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BAFA funding opportunity for heating system optimization through the replacement of heating circulation pumps with high-efficiency circulation pumps

rendeMIX multi-way mixing manifold with 3/2-way tangential mixing valve DN25×G1½(a) Ms cast iron (red adapter), valve body and cover Ms58

For highly efficient utilization of the return flow from an unmixed high-temperature circuit in a mixed low-temperature circuit through highly efficient operation of a system separation via flow control on a condensing boiler, a stratified storage tank, or a heat transfer station

Actuator EMS 240, 230 V AC, 50 Hz, 3.5 VA, 3-point signal, 5 Nm (240 h), 240°, 93s

Dual-circuit manifold assembly with 2 connections to the heat source and 4 connections to the heat sinks, Cu Ø35×1, DN32×G1½(a) flat, pipe spacing 100 mm

3 integrated gravity brakes/backflow preventers, Dp 10 mbar

Direct heating circuit (HT): Kvs = 11.9 × V'max[100 mbar] = 3.8 m³/h × Q'max[20 K] = 88 kW - Mixing circuit (NT) with ST DN25s: Kvs = 7.2 × V'max[100 mbar] = 2.3 m³/h × Q'max[10 K] = 27 kW × Leak rate < 0.1%<br/>6 thermometers 0–120°C, Ø63 mm, solder sleeves Ms58<br/>6 ball valve fittings, straight-through DN25s, PN20, G1½(i)×Rp1 flat-seal, stuffing box, stem with nylon T-handle<br/>EPP insulation mold, 40 g/l, black, 450×450 mm, Quick-installation kit<br/>With pump flange G1½(i) for DN25 pump on the unmixed heating circuit supply line (3)

Assembly includes ONE pump compensator—PAS L180—with G1½(a)×G1½(i) threaded connections to compensate for a DN25 pump, length 180 mm, insulated (Part No.: 001 338)<br/>With built-in, highly efficient Grundfos UPM3 pump, DN25, 130 mm, H 5–6 mWS, 230 V~ 50 Hz, 2 m connection cable, EEI < 0.2<br/>Model DN 25 – heavy-duty version, PN 10 bar, Tmax 120°C<br/>CAUTION: CANNOT BE USED WITHOUT SYSTEM ISOLATION!

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