30MPA Electric Air Compressor Scuba Diving Pump Water-Cooled 110V

30MPA High Pressure Electric Air Compressor Scuba Diving Pump Water-Cooled 110V

This electric air compressor is designed for high-pressure diving cylinder inflation with water cooling, a larger oil-water filter, and a direct inflation setup. It is listed with a 110V power supply and multiple included accessories for use as shown in the original listing. 🌊

Key Features

  • High Pressure Output: Working pressure is listed as 0–30MPa (4500psi), with a pressure range of 0–40MPa.
  • Water-Cooled Design: Uses water cooling for operation, with the water pump placed in water during use.
  • Oil-Water Filter: The larger oil-water filter is described as having better filtering performance.
  • Direct Inflation Setup: The listing states it can directly inflate the diving cylinder without an air filter.
  • Included Accessories: Comes with water pipes, filter, spring hose, pressure relief screws, and more as listed below.
  • Important: Please check voltage, connector type, and pressure requirements before purchase.

Specifications

Product Type30MPA high pressure electric air compressor / scuba diving pump
Voltage110–130V, 60Hz
Rated Power1.8kw
Motor Speed2800r/min
Working Noise70dB
Air Output130L/min
Cooling ModeWater cooling
Compression LevelSecondary compression
Lubrication MethodSplash type
Motor MaterialAll copper coil
Cylinder Head MaterialCast aluminum
Shell MaterialSteel
Pressure Range0–40MPa
Working Pressure0–30MPa (4500psi)
Maximum Temperature80 ℃
Connector Type8mm quick connect female
Package Size49 × 28.5 × 43 cm
Total Weight20.5 kgs

Package Included

  • 1 x set of 30MPA high pressure air pump
  • 1 x water pump
  • 2 x water pipes
  • 1 x filter
  • 1 x spring hose
  • 2 x pressure relief screws
  • 1 x tank breather plug
  • 1 x shock pad
  • 1 x this manual

Usage Tips

  • Check the oil amount before each use. The oil should be above the red dot, but not too much.
  • The listing states the machine does not include oil, so you need to add piston type air compressor oil yourself.
  • Replace the transport oil cover with the strip-shaped breathing plug before use.
  • Loosen the air bleed screws on both sides before starting the machine. The machine needs to start under zero pressure.
  • After the machine starts, tighten the bleed screws on both sides to press normally.
  • After inflation ends, loosen the deflated screw before deflating, then remove the inflation joint.
  • For the water pump, place it into the water first. Colder water is described as better.
  • After the water pump circulates normally, turn on the electric air pump and shut it down manually when the required pressure is reached.
  • The whole process needs attention, and it is forbidden to leave the machine unattended.

Important Notes

  • The manual in the package is a universal version.
  • If you need help after receiving the item, please contact the seller directly.
  • Speed test values listed in the original information: 0.5L oxygen cylinder to 30MPa in 3 minutes, 1L oxygen cylinder to 30MPa in 6 minutes, and 6.8L oxygen cylinder to 30MPa in 40 minutes.
  • Please refer to the listed specifications before purchase.

Please review the specifications and package details carefully before ordering. If this model fits your setup, it is ready to be added to your diving equipment list. ✅

 
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Shipping:
 
2-9 working days to: USA
 
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Your satisfaction is our ultimate goal. We work hard to earn your trust and future business. Our certified technicians have tested each item before shipping. The unit comes with 1 year limited warranty on all manufacturing defects.
a) If you receive a defective item, you may return it or ask for a discount. Please contact us within 14 days after you receive the package.
b) What you returned must be intact and in its original packaging as re? u. Customer is responsible for shipping costs of the returned item.
c) We will cover the cost of shipping back t with the shipping rate indicated in the registration page. We will send you a new unit or refund the full payment you paid.
Thank you.
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Business Hour: Monday To Friday: 8:30 AM to 5:00 PM (Beijing China time)
Due to time zones, our reply to your questions may not be immediately. But within above working time, we will reply your email within 24 hours. If it's non-workdays, please kindly be patient and wait till Monday.
Please contact us with ebay message.
Please feel free to contact us if you have any questions.
Monday To Friday: 8:30 AM to 5:00 PM (Beijing China time)
Due to time zones, our reply to your questions may not be immediately. But within above working time, we will reply your email within 24 hours. If it's non-workdays, please kindly be patient and wait till Monday.
Please contact us with ebay message.
Please feel free to contact us if you have any questions.
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On Oct 12, 2026 at 01:04:03 PDT, seller added the following information:

Datacaciques