The Talbo GSP-20 is a pneumatic (air-operated) submersible dewatering pump designed for mining, marine, construction, industrial sump drainage, ballast tank emptying, and cargo hold dewatering applications.
Unlike electric submersible pumps, the GSP-20 is powered entirely by compressed air, making it suitable for hazardous environments where electrical sparks could pose a risk. (globalpumps.com.au)
Key Features
- Air-operated submersible pump
- No electrical power required
- Suitable for hazardous areas
- Compact and portable design
- Governor-controlled air motor
- Double-seal protection system
- Integral lubricator system
- Pumps seawater and freshwater
- Rugged construction for harsh environments
- Can pump down to approximately 22 mm water level (globalpumps.com.au)
Technical Specifications
Based on Talbo manufacturer literature:
| Specification | Talbo GSP-20 |
|---|---|
| Pump Type | Pneumatic Submersible Pump |
| Model | GSP-20 |
| Maximum Flow | 810 L/min |
| Maximum Head | 30 m |
| Outlet Size | 2″ NPT |
| Air Inlet | 3/4″ NPT |
| Air Outlet | 1″ BSPP |
| Air Consumption | 2.7 m³/min |
| Recommended Air Hose | 12 mm (1/2″) |
| Weight | 21.5 kg |
| Height | 340 mm |
| Minimum Opening Required | 204 × 230 mm |
| Recommended Air Pressure | 6.2 bar (90 psi) |
Typical Applications
Marine Applications
The Talbo GSP-20 is widely used onboard vessels for:
- Ballast tank emptying
- Bilge water removal
- Cargo hold drainage
- Washdown water removal
- Emergency dewatering operations
Construction & Mining
Suitable for:
- Excavation pit dewatering
- Underground mining drainage
- Tunnel drainage
- Floodwater removal
- Site sump pumping
Industrial Applications
Commonly used for:
- Factory sump drainage
- Wastewater transfer
- Process water removal
- Emergency pumping systems
Advantages Over Electric Submersible Pumps
The Talbo GSP-20 offers several benefits:
- No electrical cables
- No electric shock hazard
- Safe in explosive environments
- Can run dry briefly without motor damage
- Compact and lightweight
- Easy to transport
- Suitable for remote locations
- Handles dirty water effectively
These characteristics make it particularly popular in marine, mining, and hazardous industrial environments. (globalpumps.com.au)
Maintenance Requirements
For optimum service life:
- Install a Filter-Regulator-Lubricator (FRL)
- Use clean, dry compressed air
- Check air hoses before operation
- Maintain lubrication supply
- Inspect seals periodically
- Use genuine Talbo spare parts
The manufacturer recommends operating at approximately 90 psi (6.2 bar) with continuous air-line lubrication. (globalpumps.com.au)
Supply & Technical Support in Singapore
Need assistance selecting, servicing, or replacing a Talbo GSP-20 air-operated submersible pump?
