Circulation Pump Wilo Star-RS 30/7
Glandless circulation pump for installation in pipes with manual three-stage speed control.With blocking current-resistant motor. Pump body in gray cast iron (bronze depending on type), impeller in glass-fibre reinforced synthetic material, stainless steel shaft with metal impregnated carbon plain bearings. Series application in cold water systems down to -10 °C.Reliable operation due to perforated shaft and filtering device in front of the cartridge
SKU 4037311 Dimensions/weight Weight, kg 3.7 Materials Pump shaft Stainless steel (X40Cr13) Pump housing Gray cast iron Bearings Metal graphite Working wheel Synthetic material (polypropylene - 40 GF) Order data EAN number 4048482005799 Product Wilo Type Star-RS 30/7 Colour green Permissible pumped medium (other media on request) Heating water (according to VDI 2035) • Water glycol mixture (max. 1:1; above 20% glycol, performance check required) • Permissible scope Temperature range at max. ambient temperature +40 ,°C -10...+110 Max. permissible operating pressure Pmax, bar 10 Motor/Electronics Motor protection not required (resistant to blocking currents) Insulation class F Network connection 1~230V, 50Hz Noise immunity EN 61000-6-2 Current consumption I, A 0,30 / 0,42 / 0,58 Power consumption P1, W 62 / 92 / 132 Speed control - Threaded entry for PG cable 1x11 Created interference EN 61000-6-3 Degree of protection IP 44 Speed N, rpm 2300 / 2650 / 2800 Electromagnetic compatibility EN 61800-3 Minimum suction pressure to avoid cavitation at pumped water temperature Minimum inlet pressure at liquid temperatures 50/95/110°C, m 0,5 / 3 / 10 Pipe connections Mounting length L0, mm 180 Thread G2 Threaded pipe connection Rp1¼ Type
Glandless circulation pump with threaded connection. Preset speed steps for power adjustmentApplication
Heating systems, industrial circulation systems, cold water supply systems and air conditioning systemsDesignationExample: Wilo-Star-RS 25/4Star-RS Standard Pump (Threaded Pump)25/ Nominal diameter Rp4 Nominal delivery head [m]Q = 0 m3/h
Product features/benefits
• Suitable for mounting in any position with a horizontal shaft; terminal box at 3-6-9-12 o'clock position
• Three preselectable speed stages for load adaptation
• Simple and secure installation thanks to practical turnkey moldings on the pump housing
• Simplified wiring thanks to the removable cable gland of the terminal box, which can be connected on both sides; quick connection with spring terminalsSpecifications
• Permissible temperature range -10° C to +110° C
• Mains connection 1~230 V, 50 Hz
• Degree of protection IP 44
• Threaded connection Rp ½, Rp 1 or Rp 1¼
• Max. operating pressure 10 barEquipment/functions
Operating modes
• Switching speed stagesManual control
• Setting the speed steps (3 steps)Equipment
• Turnkey drain on the pump housing
• Possibility of double-sided cable entry
• Quick connection with spring terminals
• Blocking current-resistant motorMaterials
• Pump housing: Gray cast iron
• Impeller: Synthetic material
• Shaft: Stainless steel
• Bearings: metal graphiteOptions
• Version ...RG with bronze body
• Execution ...-130 with a small overall length of 130 mm
