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Double Liquid Concrete Hydraulic Pump Construction Equipments

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  • Shipping Timeframes: All orders are processed within 2-5 business days (excluding weekends and holidays). After your order has been processed, the estimated delivery time is before 03 Feb, 2026, depending on customs, Please note that due to high demand, some items may experience longer shipping times, which will be communicated at order confirmation email.
  • Order Processing Time: Please allow 2-5 business days for us to process your order before it is shipped . Orders placed after 16:00 on Fridays, or during weekends and public holidays, will begin processing on the next business day. Processing times may be extended during peak seasons or sales events.
  • Manufacturing Time: Some products needs manufacturing time, the manufacturing process will take approximately 10-30 business days depending on the product. This timeframe may vary depending on the complexity of the product and current demand. but this will be communicated with you during order confirmation.
  • Returns and Exchanges: We offer a 30-day return policy for most items. If you are not completely satisfied with your purchase, you may return it within 30 days of receipt for a refund or exchange. Items must be unused, in their original packaging, and accompanied by proof of purchase. Return shipping costs are the responsibility of the customer, unless the item was damaged or defective upon arrival.
1. What exactly is 'Double Liquid Concrete Hydraulic Pump Construction Equipments' — is this a pressure washer or a concrete pump?

The product description you provided describes a high-pressure electric washer (lightweight, 13 kg, 11,000 psi, 690W/220V, 5 m hose). The product name appears to reference a concrete hydraulic pump, which is a different machine. Based on the description, this item is a high-pressure washer intended for cleaning; confirm with the seller or manufacturer if you need a concrete pumping unit.

2. What are the key specifications of this high-pressure washer?

Weight: 13 kg; Maximum output pressure: 11,000 psi; Power: 690 W at 220 V; Hose length: 5 meters; Safety note: recommended safe range for high-pressure pipes is under 14,000 psi.

3. What can I use this washer for?

Typical uses include cleaning cars, driveways, patios, patios, fences and construction equipment (removing dirt, grime, concrete residue and similar deposits). For pumping or moving liquids like concrete, use a dedicated concrete pump — this washer is for cleaning only.

4. Is 11,000 psi normal and safe to use on household surfaces?

11,000 psi is extremely high for a consumer pressure washer and can damage many surfaces and cause injury. Use a low-pressure nozzle or back off to a safe distance for delicate surfaces. Always test on a small inconspicuous area first and wear appropriate PPE (gloves, eye protection, boots).

5. What electrical supply does the unit require?

The unit is specified at 690 W and 220 V. Use a properly grounded 220 V outlet and ensure the circuit can handle the load. If you need an extension cord, use one rated for the current and distance; check the owner manual for exact amperage requirements.

6. How portable is this washer?

At approximately 13 kg, the washer is relatively lightweight and designed to be easy to carry and store. Portability will also depend on included handles/wheels — check the product photos or seller listing for those details.

7. What safety precautions should I follow when using this washer?

Wear personal protective equipment (eye protection, closed-toe footwear, gloves). Never point the spray at people, animals, or electrical equipment. Maintain a firm grip on the gun, keep a safe distance from the surface, and follow the safe pressure limits for hoses and fittings. Turn off and unplug the unit before inspecting or changing nozzles.

8. Does the washer come with accessories and which ones are included?

The description only confirms a 5-meter hose. For other accessories (spray gun, nozzles, detergent tank, wand, fittings), check the seller’s product listing or ask the supplier for a full parts/accessories list.

9. How do I operate the high-pressure washer safely (basic steps)?

Basic operation: connect to a 220 V grounded outlet, attach the 5 m hose and any included nozzle, connect to water supply and open water inlet, turn on the machine, engage the trigger gun to spray. Release trigger and turn off machine when finished. Always follow the detailed steps in the user manual provided by the manufacturer.

10. What maintenance is required and how often?

Routine maintenance includes inspecting the hose and fittings for wear, cleaning or replacing inlet filters, checking seals and o-rings, keeping the unit dry and clean, and storing indoors when not in use. The product advertises low maintenance cost, but follow the manufacturer schedule for lubrication/parts replacement.

11. Can this washer be used continuously for long periods?

The description does not provide a duty cycle or continuous-run rating. To avoid overheating or premature wear, use intermittent operation unless the manufacturer manual explicitly states it is rated for continuous use. If you need continuous operation, confirm the duty cycle with the supplier.

12. Are replacement parts available (nozzles, hoses, seals)?

The listing does not specify parts availability. Contact the seller or manufacturer for replacement parts such as nozzles, high-pressure hose assemblies, O-rings and pump components. Keep model and serial number handy when inquiring.

13. What warranty or after-sales service is provided?

No warranty information is included in the description. Ask the seller or manufacturer about warranty length, coverage details and authorized service centers before purchase.

14. How should I store and winterize the washer?

Drain all water from the pump, hose and gun before storage. Store the unit indoors in a dry place to avoid freezing and corrosion. If you expect freezing temperatures, follow a manufacturer-recommended winterizing procedure (e.g., pump antifreeze) — check the manual or ask the supplier.

15. I need this for construction equipment cleaning — is it suitable for removing concrete and heavy deposits?

This high-pressure washer can help remove fresh concrete splatter, dirt and grime from tools and machinery; however, its suitability depends on the type and age of the concrete deposits and the surface being cleaned. Very hardened concrete may require mechanical methods or specialized chemical cleaners. For large-scale concrete removal or pumping, use the appropriate heavy-duty construction equipment.

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