Electric Copper Wire Self-Priming Auto Water Pump with Pressure Sensor
Pump
>>> Pump Body: Cast iron with special anti-rust treatment
>>> Impeller: Stainless steel, brass, or PPO impeller
>>> Mechanical Seal: Carbon, ceramic, or stainless steel
Motor
>>> Built-in thermal protector for single-phase motor
>>> Motor with copper winding
>>> Motor Housing: Steel plate or aluminum alloy
>>> C&U bearing
>>> AISI 304 shaft or 45# carbon steel
Working Range
>>> Liquid: Clean liquid without suspended solids, non-aggressive
>>> Liquid temperature: -10°C to +100°C
>>> Ambient temperature up to +40°C
>>> Max. working pressure: 10 bar
>>> Continuous service S1
>>> Insulation: B
>>> Protection: IP44
Advantages
>>> Electronic pressure switch controlled by PC clip to avoid frequent switching
>>> Starts every 72 hours for 10 seconds to prevent pump locking if not used for a long time
>>> Water protection system to prevent the pump from running dry
>>> Delayed 3-second start to avoid spark-over socket and protect personal safety
>>> Flow priority system to achieve full pressure efficiently
Application
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Technical Data
GDHm Automatic Self-Priming Pump
[Image of GDHm Automatic Self-Priming Pump]
[Image of Pump Parts]
Production Work-flow Chart of Pump
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About Us
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FAQ
Q: Are you trading company or manufacturer?
A: We are a factory.
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. If not in stock, it takes 15-20 days depending on the quantity.
Q: Do you provide samples? Is it free or extra?
A: Yes, we can offer samples for free but do not cover the freight cost.
Q: What is your terms of payment?
A: For payments under $1000, 100% in advance. For payments over $1000, 30% T/T in advance, and the balance before shipment.
Model | HP | W | Current (A) | Capacitor (uf) | H.Max (M) | Q.Max (L/min) | Pipe Size | Pressure Set (bar) | Tank (L) |
GDHm-125A | 0.15 | 125 | 1.5 | 8 | 30 | 32 | 1"X1" | 1.5 | 2 |
GDHm-250A | 0.35 | 250 | 3.5 | 10 | 32 | 35 | 1"X1" | 1.8 | 2 |
GDHm-370A | 0.5 | 370 | 4.5 | 10 | 36 | 36 | 1"X1" | 2.2 | 2 |
GDHm-550A | 0.75 | 550 | 2.9 | 15 | 45 | 55 | 1"X1" | 2.6 | 2 |
GDHm-750A | 1 | 750 | 3.5 | 20 | 55 | 58 | 1"X1" | 2.8 | 2 |
GDHm-1100A | 1.5 | 1100 | 4.5 | 25 | 62 | 66 | 1"X1" | 3.2 | 2 |
Item | Description | Item | Description | Item | Description | Item | Description |
11 | Press Sensor | 21 | Bearing | 31 | Screw | 41 | O-ring |
12 | Screw | 22 | Shaft Key | 32 | Cable Plug | 42 | Pressure Tank |
13 | Inlet Rubber | 23 | Rator | 33 | Cable Net | 43 | Pressure Sensor |
14 | Stainless steel Inlet | 24 | Bearing | 34 | Screw | 44 | Cover |
15 | O-ring | 25 | Stator | 35 | PC Clip | 45 | Plastic Base |
16 | Screw | 26 | Motor House | 36 | Volatede Regulator | 46 | Screw |
17 | O-ring | 27 | Terminal Box | 37 | O-ring | Â | Â |
18 | Screw | 28 | Screw | 38 | Fan | Â | Â |
19 | Front Plate | 29 | Capacitor | 39 | Screw | Â | Â |
20 | Screw | 30 | Terminal Box | 40 | Fan Cover | Â | Â |
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