hot water pump manufacturer
hot water pump manufacturer
hot water pump manufacturer

Basic 25-12F 115V/60Hz North America circulation pump

Technical data

Pump Body Length

6 1/2 Feet

Power

 335W

Max.flow

 36 GPM

Max head

 36 Feet

Current

 1.5A

Voltage/ Frequency

 230V 50HZ

Pump housing

 Cast iron

Pumped liquid

 Water

Insulation class

 H

Degree of Protection

 IP44

Liquid temperature range

 2-110℃

Max System Pressure

 1.0MPA

  • Item NO.:

    Basic 25-12F

1. Basic series circulator pump, researched and developed by scientific research personnel of our company has following merits : low noise, low leakage, environmental protection, elegant appearance, easy installation, reliable operation and so on.

2. It can be used for single and double-heating systems and large-scale mixed-loop system.

3. It also can be used to supply water and add pressure for mansion of city, villa of suburb, house to match with industrial equipment, to supply water in cycle for cooling air-condition,boiler and solar energy, supply hot water and keep warm in cycle,etc

1. Users can choose models of pump according to the flow, head, power, current etc.

2. The pumps have union connection,flange connection and sweat connection. If customers have some special request, we can design it for you.

3. Material of pump body is usually cast iron, generally used under these conditions, considered to be closed systems pumping water or water/glycol mixtures.

4. If the water conditions exist are not compatible with cast iron, we recommend the bronze or stainless steel, such as the heating system or cycling the potable water in the open system.

Running Conditions

1. Power Source: Voltage115V-230V,Frequency:60Hz

2. The greatest pressure of the system: No more than 145psi (10bar)

3. To avoid NHP damage to the pump bearing, pumps should be maintained the minimum pressure: (In a pressure system, the required inlet pressure is the allowable system pressure. In a system open to the atmosphere, the required inlet pressure is the minimum distance the pump must be located below the lowest possible water level of the water source.

 

Liquid Temperature

185F(85℃)

194'F(90℃)

230F(110℃)

Entrance Pressure

2t(0.6m) Head

10 ft(3m) Head

33 ft(10m) Head

0.7psi(005bar)

4psi(0 28bar)

14.5psi(1bar)

         

         

4. Transmission Fluid: Lean.clean,non-corrosive and non explosive liquids. and without any solid particles fibers or mineral oil. Pump absolutely must not be used to transport flammable liquids such as diesel and petrol.

5. The pumps should work under air temperature of the environment range of32℉(0℃)~104℉(40C), liquid temperature range of 36F(2℃)~230F(110℃). And the ambient temperature should always be lower than the liquid temperature.(One special model:GPD25-12SF, the highest liquid temperature is150F(66℃). Note:If the pump is equipped with a timer, the maximum liquid temperature is150℉(66℃).

Structure of Pumps

1. The main parts of the pump are: pump body, impeller, stator, rotor, shielding sets, gas screws and so on. 

2. Sealing: The pump doesn't use mechanical seal. Stator and rotor are sealed with stainless steel shield. Overall Structure is shielded with two heat-resistant rubber gasket sealed to avoid leakage.

3. Lubrication and Cooling:The pump used in inline cycle. the bearing is lubricated and cooled by water.

4. Motor: The motor is a 2-pole asynchronous squirrel-cage PSC motor.It is class H insulation and equipped with thermal protection. Basic series are single-speed,Basic S series are three-speed. Basic series can be equipped with timer control to fix the time that pump works.Motor horsepower range from 1/25 to 1/6, and power consumption from 25W to 335W

Basic 25-12F

Automatic Hot Water Pressure Booster Pump

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