, quiet operation.
Pump and Motor Shaft: 416 stainless
steel for maximum corrosion resistance;
one-piece threaded shaft for positive
impeller drive and alignment.
Dustproof Cover: Dustproof canopy
protects all electrical components from dirt,
dust and insects; ventilating air cannot
contaminate vital switching components…
eliminates the most common cause of
motor failure.
