Ecomotive® STP Flex
Both Ecomotive® STP Compact and Ecomotive® STP Flex by Jets® are space efficient, safe, and environmentally responsible. With more than 30 years of experience in sewage treatment plants, JETS understands the requirements of the industry, and has created solutions that are reliable and affordable, without the need for chemicals during normal operation.
- Compact design
- Reduced and simplified maintenance
- Environmentally responsible

Unique flexibility with Ecomotive® STP Flex
The Ecomotive® STP Flex is the most flexible of our STP solutions.
With its modular design, it can be installed in a range of combinations to best suit any project.
Biological treatment of wastewater using the MBBR approach is a tried and tested method. The technology is competitive, requires minimal maintenance and offers a long service life. Chief engineers consulted during development expressed confidence in the performance and quality of the Ecomotive® treatment plants.
Stainless steel material
- High-quality stainless steel designed for demanding operating conditions
- Designed to last throughout the service life of the STP, helping reduce maintenance costs
Modular design
- The modular design offers flexibility and efficient use of space
Available in 14 different sizes and capacity ranges
- A range of sizes and capacities to suit different project requirements
USCG Type approved range
- Supports USCG design and certification requirements for US-flagged ships
Self-cleaning
- The continuous movement of biofilm carriers helps reduce maintenance requirements and improve crew safety
Disinfection by UV light
- Effective and environmentally responsible solution
Automatic sludge removal
- Automated operation reduces the need for manual sludge handling by the crew
Macerating feed pump
- Operational safety due to improved and highly effective cleaning process
Specifications
| Dry Weight | 1.495 kg and upwards |
| Wet Weight | 3.905 kg and upwards |
| Dimensions | 14 sizes (1.11 - 44.40) in stainless steel AISI316 |
| Type | Flexible design for vessels up to 548 PoB |
| Capacity / Hydraulic load | 1.850 - 74.000 liters/day |