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RS25/4b Circulation Pump, Hot -Cold Water Pump
Model No.: RS25/4b
Industry: Circulating Pump
Model: RS25/4b
Wire: Copper
Max. Flow: 48/40/23 L/min
Inlet/Outlet: 1½"
N.W: 2.4kg
Trademark: WEDO BRAND
Transport Package: Carton
Specification: CE
Origin: China
Model: RS 25/4B
Power: 72/53/38W
Max. Flow: 48/40/23 L/min
Max. Head: 4.5/4/3 m
Technical Data:
- Suitable fluids: Heating water (VDI203), heating water, and water/glycol mixtures (max. mixing ratio 1:1)
- Fluid temperature range: -10°C to 110°C
- Ambient temperature permissible up to 40°C
- Mains power: 220V, 50Hz
- Motor: IP44 protection, insulation class F
Construction Materials:
- Pump body: Cast iron
- Impeller: PP
- Shaft: Ceramic
- Bearings: Ceramic
- Mounting shaft in horizontal plane
Pump Equipment:
- Screwed end single head pump
- Manual 3-speed control
- Non-overloading single phase
Specifications Table:
| 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 is a high-performance hot and cold water circulation pump designed for a wide range of applications. It is ideal for heating systems, industrial water circulation, and air conditioning cooling systems. The pump features a 3-speed manual control, allowing users to adjust the flow rate as needed.
Key Features:
- Operating speed range: 1100–2200 rpm
- Fluid temperature range: -10°C to +110°C
- Maximum working pressure: 6–10 bar
- Environmental temperature limit: Up to +40°C
- Power supply: 1~220V, 50Hz
- Pump axis must be mounted horizontally
- Includes full packaging and operation/maintenance manual
This circulation pump is built with durable materials such as cast iron, PP impellers, and ceramic bearings, ensuring long-lasting performance and reliability. It is certified under CE standards and manufactured in China.
Whether you need it for residential or commercial use, the RS25/4b offers efficient and stable performance, making it a reliable choice for your water circulation needs.