Our Products

Rotary Evaporator

Laboratory equipment

Jacketed Reactor

Contact Us

We Cherish All Interactions

Pulling a vacuum | Hvac Pro Forums

Pulling a vacuum | Hvac Pro Forums

Mar 09, 2017 · Those involved in the HVAC industry are urged to register. its free and easy, Once registered you will have access to the technical forums, Be sure to click over to the new members forum and introduce yourself after registering! . So I pulled a vacuum for a week straight changing the oil twice a day, until I said **** it is is dry enough .

Vacuum Pump Capacity Ratings - Technical Data | Dekker .

Vacuum Pump Capacity Ratings - Technical Data | Dekker .

The capacity for vacuum pumps is specified in a couple of different ways, depending on the type of vacuum pump and the manufacturer. It is important to know the ACFM rating of the pump, which expresses the "actual cubic feet per minute" inlet capacity at a specific vacuum .

Vacuum Pump Oils - Air Compressors, Vacuum Pumps, and .

Vacuum Pump Oils - Air Compressors, Vacuum Pumps, and .

Browse through our stock of vacuum pump oils, apart of our automotive parts collection. Great to use on vacuum pumps, our pump oils work well in tasks where high vacuum is required. Our oils help absorb all the moisture and contaminants clogging your vacuum pumps, improving the performance of your pumps.

SuperEvac™ 4, 6, 8 & 11 CFM AC Vacuum Pump with Indicator .

SuperEvac™ 4, 6, 8 & 11 CFM AC Vacuum Pump with Indicator .

Isolation valve for oil changes without losing vacuum in the system. Built-in vacuum indicator gauge. Wide-mouth oil reservoir port for easier, cleaner filling. The SuperEvac™ vacuum pump is a highly efficient, two-stage rotary vane oil-sealed pump field-rated at 15 microns or better. The lower the micron rating, the better the pump .

Oil Problems With Vacuum Pumps

Oil Problems With Vacuum Pumps

HyVac vacuum pumps are all designed to run continuously. When tested at HyVac they are run for 5 days 24 hours per day prior to final testing and release to finished goods inventory. They, like most oil sealed rotary vane vacuum pumps are designed to pump air or gas, not necessarily liquids.

2.5 CFM Vacuum Pump - Harbor Freight Tools

2.5 CFM Vacuum Pump - Harbor Freight Tools

Designed for deeper vacuum draw, this vacuum pump pulls vacuum down to 75 microns. Precision machined one-stage pump removes moisture from air conditioning systems to safely add refrigerant. This one stage vacuum pump is ideal for automotive air conditioning, HVAC work and other operations that require high vacuum pull from a compact pump.

HVAC Full Vacuum Procedure From Start to Finish! - YouTube

HVAC Full Vacuum Procedure From Start to Finish! - YouTube

May 30, 2018 · I go over the Pump, Hose, Valve Core Removal Tool, Micron Gauge Setup and Step By Step Process to Complete this Procedure Effectively. I go over some hiccups along the way and how .

HVAC Refrigerant Evacuation/Vacuum Pumps for sale

HVAC Refrigerant Evacuation/Vacuum Pumps for sale

Get the best deals on HVAC Refrigerant Evacuation/Vacuum Pumps when you shop the largest online selection at . Free shipping on many items . 3.5CFM 1-Stage Pump Rotary Vane Deep Vacuum AC HVAC 1/4HP w/Free Oil Bottle. 40.95. 4 sold. 3.5CFM Rotary Vane Vacuum Pump Single Stage HVAC 1/4HP Air Conditioning .

Top 10 Best HVAC Vacuum Pumps in 2020 Reviews • TopGreatPRO

Top 10 Best HVAC Vacuum Pumps in 2020 Reviews • TopGreatPRO

Aug 02, 2020 · Most pumps that rely on oil to operate are prone to the issue of oil spilling. This is not the case at all with this kind of pump. That is because its design is in such a manner as to prevent the oil from flowing back to the tubes and containers. . To find the right HVAC vacuum pump, put into consideration your financial strength and intended .

NAVAC | National HVAC Manufacturing Company | New Jersey .

NAVAC | National HVAC Manufacturing Company | New Jersey .

NAVAC is a global manufacturer that has dedicated over 20 years to the R&D and manufacturing of industrial vacuum solutions and HVAC/R tools. NAVAC draws upon its commitment to technical .

Oil discharge from vacuum pump exhaust - possible causes .

Oil discharge from vacuum pump exhaust - possible causes .

To obtain the reasonably high vacuum level required for the resin infusion process it is normal to use a single stage oil flooded, rotary vane vacuum pump with an integral oil mist separator. This type of pump is a moderate cost means of achieving vacuum levels in the 98% - 99% vacuum region (20 mbar to 10 mbar of absolute pressure).

Symptoms of a Bad or Failing Vacuum Pump | Autoblog

Symptoms of a Bad or Failing Vacuum Pump | Autoblog

Jan 12, 2016 · 4. Air conditioning not working. If your AC unit stops working all of the sudden, it might be caused by a vacuum pump, especially in diesel applications. If you notice a problem with your AC .

HVAC Vacuum Pumps from YELLOW JACKET HVAC Supply

HVAC Vacuum Pumps from YELLOW JACKET HVAC Supply

HVAC Vacuum Pumps and Parts; Vacuum Gauges; Vacuum Pump Accessories; YJII™ Vacuum Pump. SuperEvac™ 4, 6, 8 & 11 CFM Pumps. Digital LCD Economy Vacuum Gauge. Vacuum Pump Oil.

Will external vac. pump for AC system vac oil out .

Will external vac. pump for AC system vac oil out .

Mar 02, 2009 · After replacing all the parts and the o'rings and adding the ester oil, I attached the evacuation pump to my AC gauge lines. So, can this suck out some of the oil that is installed in the system? . I would think oil added to the lines would be the most likely to be vacuum out by the pump.

Evacuation and Vacuum Training - HVAC and Energy Auditing .

Evacuation and Vacuum Training - HVAC and Energy Auditing .

Start with fresh and dry vacuum pump oil. Vacuum pump oil is extremely hygroscopic (moisture absorbing) so starting fresh will make things go a lot faster. If your pump is equipped with a gas ballast, open the ballast until a level of 10,000 microns is reached. Within narrow limits, the purpose of the vacuum .

Vacuum Pump Oil - HVAC School

Vacuum Pump Oil - HVAC School

Dec 26, 2018 · Our vacuum pump oil is designed to have a low vapor pressure, much lower than the moisture in the HVAC/R system, ideally discharging it to the atmosphere. Low vapor pressure means having lower evaporative properties where high vapor pressure has high evaporative properties.

Vacuum Pumps -

Vacuum Pumps -

Product Title ZENSTYLE Combo 3,5CFM 1/4HP Air Vacuum Pump HVAC + R . Average rating: 3 out of 5 stars, based on 2 reviews 2 ratings Current Price 99.99 99 . 99 List List Price 166.65 166 . 65

Replacing Pump Seal on JB Industries / Harvest Right .

Replacing Pump Seal on JB Industries / Harvest Right .

May 02, 2017 · My vacuum pump started leaking oil out the rear seal a month or so ago. I talked with Harvest Right and they said they would replace the .

Vacuum Pump Oil - Substitute - HVAC - Contractor Talk

Vacuum Pump Oil - Substitute - HVAC - Contractor Talk

Feb 02, 2014 · I bought an electric HVAC vacuum pump a few months back and haven't any real reason to use it. It came without oil so it's just been sitting on the shelf and I completely forgot to buy a quart. Now I'm in a jamb. I want to use the pump later today and or .

Do all vacuum pumps smoke? | The International Association .

Do all vacuum pumps smoke? | The International Association .

Mar 18, 2015 · Repeated stress of starting the pump under load will cause that coupler to fail prematurely. It will also cause the pump to spit oil out the exhaust on the next startup many times. The other thing it can do is the vacuum in the chamber can actually suck the oil out of your pump. Some pumps .

Top 5 Best Vacuum Pump For Your HVAC System (2020 .

Top 5 Best Vacuum Pump For Your HVAC System (2020 .

Mar 14, 2017 · Zeny Vacuum Pump. Any good HVAC tech will tell you that the key to a successful repair job is equipping yourself with a good quality vacuum pump. However, with all the vacuum pumps available on the market, it can be difficult to know which one is best. Just take a look at the Zeny Rotary Vane Vacuum Pump.

Choosing the Right Vacuum Pump Oil - HVAC School

Choosing the Right Vacuum Pump Oil - HVAC School

Jan 30, 2019 · Distilled vacuum pump oil is mixed with specific solvents, which aid in lubrication, oxidation resistance, and foaming resistance. These characteristics are important for vacuum pump oil, as they increase the life and performance of the pump and the oil itself. Hydrotreated pump oil, however, does not share the same solubility as distilled pump .

Vacuum Pump - AC Vacuum Pump w/ R134A & R12 Connectors

Vacuum Pump - AC Vacuum Pump w/ R134A & R12 Connectors

The air vacuum pump is a venturi-type AC pump that eliminates moisture from air conditioning systems, making it safe and easy to add refrigerant. The air vacuum pump is easy to operate and pulls full vacuum within two minutes of being connected to an air line. Includes 1/2 in. ACME (R134a) and R12 connectors; Vacuum .

What Is Vacuum Pump Oil? | Sciencing

What Is Vacuum Pump Oil? | Sciencing

Apr 24, 2017 · Vacuum pump oil serves as a mechanical lubricant and a medium for trapping gas molecules. It's chemically stable, unreactive to most gases and materials, and has a low-vapor pressure. Vapor Pressure. All substances will boil or otherwise shed molecules into a vacuum.

HVAC Refrigerant Evacuation/Vacuum Pumps for sale

HVAC Refrigerant Evacuation/Vacuum Pumps for sale

Get the best deals on HVAC Refrigerant Evacuation/Vacuum Pumps when you shop the largest online selection at . Free shipping on many items . 3.5CFM 1-Stage Pump Rotary Vane Deep Vacuum AC HVAC 1/4HP w/Free Oil Bottle. 40.95. 4 sold. 3.5CFM Rotary Vane Vacuum Pump Single Stage HVAC 1/4HP Air Conditioning .

Vacuum pump oil info needed! - HVAC-Talk: Heating, Air .

Vacuum pump oil info needed! - HVAC-Talk: Heating, Air .

Mar 27, 2020 · Someone please clarify something for me. I have always had the understanding that vacuum pump oil was a specific type of oil. That is why we purchase it at our supply house instead of any automotive store. I thought vacuum pump oil was hygroscopic in nature (absorbs moisture) and this being the reason that keeping fresh vacuum pump oil in your pump .

Vacuum Pump Maintenance and Troubleshooting

Vacuum Pump Maintenance and Troubleshooting

New vacuum pump oil is the same color as vegetable oil—almost clear. As it collects contaminants and breaks down as a result of lubricating the hot vacuum pump it will become darker and darker. Highly contaminated and broken down vacuum pump oil will turn dark brown or black. Ideally, the vacuum pump oil .

YACT: When you vacuum out a car A/C does the compressor .

YACT: When you vacuum out a car A/C does the compressor .

May 09, 2006 · nope, the oil lays in the bottom of all of the components in the system: however when running, SOME of the oil gets circulated in the system. The compressor has a reservoir in the bottom .

Top 5 Best Vacuum Pump For Your HVAC System (2020 .

Top 5 Best Vacuum Pump For Your HVAC System (2020 .

Mar 14, 2017 · Zeny Vacuum Pump. Any good HVAC tech will tell you that the key to a successful repair job is equipping yourself with a good quality vacuum pump. However, with all the vacuum pumps available on the market, it can be difficult to know which one is best. Just take a look at the Zeny Rotary Vane Vacuum Pump.

Replacing Pump Seal on JB Industries / Harvest Right .

Replacing Pump Seal on JB Industries / Harvest Right .

May 02, 2017 · My vacuum pump started leaking oil out the rear seal a month or so ago. I talked with Harvest Right and they said they would replace the .