GOULDS ST31, ST51, ST71 “SumpThing” Sump Pumps -MD pumps

Specifically designed for the following uses:
Basement draining
Water transfer
Dewatering
Effluent Transfer

Features and Benefits

Corrosion-resistant construction
Cast iron body
Thermoplastic impeller and cover
Replaceable power cord
Bearings: Upper sleeve and lower heavy duty ball bearing construction
Built-In Vent Hole: Prevents air-binding with no added labor
Motor is permanently lubricated for extended service life and is powered for continuous operation. All ratings are within the working limits of the motor
Complete unit is heavy duty, portable and compact
Mechanical Seal: carbon/ceramic/Buna/ stainless steel
Stainless steel fasteners and stainless steel pipe plug

GOULDS ST31 PMP SPECS

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GOULDS ST51/71 PMP SPECS

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GOULDS ST31, ST51, ST71 “SumpThing” Sump Pumps, all these three types of pumps have been specifically designed for the different purposes as Basement draining, Water transfer and also Dewatering and help the customer to prevent them.

ST31 Pump:

• Maximum capacity: 50 GPM

• Maximum head: 26′ TDH

Applications:

Specially designed for the following uses:

• Basement draining
• Water transfer
• Dewatering
• Effluent Transfer

Features:

• Motor is permanently lubricated for extended service life and is powered for continuous operation. All ratings are within the working limits of the motor.

• Complete unit is heavy duty, portable and compact.

ST51 Pump:

• Maximum capacity: 61 GPM

• Maximum head: 29′ TDH

Features:

• Motor is permanently lubricated for extended service life.

• Powered for continuous operation.

• All ratings are within the working limits of the
motor.

Applications:

• Basement draining

• Water transfer

• Dewatering

• Effluent Transfer

ST71 Pump:

• Maximum capacity: 70 GPM

• Maximum head: 37′ TDH

Features:

• Motor is permanently lubricated for extended service life.

• Powered for continuous operation.

• All ratings are within the working limits of the
motor.

Applications:

• Basement draining

• Water transfer

• Dewatering

• Effluent Transfer

Specs	Specifications Pump Discharge size: 1½” NPT Capacities: to 70 GPM. Maximum head: to 37 feet. Temperature: 104°F (40°C) maximum, continuous when completely submerged. Solids handling: ½” maximum sphere. Automatic models include a float switch. Manual model available. Pumping range: see performance chart or curve below.
Motor	ST31: ⅓ HP, 115 V, 60 Hz, single phase, 3000 RPM, 12.0 amps maximum. ST51: ½ HP, 115 V, 60 Hz, 3400 RPM. ST71: ¾ HP, 115 V, 60 Hz, 3400 RPM. Built-in thermal overload protection with automatic reset. Class B insulation Oil filled design High strength carbon steel shaft Power cord: Quick disconnect 10 foot standard length, heavy duty 16/3 SJTW with NEMA 5-15 P three prong grounding plug, 115V.