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Zhong Hua Jiang
The Zhong Hua Jiang 80W submersible water pump is designed to circulate cooling water in compatible CNC water-cooled spindle systems. It is listed for use with 0.8kW, 1.5kW and 2.2kW water-cooled spindle motors used in CNC routers, engraving machines and milling equipment. Continuous water circulation helps carry heat away from the spindle during operation.
The pump offers a published maximum flow rate of 3500 L/h, a maximum lift height of 3.5m, an adjustable flow-control knob and an IPX8 waterproof rating. It features an ABS housing, four suction cups for tank positioning and a thermal-protection function. Actual flow through a spindle depends on the tubing, fittings, height difference and resistance of the complete cooling circuit.
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With a maximum stated flow rate of 3500 L/h and maximum lift height of 3.5m (11.5ft), the pump is intended to move cooling water through suitable circulation systems. These are separate maximum ratings and should not be interpreted as simultaneous operating performance. Check the required flow through your spindle after accounting for hose length, fittings and system resistance.
The original product description identifies an internal thermal-protection chip that interrupts power when overheating occurs, at approximately 80°C, and allows automatic restart after cooling. This protection is a backup feature, not permission to run the pump without water. Maintain the required water level and stop the cooling system if circulation is lost.
The ABS pump housing is designed for submerged water-circulation applications. Four suction cups on the base help position the unit inside a suitable cooling tank or reservoir and reduce unwanted movement during use.
An integrated adjustment knob allows the water output to be regulated for the intended setup. After installation, verify that the resulting circulation meets the spindle manufacturer's cooling requirements rather than relying only on the knob position.
The published waterproof rating is IPX8. The pump is intended to operate submerged in water within its specified conditions. Confirm the permitted immersion conditions and electrical supply requirements for the exact model, and keep plugs and electrical connections installed as directed by the manufacturer.
In addition to compatible CNC spindle cooling circuits, the product is described for aquarium water circulation, fountains, fish tanks, ponds and hydroponic systems. Suitability depends on the water conditions, installation arrangement and required flow.
| Product Type | Submersible Water Circulation Pump |
|---|---|
| Power | 80W |
| Listed CNC Spindle Applications | 0.8kW / 1.5kW / 2.2kW Water-Cooled Spindle Motors |
| Maximum Flow Rate | 3500 L/h |
| Maximum Lift Height | 3.5m / 11.5ft |
| Waterproof Rating | IPX8 |
| Housing Material | ABS |
| Flow Adjustment | Integrated Flow-Control Knob |
| Mounting | Four Suction Cups |
| Protection Function | Thermal Cut-Off with Automatic Restart After Cooling, as Described in the Original Product Information |
Maximum flow and maximum lift are separate ratings. Actual circulating flow is lower when the system introduces height difference, pipe friction or other restrictions. Confirm power supply, pump outlet dimensions and operating limits against the selected model before purchasing.
Install the pump inside a suitable water reservoir, keeping it fully submerged during operation as described in the original product instructions. The water circuit should provide continuous flow through the spindle's cooling passages and back to the reservoir.
The internal thermal-protection feature described for this pump can interrupt operation if the motor becomes overheated. Since the pump may restart automatically after cooling, disconnect the electrical supply before inspection, cleaning or handling.
Four suction cups on the pump base help hold the unit in place on a suitable smooth tank surface. Keep the water inlet unobstructed and inspect the reservoir regularly for debris that could restrict circulation.
The built-in control knob allows adjustment of pump output. For CNC spindle cooling, confirm that the adjusted flow remains sufficient for the spindle and the complete hose circuit during machine operation.
The pump's listed IPX8 rating and sealed construction are intended for submerged use under the manufacturer's specified conditions. Avoid operating the unit with damaged cables, plugs or housing, and verify the exact electrical and immersion requirements before installation.
In addition to CNC spindle motor cooling, the product is described for fish tanks, aquariums, fountains, ponds and hydroponic water circulation. Selection for these applications should consider required flow, lift, water conditions and the manufacturer's operating limits.
This 80W pump is listed for cooling circuits serving 0.8kW, 1.5kW and 2.2kW water-cooled spindle motors used with CNC routers, engraving machines and milling equipment. In a typical circulation arrangement, the pump draws water from a reservoir, sends it through the spindle cooling passage and returns it to the tank.
Select tubing and fittings to suit the spindle's water ports, avoid kinks or obstructions and verify the actual circulating flow before starting machining. Do not run a water-cooled spindle if the cooling circuit is not operating correctly.
When comparing submersible cooling pumps for CNC spindle systems, evaluate the actual circulation requirements rather than selecting by motor power or maximum pump flow alone. Pump output changes with total head and circuit resistance.
Spindle specification: Confirm the spindle model, cooling-water flow requirements and hose connection dimensions.
Cooling layout: Identify reservoir position, lift height, tubing length and restrictions.
Electrical compatibility: Confirm the exact pump's rated voltage and frequency with the destination market's supply.
Operating conditions: Review required immersion conditions, water quality and permitted temperature range.
Purchasing requirements: Share the required quantity, destination and intended equipment application.
Discuss Spindle Cooling Pump Requirements
The product is listed for 0.8kW, 1.5kW and 2.2kW water-cooled spindle motors. Final compatibility depends on the spindle's required water flow, hose connections and the cooling circuit design.
The published maximum flow rate is 3500 liters per hour (3500 L/h). Actual flow through a spindle and tubing circuit will depend on the installation's hydraulic resistance and height difference.
Maximum lift is the stated upper head limit of the pump. It does not mean the pump delivers its maximum 3500 L/h flow at a 3.5m lift. Determine the required working flow under the actual operating conditions.
The original product description identifies thermal cut-off when the motor overheats under insufficient-water conditions, with restart after cooling. The pump must still be submerged during operation. Do not intentionally operate it dry.
Yes. The pump has a built-in flow adjustment knob. After adjustment, confirm that the spindle receives sufficient coolant circulation under the actual operating conditions.
No. The pump is described as a submersible design that must remain submerged in water during operation. IPX8 refers to resistance to water ingress under specified immersion conditions; it does not authorize dry operation.
These applications are listed in the original product description. Check the required flow, lift, water conditions and operating limits before selecting the pump for a specific installation.
Confirm the rated voltage and frequency from the exact model label and purchasing documentation. Electrical compatibility should be checked before connecting the pump to the power supply.
Please provide the required quantity, destination market, spindle application, preferred electrical supply and any requirements for hose connections or cooling-system installation.
Zhong Hua Jiang welcomes product inquiries from CNC equipment distributors, spindle system integrators, machine builders and professional buyers. Share your application and purchasing requirements to discuss pump selection and product details.
