- Home
- Companies
- streisal GmbH
- Products
- Streisal - Model ATP/BTP - Submersible ...
Streisal - Model ATP/BTP -Submersible Agitators with Step-Down Gear Unit
Technical properties: Power range: 1,5 – 11 kW. Mains frequency: 50 or 60 Hz. Axial thrust: up to 4000 N. Circulating rate: up to 15310 m³/h. Propeller diameter: to 2650 mm. Coolant/medium temperature: max. 60 °C. Mechanical seal: Pairing of SIC/SIC. Submersion depth: max. 20 m.
- Housing GG25
- Seal holder Stainless steel 1.4301 (V2A), optionally stainless steel 1.4571 (V4A)
- Connecting elements Stainless steel 1.4301 (V2A)
- BTP propeller Stainless steel 1.4301 (V2A)
- ATP propeller High-strength wear-free polymer with steel core
- Propeller shaft Not in contact with medium 1.7225
- Mechanical seals Silicon carbide
- Slide Stainless steel 1.4301 (V2A), optionally stainless steel 1.4571 (V4A)
- Corrosion protection Inertol Poxitar for standard applications
- Ceramic coating or the like for aggressive media, or according to customer request
- For use in potentially explosive atmospheres, ATP/BTP submersible agitators are available in the "pressure-tight encapsulation" explosion protection category (Ex d) according to ATEX (zones 1 and 2)
- Temperature monitoring in the motor winding
- Monitoring of the seal system by "streisal Toplimiter" leakage probe in tandem version, i.e. with two mechanical seals and oil chamber on the inlet side
Slow-running submersible agitators of the ATP/BTP type permit gentle circulation of large quantities of liquid. With large diameters and low speeds, these agitators generate maximum thrust with the smallest possible use of energy or electricity. By combining different motors, gear units and propeller types/sizes, it is possible to offer submersible motor agitators with the appropriate performance for a wide range of applications: flow generation, circulation, suspension of solids such as in water treatment, process technology, etc.
For use in potentially explosive atmospheres, the submersible motor agitators in the ATP/BTP series are available in the "pressure-tight encapsulation" explosion protection category II 2G Ex d ib IIB T3 according to ATEX. The maximum coolant/medium temperature is 60 °C.
The use of propellers with optimum hydraulic design, different gear unit ratios and high-efficiency motors (IE2 and IE3 according to IEC 60034-30) achieves maximum overall efficiency.
t has been shown in practice that reliability and durability of shaft seals are decisive criteria for trouble-free operation. The unique seal system from streisal offers a range of advantages:
- Two highly wear-resistant silicon carbide mechanical seals (tandem version)
- Mechanical seals are protected by being mounted in a stainless steel holder
- Spring elements on the inside, not in contact with the medium
With large propeller diameters and low speeds, these submersible agitators develop maximum thrust. The flexible positioning and alignment means that the flow direction can be adapted to the particular tank shape. The self-cleaning propeller shape ensures a constantly high agitating effect and operation without vibration, even when the medium contains fibres.