- Long and trusted experience in all industrial segments
- Excellent performance
- Exceeds standard requirements of international ISO 5199 and ISO 2858 standards
- Suitable for the most demanding industrial applications
- Unique and superior design features minimize life-cycle costs
- Quick and easy installation, safe operation, easy maintenance and service
PN25 pump BK NK
Hot liquids warmly welcomed
BK/NK centerline-supported end suction single-stage centrifugal pumps are designed for demanding industrial hot liquid pumping applications to ensure process reliability, high efficiency and low operating costs.
Limited availability. Please contact your local sales representative for more information.
- Clean and lightly-contaminated liquids
- Viscose liquids
- Fibrous slurries
Main design features
- Versatile, reliable, high-efficiency hydraulics and material
- Innovative shaft sealing solutions for reliable operation and reduced costs
- Reliable, heavy-duty bearing unit with a variety of different lubrication options
- Centerline-supported case prevents distortion and misalignment caused by high temperature and pressure
- Modular design minimizes spare parts inventory
|Capacities||Up to 1,400 l/s (22,000 US gpm)|
|Heads||Up to 160 m (525 ft)|
|Pressures||Up to 2.5 MPa (360 psi)|
|Temperatures||Up to 300°C (572°F)|
|Discharge sizes||From 32 mm (1.5 in) to 350 mm (14 in)|
|Maximum speed of rotation||Up to 3,600 rpm|
PumpsAs one of the world's leading pump manufacturers, Sulzer provides a wide range of products for engineered, configured, and standard pumping solutions as well as essential auxiliary equipment. We are renowned for our state-of-the-art products, performance reliability and efficient solutions.
Agitators, dynamic mixersSulzer SALOMIX® and Scaba mixing and agitation technology offers a wide range of products for industrial applications. Side-mounted horizontal and top-mounted vertical agitators, dynamic chemical mixers, and tower and tank flow management products guarantee effective mixing and agitating processes.
Sulzer mechanical sealsSulzer mechanical seals are strong by design and have been proven very reliable in various pumping applications.
Scanpump original pump spare partsOriginal Scanpump pump spare parts ensure optimum pumping performance. High-quality spare parts are available with quick and reliable delivery, and are based on the latest original drawings.
Pump servicesReliable and efficient pump operation is critical for your business. Therefore you need a service partner that can respond fast and flexibly. Our pump services are second to none and provide solutions that help you to improve your processes and business performance.
Service kitsWhen your equipment needs to be repaired you shouldn’t have to worry about spending valuable time searching for the right parts – or even worse, finding out that some small but vital parts are missing. With Sulzer service kits you get everything you need in one package.