Tender text

BAFA Funding Opportunity for Heating System Optimization Through Hydraulic Balancing and Installation of Separate Control Technology<br/>rendeMIX Multi-Port Mixing Manifold with 3/3-Way Tangential Mixing Valve DN25×G1½(a) MsGuss (green adapter) and 3-way mixing valve DN32×G1½(a) Ms58, valve body and cover Ms58

For highly efficient two-zone discharge of a buffer tank in a mixed low-temperature circuit (2nd mixing circuit) with highly efficient utilization of the return flow from a mixed high-temperature circuit (1st mixing circuit)

1. Mixing circuit: Actuator EMS 90-3P, 230V~ 50Hz 3.5VA 3-point signal, 5Nm (240h), 90°, 70s, gray adapter. 2nd mixing circuit: EMS 240 actuator, 230 V~ 50 Hz, 3.5 VA, 3-point signal, 5 Nm (240 h), 240°, 93s<br/>Two-circuit manifold assembly with 3 connections to the heat generator (buffer tank or boiler with flue gas heat exchanger), Cu Ø35×1, pipe spacing 100 mm, DN32×G1½(a) flat<br/>2 integrated gravity brakes/backflow preventers, Dp 10 mbar<br/>1st mixing circuit (HT): Kvs = 12.5 &#x95; V'max[100 mbar] = 4 m³/h &#x95; Q'max[20K] = 93 kW &#x95; Leakage rate < 0.1% - 2nd mixing circuit (NT): Kvs = 6.2 &#x95; V'max[100 mbar] = 2 m³/h &#x95; Q'max[10 K] = 23 kW &#x95; Leak rate < 0.1%<br/>7 thermometers 0–120°C, Ø63 mm, solder sleeves Ms58<br/>7 ball valve fittings, straight-through DN25, PN32, G1½(i)×Rp1 flat-seal, stuffing box, sealing hole, stem with aluminum wing handle

EPP insulation shell 40 g/l, black, 450×450 mm, Quick-installation kit<br/>With G1½(i) pump flanges for DN25 pumps on the 1st mixed high- (3) and 2nd mixed low-temperature circuit supply lines (5)<br/>Assembly does NOT include a pump compensator—PAS L180 (Part No.: 001 338)<br/>Assembly does not include a pump<br/>Model DN 25 – lightweight version, PN 10 bar, Tmax 120°C

Performance data