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Design
Glandless circulation double pump with threaded connection; Preselectable speed stages for power adjustment
Type key
| Example: | Wilo‐Star‐RSD 30/4 | | Star-RSD | Standard pump (screw-end pump) | | D | Double pump | | 30/ | Nominal connection diameter | | 4 | Nominal delivery head [m] at Q = 0 m3/h |
Special features/product advantages
- Double pump for single or parallel operation
- Suitable for any installation position with horizontal shaft; terminal box in 3‐6‐9‐12 o'clock position
- Increased reliability in individual operation due to the constant availability of a standby unit ready for operation
Technical data
- Permissible temperature range ‐-10°C to +110°C
- Mains connection 1~230 V, 50 Hz
- Protection class IP 44
- Threaded connection Rp 1¼
- Max. operating pressure 10 bar
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Equipment/function
Operating modes Manual functions - Selection of speed stages (3 speed stages)
Equipment - Double switchover valve in pump housing
- Cable entry possible on both sides
- Quick connection with spring clips
- Blocking current-proof motor
Materials
- Pump housing: Cast iron
- Impeller: Plastic
- Shaft: stainless steel
- Bearing: metal-impregnated carbon
Scope of delivery
- Double pump
- Seals
- Installation and operating instructions
Accessories
- Screwed connections
- Adapter fittings
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