DWB closed impeller single-phase motor (thermal protector) air conditioning pump
Model :
DWB50/025Imported caliber (DN) :
G1 1/4Export caliber (DN) :
G1Rated flow (m³/h) :
3Rated head (m) :
12Motor speed (rpm) :
2900Motor power (kw) :
0.25FOB Price (USD$) :
57.32DWB Air conditioning system pump
Features
Overflow parts and shaft are made of stainless steel(304 or 316);
Volute pump body, hydraulic expansion technology, efficient, compact and firm.
Mechanical shaft seal, safe and reliable.
Single phase motor is equipped with USA Tl thermal protector.
Application
Air-condition or cooling system
Pure water or drinking water botting
Industrial washing
Swimming pool system
DWB 50 Working conditions
Medium temperature:
Standard model:-20℃~+70℃
High temperature:-20℃~+104℃
Environmental temperature:≤+50℃
Max. working pressure:0.3MPa
Medium temperature:
Low temperature: -20 ~ +70℃
standard model: +15~+70℃
high temperature:+70~+104℃
Environmental temperature: ≤50℃
Max.working pressure: 1.0MPa
Performance curves


Performance curves
| Model | Power(P2) kW |
Amps | Rated head (m) |
Rated flow (m³/h) |
DNA | DNM | G.W(KG) | Packing size(mm ) | |
| 220V/50Hz | 380V150Hz | ||||||||
| DWB50/025(T) | 0.25 | 2.0 | 0.7 | 12 | 3 | G1 ¼ | G1 | 6.4 | 335x195x235 |
| DWB50/037(T) | 0.37 | 2.4 | 1.0 | 14 | 3 | G1 ¼ | G1 | 6.4 | 335x195x235 |
| DWB250/055(T) | 0.55 | 3.8 | 1.4 | 7.5 | 15 | G1 ½ | G1 ½ | 8.7 | 380x205x275 |
| DWB250/075(T) | 0.75 | 5.2 | 1.8 | 11 | 15 | G1 ½ | G1 ½ | 9.8 | 380x205x275 |
| DWB250/100(T) | 1.0 | 6.2 | 2.4 | 12 | 14 | G1 ½ | G1 ½ | 10.7 | 380x205x275 |
| DWB300/1.1(T) | 1.1 | 7.0 | 2.6 | 14.5 | 18 | G2 | G2 | 16 | 430x250x325 |
| DWB300/1.5(T) | 1.5 | 9.2 | 3.5 | 17 | 18 | G2 | G2 | 17.6 | 430x250x325 |
| DWB500/1.5(T) | 1.5 | 9.2 | 3.5 | 10 | 30 | G2 | G2 | 17.6 | 430x250x325 |
| DWB500/2.2(T) | 2.2 | 14 | 4.9 | 15 | 30 | G2 | G2 | 20 | 475x250x325 |
| DWB500/3.0T | 3.0 | - | 6.3 | 17 | 30 | G2 | G2 | 23.8 | 490x250x325 |
Overall dimension

DWB 250
| NO. | Name |
| 1 | Dust cap |
| 2 | O-Ring |
| 3 | Inside hexagonal bolt |
| 4 | Pump housing component |
| 5 | O-Ring |
| 6 | Plug |
| 7 | O-Ring |
| 8 | Hexagonal Nut |
| 9 | Washer |
| 10 | Spring washer |
| 11 | Impeller |
| 12 | Mechanical seal |
| 13 | Pump Cover |
| 14 | Motor |