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3-Way unmixed pump unit with by-pass

3-Way unmixed pump unit with by-pass

 

The unit for 1” (180 mm) circulating pumps consists of:

SUPPLY:

  • Connection.
  • Flanged ball valve with T-handle.
  • Circulating pump with press-cable (for the models with it).
  • Flanged ball valve supplied with in-handle thermometer (coded red, range 0°C-120°C).

Balancing by-pass valve (0-0,5 bar)

 

RETURN:

  • Flanged ball valve with non return valve 20 mbar (which can be excluded by rotating the handle by 45°) supplied with in-handle thermometer (coded blue; 0°C-120°C).
  • Connection.
  •  

Centre distance 125 mm. EPP insulation box (Measurements: 250x380x190 mm).

PN 10. Max Temperature 110°C.

External connections: 1” or 1”1/4 Female.

 

FIELD OF UTILIZATION:

For power up to 50 kW (with Δt 20 K) and maximum flow 2150 l/h.

Kvs Value: 8,0.

Approximate data calculated with a 6 m nominal lifting power circulating pump.

For an accurate measuring or for higher flows, please refer to the curves shown in the technical section.

 

Available circulating pumps:

 

Wilo Star RS 25/6 (W6)

Grundfos UPSO 25-65 (G60)

Wilo Star RSG 25/8 (RSG8)*

 

Code 1”: 20358(R/L) - with circ. pump: 20358(R/L)-(W6/G60/RSG8)

Code 1”1/4: 20458(R/L) - with circ. pump: 20458(R/L)-(W6/G60/RSG8)

 

“R” Codes: pump units with right supply. f.i. 20358R; “L”Codes: pump units with left supply. f.i. 20358L.

(*) The pump units with circulating pump Wilo RSG 25/8 (RSG8) are not reversible. They are available only with right supply way.






  • Model: M3