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RS25/4b Circulation Pump, Hot -Cold Water Pump
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**Product Specifications:**
- **Model No.:** RS25/4b
- **Industry:** Circulating Pump
- **Model:** RS25/4b
- **Wire:** Copper
- **Max. Flow:** 48/40/23 L/min
- **Inlet/Outlet:** 1½"
- **Net Weight (N.W):** 2.4kg
- **Trademark:** WEDO BRAND
- **Transport Package:** Carton
- **Specification:** CE
- **Origin:** China
**Product Images:**
**Product Details:**
- **Model:** RS 25/4B
- **Power:** 72/53/38W
- **Max. Flow:** 48/40/23L/min
- **Max. Head:** 4.5/4/3 m
- **Inlet/Outlet:** 1½"
- **Net Weight:** 2.4 kg
**Technical Data:**
- **Suitable Fluids:** Heating water (VDI203), heating water, and water/glycol mixtures (max. ratio 1:1)
- **Fluid Temperature Range:** -10°C to 110°C
- **Ambient Temperature:** Up to 40°C
- **Mains Power:** 220V, 50Hz
- **Motor Protection Class:** IP44
- **Insulation Class:** F
- **Construction Materials:**
- Pump body: Cast iron
- Impeller: PP
- Shaft: Ceramic
- Bearing: Ceramic
- **Mounting:** Horizontal axis
**Pump Equipment:**
- Screwed end single head pump
- Manual 3-speed control
- Non-overloading single phase
**Table of Technical Parameters:**
| Model | Power (W) | Max. Flow (L/min) | Max. Head (m) | Inlet/Outlet | N.W (kg) |
|-----------|-------------|-------------------|---------------|--------------|----------|
| RS 25/4B | 72/53/38 | 48/40/23 | 4.5/4/3 | 1½" | 2.4 |
**Description:**
The RS25/4b Circulating Pump is ideal for various applications such as hot water circulation systems, industrial cooling systems, and air conditioning units. It offers a speed range of 1100–2200 RPM and features a manual 3-speed control. The pump can handle fluid temperatures from -10°C to +110°C with a maximum working pressure of 6–10 bar. It operates on a single-phase 220V, 50Hz power supply and requires the pump shaft to be mounted horizontally.
This pump is constructed with high-quality materials, including cast iron for the pump body, PP impeller, and ceramic bearings for long-lasting performance. It comes in a standard carton package along with an operation and maintenance manual to ensure safe and efficient use.
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