ZEN Circulation PumpApplication Limitations◎ Liquid temperature: + 2°C - + 110°C◎ Maximum ambient temperature + 40°C◎ Maximum pressure 10 bar.◎ Protection class: IP44◎ Connection to power source: 220V / 50Hz◎ Insulation class: H◎ Fluid pumping characteristics: Clean, free of solid and......
◎ Liquid temperature: + 2°C - + 110°C
◎ Maximum ambient temperature + 40°C
◎ Maximum pressure 10 bar.
◎ Protection class: IP44
◎ Connection to power source: 220V / 50Hz
◎ Insulation class: H
◎ Fluid pumping characteristics: Clean, free of solid and mineral oils, non-toxic, chemically neutral, similar to water properties
◎ Installation: The motor axis should be in horizontal direction
◎ pH: 6,5 - 8,5
◎ Three-speed regulation
◎ Low noise
◎ No leakage
Maximum flow: 10 m3/h
Maximum water pressure: 12 m
ZEN pumps are designed to circulate fluid in heating and air conditioning systems. Pumps with a bronze or stainless steel body are also suitable for hot water systems. Typical applications include hydrothermal/geothermal hybrid heating systems, air-powered hot water circulation systems, solar hot water circulation systems, etc.
◎ The product can be customized according to the customer's voltage and frequency.
◎ Brass pump body, enameled pump body, stainless steel pump body
| Pos. |
Component | Material |
| 1 | Nameplate | PA6 |
| 2 | Air valve | Brass |
| 3 | O-ring | EPDM |
| 4 | Hex head screws | Steel |
| 5 | Stator housing | Aluminum |
| 6 | Stator | / |
| 7 | O-ring II | EPDM |
| 8 | Rotary can | Stainless steel |
| 9 | O-ring l | EPDM |
| 10 | Working wheel Val Thrust bearing Radial bearing |
PESG30 Ceramics Graphite Ceramics |
| 11 | Pump housing | Cast iron |
| 12 | Terminal box cover | ABS |
| 13 | Condenser | / |
| 14 | Printed circuit board | / |
| 15 | Self-tapping screw | Stainless steel |
| 16 | Capacitor bracket | ABS |
| 17 | Screws | Steel |
| 18 | Terminal box base | PA66G30 |
| 19 | Terminal box seal | EPDM |
| Model | Dim.(mm) | Unions or flange |
N.W (kg) | ||||||||
| H | H1 | L | G | B | D1 | D2 | D3 | D4 | |||
| ZEN15-4-130 | 120 | 105 | 130 | G¾" | 125 | _ | _ | _ | _ | G¾"to G½" | 2.3 |
| ZEN15-6-130 | |||||||||||
| ZEN15-9-140 | 125 | 102 | 140 | G¾" | 105 | _ | _ | _ | _ | G¾"to G½" | 2.6 |
| ZEN20-4-130 | 125 | 105 | 130 | G1" | 130 | _ | _ | _ | _ | G1"to G¾" | 2.5 |
| ZEN20-6-130 | |||||||||||
| ZEN25-4-130 | 125 | 105 | 130 | G1½" | 130 | _ | _ | _ | _ | G1½"to G1" | 2.8 |
| ZEN25-6-130 | |||||||||||
| ZEN25-4-180 | 125 | 105 | 180 | G1½" | 130 | _ | _ | _ | _ | G1½"to G1" | 3 |
| ZEN25-6-180 | |||||||||||
| ZEN32-4-180 | 130 | 105 | 180 | G2" | 130 | _ | _ | _ | _ | G2"to G 1¼" | 3.4 |
| ZEN32-6-180 | |||||||||||
| ZEN20-12-180 | 160 | 135 | 180 | G1" | 150 | _ | _ | _ | _ | G1"to G¾" | 4.6 |
| ZEN25-8-180 | 160 | 130 | 180 | G1½" | 150 | _ | _ | _ | _ | G1½"to G1" | 4.8 |
| ZEN25-12-180 | |||||||||||
| ZEN32-8-180 | 170 | 130 | 180 | G2" | 150 | _ | _ | _ | _ | G2"to G 1¼" | 5.2 |
| Model | Speed | Input power P1(W) |
Current(A) | Condenser | Distance between pipes (mm) |
MAX. EFFORT (m) |
All elevator (m) |
MAX. FLOW (m3/h) |
Inter Box |
Outer box |
20" Loading Qty(pcs) |
||||||
| μF/450V | μF/250V | ||||||||||||||||
| 220V 50Hz | 220V 60Hz | 127V 60Hz | 220V 50Hz/60Hz | 127V/60Hz | G.W (kg) | Smoke. (L×W×H) | PCS/CTN | Smoke. (L×W×H) | G.W. (kg) | ||||||||
| ZEN15-4-130 |
3 2 1 |
60 45 30 |
0.26 0.20 0.13 |
/ | / | 2 | / | 130 | 4 | 0~4 | 2 | 2.5 | 150x130x140 | 8 | 320×280×300 | 21 | 6664 |
| ZEN15-6-130 |
3 2 1 |
90 65 45 |
0.40 0.30 0.20 |
0.40 0.30 0.20 |
0.80 0.65 0.4 |
2.5 | 6 | 6 | 0~6 | 2 | |||||||
| ZEN15-9-140 |
3 2 1 |
120 85 60 |
0.48 0.38 0.26 |
0.48 0.38 0.26 |
0.95 0.66 0.45 |
3 | 10 | 140 | 9 | 0~9 | 1.6 | 2.8 | 180x120x135 | 8 | 380×260×290 | 23 | 5880 |
| ZEN20-4-130 |
3 2 1 |
60 45 30 |
0.26 0.20 0.13 |
/ | / | 2 | / | 130 |
4 6 |
0~4 0~6 |
2.2 2.2 |
2.7 | 150x130x140 | 8 | 320×280×300 | 22 | 6664 |
| ZEN20-6-130 |
3 2 1 |
90 65 45 |
0.40 0.30 0.20 |
0.40 0.30 0.20 |
0.80 0.65 0.4 |
2.5 | 6 | ||||||||||
| ZEN25-4-130 |
3 2 1 |
60 45 30 |
0.26 0.20 0.13 |
/ | / | 2 | / | 130 | 4 | 0~4 | 3 | 3.0 | 150x130x140 | 8 | 320×280×300 | 25 | 6664 |
| ZEN25-6-130 |
3 2 1 |
90 65 45 |
0.40 0.30 0.20 |
0.40 0.30 0.20 |
0.80 0.65 0.4 |
2.5 | 6 | 6 | 0~6 | 3 | |||||||
| ZEN25-4-180 |
3 2 1 |
60 45 30 |
0.26 0.20 0.13 |
/ | / | 2 | / | 180 | 4 | 0~4 | 3 | 3.2 | 200x130x155 | 8 | 415×280×330 | 26 | 4800 |
| ZEN25-6-180 |
3 2 1 |
90 65 45 |
0.40 0.30 0.20 |
0.40 0.30 0.20 |
0.80 0.65 0.4 |
2.5 | 6 | 6 | 0~6 | 3 | |||||||
| ZEN32-4-180 |
3 2 1 |
60 45 30 |
0.26 0.20 0.13 |
/ | / | 2 | / | 180 | 4 | 0~4 | 3.5 | 3.6 | 200x130x155 | 8 | 415×280×330 | 30 | 4800 |
| ZEN32-6-180 |
3 2 1 |
90 65 45 |
0.40 0.30 0.20 |
0.40 0.30 0.20 |
0.80 0.65 0.41 |
2.5 | 6 | 6 | 0~6 | 3.5 | |||||||
| ZEN20-12-180 |
3 2 1 |
245 210 140 |
1.04 0.92 0.63 |
1.04 0.92 0.63 |
1.80 1.60 1.10 |
6 | 20 | 180 | 12 | 0~12 | 3 | 4.8 | 200x160x180 | 4 | 415×340×200 | 20 | 3200 |
| ZEN25-8-180 |
3 2 1 |
200 185 145 |
0.83 0.78 0.62 |
0.83 0.78 0.62 |
1.65 1.55 1.45 |
6 | 15 | 8 | 0~8 | 7 | 5.0 | 21 | 3200 | ||||
| ZEN25-12-180 |
3 2 1 |
245 210 140 |
1.04 0.92 0.63 |
1.04 0.92 0.63 |
1.80 1.60 1.10 |
6 | 20 | 12 | 0~12 | 3.5 | |||||||
| ZEN32-8-180 |
3 2 1 |
245 210 140 |
1.04 0.92 0.63 |
1.04 0.92 0.63 |
1.80 1.60 1.10 |
6 | / | 8 | 0~8 | 10 | 5.4 | 22 | 3200 | ||||
