- Powerful Degassing Performance: Our 3.5 CFM vacuum pump is built for efficient degassing and air extraction, reaching an ultimate vacuum of 5 Pa. Ideal for laboratory applications, food packaging, resin casting, and wood stabilizing, it has you covered
- Stable & Reliable Operation: Equipped witha 4-pole high-torque motor, this HVAC vacuum pump runs efficiently for extended periods. Its cast-iron and die-cast aluminum housing with a built-in cooling fan avoids overheating, maintaining stable performance
- 5-Gallon Vacuum Chamber:Crafted from premium stainless steel, the vacuum chamber resistshigh pressure without deformation. The silicone-oil vacuum gauge provides precise readings, while the tempered-glass lidallows clear degassing observation
- User-Friendly Design: Enjoy easy handling with a rubberergonomic handle for a comfortable grip. The clear oil window with marked levels makes maintenance simple—check oil status at a glance.Keep your vacuum pump operating effortlessly
- All-In-One Complete Kit: Everything you need is included: a vacuum pump, 5-gallon vacuum chamber, tempered-glass chamber lid, vacuum gauge,5ft hose, protective pad, and 0.21qt./200 ml vacuum oil bottle—ready to use right out of the box
- Item Model Number
- RS-1
- Power
- 1/4 HP, 180W
- Free Air Displacement
- 3.5 CFM/99 L/minin
- Ultimate Vacuum
- 5 Pa/37.5 Microns
- Air Inlet Ports
- 1/4″SAE
- Compatible Refrigerants
- R134a, R22, R410a
A: This pump has a flow rate of 3.5 CFM and an ultimate vacuum pressure of < 50 Pa, making it ideal for quickly evacuating home and vehicle AC systems. It far exceeds the needs of DIY users.
Q: Is the vacuum chamber seal reliable? How can I check it?
A: Test Methods: Soap Water Test: After vacuuming the chamber, close the valve and apply soapy water along the lid’s edge. No bubbles indicate a reliable seal.
Q: How loud is the pump? Will it disturb the work environment?
A: The noise level is ≤ 70 dB (comparable to normal conversation). Featuring cast aluminum housing for noise reduction, it operates quieter than similar pumps with iron casings. Fit for use in garages, workshops, or other enclosed spaces.








































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