GSP20SL

Summary

Product identification

The Godwin GST05/10 Sub-Prime® line consists of portable, electric submersible trash pumps designed for trash-laden applications and general dewatering.

Available models:

• GST05: 0.5 hp (0.4 kW)
• GST10: 1.0 hp (0.75 kW)

Operating limits

• Max. Fluid Temperature: 90° F (32° C)
• pH Range: 6.5-8.0
• Max. Submersion: 16.5 ft (5 m)

Warning: Pumps are not designed for use in explosive atmospheres, flammable environments, or for pumping volatile liquids.

Feed water

• Solids handling capability: up to 1 in. (25 mm) in diameter

Product water

GST05 Model:

• Max. Flow: 60 gpm (3.8 l/sec)
• Max. Head: 33 ft (10 m)

GST10 Model:

• Max. Flow: 75 gpm (4.7 l/sec)
• Max. Head: 48 ft (14.6 m)

Electrical

• Voltage: 115, 230
• Phase: Single
• Motor: High-torque, capacitor-start with thermal overload protection
• Control: No control panel required

GST05 Model:

• Amps: 5.8, 2.9

GST10 Model:

• Amps: 10.3, 5.1

Mechanical / hydraulic

• Discharge: 2 in. (50 mm)
• RPM: 3600
• Design: Standard side discharge, fully removable volute for easy clean-out

Construction Materials:

• Impeller: Semi-vortex cast iron
• Volute: Cast iron
• Strainer: Steel
• Oil Casing: Cast Iron
• Pump Casing: Cast Iron
• Stator Housing: Cast Aluminum
• Hose Coupling: Cast Aluminum
• Rear Gasket: Synthetic Rubber
• Seals: Silicon Carbide upper and lower mechanical seal; triple sealed with internal upper and lower mechanical seals and external lip seal (Synthetic Rubber)

Dimensions & Weight:

Optional Float Switch:

• Available for automatic, remote activation.
• Package includes power cord (30 ft/50ft or 9m/15m) with piggy-back power plug, variable length float tether, and sealed float.
• Tether Lengths: 3.5 in. (89 mm), 5 in. (127 mm), 7 in. (178 mm), 9 in. (229 mm), 11 in. (279 mm), 13 in. (330 mm), 15 in. (381 mm)
• Pumping Range: 6.5 in. (165 mm), 7.5 in. (191 mm), 8.5 in. (216 mm), 10 in. (254 mm), 11 in. (279 mm), 12.5 in. (318 mm), 13.5 in. (343 mm)
• Pumping range is determined by tether length and based on operation in non-turbulent conditions; actual range may vary.

Features and Benefits

• CSA listed and approved
• Solids handling up to 1 in. (25 mm) in diameter
• Dry-running capability without damage
• No control panel required
• Portable, lightweight, durable
• Side discharge design
• Non-wicking cable with strain relief
• High-torque, capacitor-start motor
• Motor thermal overload protection
• Silicon Carbide upper and lower mechanical seal
• Triple sealed — internal upper and lower mechanical seals and external lip seal
• Semi-vortex cast iron impeller
• Cast iron volute, fully removable for easy clean-out

Disclaimer: This summary is based on extracted text and may not include all figures, footnotes, or the latest revisions from the official OEM PDF. Contractual data must always match the specific OEM PDF revision used for the project.

Official datasheet (PDF)

Lenntech datasheet mirror