preview

DUMVbox DN25s 2x3 CUW1

Item number: 001 318

rSTOR C

For constant control of the flow temperature in hot water systems with buffer tanks (precise top-loading) and for highly efficient two-zone charging of a buffer tank by a heat generator with minimal circulation during heating operation and when domestic hot water production takes priority; connection BELOW a ball valve connection set, PARTIAL CHARGING of the heating zone (up to the purple connection)

Gross price €9,999.00
Your price
€9,999.00 plus VAT.
Delivery time depends on the recipient country

Configure product variant

Nominal diameter

Product documentation

Assembly instructions for motors

Spare parts drawing

Tender text

BAFA funding opportunity for heating system optimization through hydraulic balancing and the installation of separate control technology<br/>rendeMIX dual-switching mixing valve consisting of a 3-way switching valve and a 3-way mixing valve, both DN32×G1½(a) Ms58, spindle and cover Ms58<br/>For constant regulation of the flow temperature in domestic hot water systems using buffer tanks (precise top-loading) and for highly efficient two-zone charging of a buffer storage tank by a heat generator with minimum circulation during heating operation and when domestic hot water production takes priority, connection BELOW a ball valve connection set, PARTIAL LOADING of the heating zone (up to the purple connection)<br/>Switching circuit: Actuator EMS 90-2P, 230V~ 50Hz 2.3VA 2-point signal, 6Nm (240h), 90°, 60s, left-closing, gray adapter. Mixing circuit: Actuator EMS 90-3P, 230V~ 50Hz 3.5VA 3-point signal, 5Nm (240h), 90°, 70s, gray adapter<br/>Changeover assembly with 3 connections to the buffer tank, Cu Ø35×1, pipe spacing to the heat generator 200 mm, pipe spacing to the buffer tank 100 mm, DN32×G1½(a) flat<br/>1 integrated gravity brake/backflow preventer, Dp 10 mbar<br/>Generator circuit (NT): Kvs = 10.1 &#x95; V'max[250 mbar] = 5.1 m³/h &#x95; Q'max[20 K] = 119 kW &#x95; Q'max[10 K] = 59 kW &#x95; Leak rate < 0.1%<br/>5 thermometers 0–120°C, Ø63mm, solder sleeves Ms58<br/>2 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, 300×450 mm, quick-assembly kit<br/>Without pump flanges<br/>Assembly does NOT include pump compensator – PAS L180 (Part No.: 001 338)<br/>With blind fitting consisting of a G1½ brass union nut, stainless steel washer, and insulating cap<br/>Model DN 25 – heavy-duty version, PN 10 bar, Tmax 120°C

Performance data

Generator circuit (NT): Kvs = 10.1 • V'max[250mbar] = 5.1m³/h • Q'max[20K] = 119kW • Q'max[10K] = 59kW • Leakage rate < 0.1%