T-T Buyers Guide: Liberator or Trencher Submersible Pump
The Liberator® and Trencher® submersible dewatering/drainage pumps are two of the most popular choices in the hire industry. Both are versatile and well-suited for various applications. However, despite their similarities, each pump has unique advantages that may make one more suitable for your specific needs. This guide will help you determine which pump best fits your application.
Liberator® Features
- Available in 400V, 230V, and 100V contractor models
- Compact and lightweight with a stainless steel outer casing
- Urethane impeller for durability
- Auto-reset thermal protector for motor protection
- Double mechanical seal to ensure reliability
- Handles solids up to 7mm
- Power output: 0.4 - 1.5 kW
- 50mm discharge diameter
- Interchangeable major components with Trencher® and PuddlePal®, reducing replacement costs
Trencher® Features
- Cast iron volute and aluminium motor casing for durability
- High abrasive-resistant resin vortex impeller for enhanced wear resistance
- Double mechanical seal for reliability
- Power supply options:
- Single-phase 110V, 50Hz
- Single-phase 230V, 50Hz
- Three-phase 400V, 50Hz
- Built-in agitator to prevent clogging and improve water flow
- Auto thermal protector with non-air locking feature
- Power output: 0.4 - 1.5 kW
- 50mm discharge diameter
- Interchangeable major components with Liberator® and PuddlePal®
Liberator® Applications
- Small water features
- Cellars and basements
- Nuisance water removal
- Civil construction
- Quarries and mining
- Hire fleets
- Emergency dewatering
- General de-watering
Trencher® Applications
- Small water features
- Cellars and basements
- Nuisance water removal
- Civil construction
- Quarries and mining
- Hire fleets
- Emergency dewatering
- General de-watering
Liberator® Benefits
- British design ensures quality
- Lightweight and easy to handle for portability
- Ideal for hire fleets due to ease of maintenance and part interchangeability
Trencher® Benefits
- British design ensures quality
- Lightweight and easy to handle for portability
- Built-in agitator enhances performance in areas with high sediment content
Key differences: Liberator® vs. Trencher®
| Feature | Liberator® | Trencher® |
| Material | Stainless steel casing | Cast iron volute, aluminium motor casing |
| Impeller Type | Urethane impeller | High abrasive-resistant resin vortex impeller |
| Build-in Agitator | No | Yes |
| Auto Thermal Protector | Yes | Yes (non-air locking) |
| Power Options | 100V, 230V, 400V | 100V, 230V, 400V |
| Best For | General dewatering and light sediment water | Heavy-duty applications with higher sediment content |
Which Pump Should You Choose?
- Choose the Liberator® if you need a lightweight, cost-effective, and versatile pump for general dewatering applications.
- Choose the Trencher® if your work involves higher sediment content or heavy-duty applications, thanks to its built-in agitator and more durable impeller.
Both pumps are excellent investments for hire fleets and designed with interchangeable parts to reduce long-term maintenance costs. Your choice should depend on the specific demands of your project and the type of water you need to manage.
For more information, contact our sales department on 01630 647200, email response@ttpumps.com or complete our online enquiry form.