Reduction set for pump group assembly DN32 to manifold DN25 for pump group (Logos R044401007)

Reduction set for pump group assembly DN32 to manifold DN25 is a mechanical adapter kit designed to connect a pump group with DN32 connections to a manifold that has DN25 ports. Manufactured by Logos, the set provides the physical transition required to match differing nominal pipe diameters, enabling correct hydraulic connection and alignment in systems for heating, hot water circulation, and pump station maintenance or retrofit.

Advantages

The reduction set offers a compact and reliable solution for adapting DN32 pump group outlets to DN25 manifolds without extensive pipe rework. Its design maintains flow alignment and mechanical stability, reducing the need for custom fittings. The components are suited for standard installation practices and help preserve the integrity of existing installations while allowing the integration of pump groups with different nominal diameters.

Suitable for

• Installation of pump groups with DN32 connections onto DN25 manifolds
• Heating system pump station retrofits and upgrades
• Hot water circulation systems requiring diameter adaptation
• Maintenance work where replacing manifolds is not practical

Key specifications

• Connection adaptation: DN32 (pump group side) to DN25 (manifold side)
• Function: mechanical reduction to enable hydraulic connection between differing nominal diameters
• Application: compatibility with pump group assemblies used in heating and hot water circulation
• Material characteristics: corrosion-resistant components suitable for typical heating system media (water, water-glycol mixes)
• Mounting: designed for inline installation between pump group and manifold with standard fastening methods

How to use

Position the reduction set between the pump group DN32 outlet and the DN25 manifold port, ensuring correct alignment of mating faces and sealing surfaces. Secure the connections using the appropriate gaskets, seals or threaded fittings as provided or as required by the system design, and tighten to the recommended torque for the installation hardware. After mechanical installation, pressure test the joint at working pressure to confirm leak-free operation before resuming normal system service.

Usage recommendations

Verify that the reduction set materials are compatible with the system fluid and operating temperatures. Use proper sealing elements and follow applicable installation standards. When in doubt about flow rates or hydraulic effects caused by the diameter change, consult system documentation or a qualified technician to confirm suitability for the intended application.