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Circulation pumps for heating systems and underflo

Wilo

Application

Glandless circulation pumps Wilo Star-RS with threaded connection Circulation pump with wet rotor and threaded connection. Preset speed stages for power adjustmentMaterials:

  • Pump housing: gray cast iron
  • Impeller: reinforced polypropylene
  • Pump shaft: stainless steel
  • Bearings: metal-graphite

Application area

Heating systems, industrial circulation systems, cold water supply and air conditioning systems

Designation

Example:Wilo- Star-RS 25 /4-130
  • Star-RS -circulating pump with wet rotor for burning systems
  • 25 /-connection diameter, mm
  • four -maximum pump head, m
  • 130 -assembly length, mm

Specifications

  • Threaded connection Rp ½, Rp 1, Rp 1 ¼
  • Motor speed selector (3 steps) to select the optimal pump power
  • Simple and safe installation thanks to the key on the pump body
  • Terminal box with cable routing power supply on both sides
  • Simplified connection of electrical wires when using spring terminals
  • Resistant to blocking currents
  • Nominal pressure: PN10
  • Protection class: IP 44
  • Permissible temperature range of the coolant: -10 ... +110 ° C
  • Electrical connection: 1 ~ 230V, 50Hz

Performance characteristics

Рабочие характеристики циркуляционных насосов WILO - STAR-RS

Range of Wilo-Star-RS circulation pumps for heating systems, installation length 180 mm

Pump Energy efficiency class ∅ connection [mm] Threaded connection Max. Power, W] Max. head [m] Weight, kg]
Star-RS 25/2 C 25 Rp 1 45 2 2.5
Star-RS 25/4

B

25 Rp 1 48 four 2.5
Star-RS 25/6 C 25 Rp 1 84 6 2.7
Star-RS 25/7 D 25 Rp 1 132 7 2.9
Star-RS 25/8 D 25 Rp 1 151 8 3.6
Star-RS 30/2 C thirty Rp 1¼ 45 2 2.7
Star-RS 30/4 B thirty Rp 1¼ 48 four 2.7
Star-RS 30/6 C thirty Rp 1¼ 84 6 2.8
Star-RS 30/7 D thirty Rp 1¼ 132 7 3.0
Star-RS 30/8 D thirty Rp 1¼ 151 8 3.7

Series of circulation pumps Wilo-Star-RS for underfloor heating, installation length 130 mm

Pump Energy efficiency class ∅ connection [mm] Threaded connection Max. Power, W] Max. head [m] Weight, kg]
Star-RS 15 /2-130 C 15 Rp ½ 45 2 2.2
Star-RS 15 /4-130

B

15 Rp ½ 48 four 2.2
Star-RS 15 /6-130 C 15 Rp ½ 84 6 2.3
Star-RS 25 /4-130 B 25 Rp 1 48 four 2.3
Star-RS 25 /6-130 C 25 Rp 1 84 6 2.3
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