Our Products

Rotary Evaporator

Laboratory equipment

Jacketed Reactor

Contact Us

We Cherish All Interactions

FAQ Pumps - JB Industries, Inc.

FAQ Pumps - JB Industries, Inc.

2. Why is it so important to change the oil often in my vacuum pump? The proper oil in a vacuum pump acts as a blotter and absorbs all of the moisture and non-condensables. As the oil becomes saturated with these contaminants, the efficiency of the pump is dramatically reduced. Maintaining clean oil in the pump ensures that the pump will .

AGILENT ROTARY VANE PUMPS

AGILENT ROTARY VANE PUMPS

• Minimizes oil backstreaming and vacuum system contamination Gas Ballast Valve • The opening of this valve injects dry air into the second stage of the pump • This action increases the temperature of the module which facilitates the outgassing and clean up of water vapor or other condensable gases from the oil

Methods for Handling/Removing Water and Condensable Vapors .

Methods for Handling/Removing Water and Condensable Vapors .

Oil sealed vacuum pumps such as vane and piston pumps can tolerate a certain amount of water and other condensable vapors such as alcohols, acetone, and solvents. For the integrity of the sealant oils, and to achieve a good vacuum (lower than the vapor pressure of the liquid), it is best to prevent the condensables from entering the oil sealed vacuum pumps or removing them after they do enter .

Succeed at Vacuum System Troubleshooting | Chemical Processing

Succeed at Vacuum System Troubleshooting | Chemical Processing

Aug 31, 2015 · Vacuum pump oils are formulated to have a vapor pressure significantly lower than the pump's ultimate vacuum capability. If a higher vapor pressure oil is substituted, the pump will begin to create vacuum and reach the vapor pressure of the oil in the cylinder. When this occurs, the oil will flash to the vapor phase, displace the pump's .

Diagnosing a Cloudy Oil - Lubrication

Diagnosing a Cloudy Oil - Lubrication

The normal decomposition of certain additives during service can lead to white, flocky appearance of the oil. Salt. If saltwater has contaminated an oil, it is possible that the water has evaporated. This would leave the salt and other minerals still embedded in the oil which can result in a dull, hazy appearance depending on concentration. Wax.

keeping life of pump - JB Industries

keeping life of pump - JB Industries

valve. Dispose of contaminated oil properly. Once the oil has been completely removed, return the pump to the position in fi gure 3 and remove either the 2 rubber feet from the bottom of the pump or remove pump base (depends on the age of the pump which option is available). Next, turn the pump on to the motor end (Figure

How to extract water from a vacuum chamber without .

How to extract water from a vacuum chamber without .

You really can't prevent vacuum pump oil from getting contaminated with water but you can slow this process down by releasing the vacuum in the chamber with a valve connected between the pump and chamber. The vacuum pump should remain running when.

Vacuum Pump Oil: The

Vacuum Pump Oil: The "Circulatory System" of the Vacuum .

Jun 14, 2016 · In addition, flushing oil can be used before filling the pump with new oil to minimize contamination of new oil by residue from old oil. Rotary Pump Oil The rotary vane pump utilizes an eccentrically mounted rotor that contains two or more vanes which propel the pumped gas through the pump as the rotor turns (Fig. 4).

Understanding Vacuum Pump Lubricants | Ultrachem Inc.

Understanding Vacuum Pump Lubricants | Ultrachem Inc.

The chosen lubricant must fill all of these roles effectively and efficiently to promote healthy and long equipment life. Vacuum pump applications are somewhat unique due to the relationship between the oil's volatility and vapor pressure. An oil that is more volatile is more likely to turn from a liquid to a vapor as temperatures increase.

074-518-P1C QS5 Vacuum Pump Operating Manual

074-518-P1C QS5 Vacuum Pump Operating Manual

USE ONLY HIGH VISCOSITY VACUUM PUMP OIL INTENDED FOR USE IN HVAC/R VACUUM PUMPS, SUCH AS INFICON PART NUMBER 071-0730. 5 Replace oil fill cap, then turn power switch ON and check for any oil leakage. Dispose of waste oil in accordance with local regulations. Refer to Section 5.0, Start Up Procedure, for instructions on filling the pump with oil .

Liquid-ring pump - Wikipedia

Liquid-ring pump - Wikipedia

A liquid-ring pump is a rotating positive-displacement pump.. They are typically used as a vacuum pump, but can also be used as a gas compressor.The function of a liquid-ring pump is similar to a rotary vane pump, with the difference being that the vanes are an integral part of the rotor and churn a rotating ring of liquid to form the compression-chamber seal.

Vacuum Pump Maintenance and Troubleshooting

Vacuum Pump Maintenance and Troubleshooting

turns dark the integrity of the vacuum pump and its functionality will be compromised and servicing the pump itself may be required. The color diagram below is a general indication of pump oil quality. It is important to note that pump oil that has become contaminated with water will typically turn a milky white color. Clean Oil Highly Time to

Contamination

Contamination

1.3.1 Contamination. Vacuum chambers must be clean in order to reach the desired pressure as quickly as possible when they are pumped down. Typical contaminants of vacuum systems include. Residues from the production of the vacuum systems Oil and grease on surfaces, screws and seals

Top 5 Experiments Using a High Vacuum Pump

Top 5 Experiments Using a High Vacuum Pump

May 03, 2011 · 1. Cool Boiling Water - My all time favorite. It is absolutely critical that your pump is a "high vacuum" pump and not just a vacuum pump. You'll need to pull a much higher vacuum than the 25" of mercury some pumps offer to do this. Place a plastic bottle or petri dish in the chamber filled about half way up with water. Demonstrate to your .

Rotary Vane Vacuum Pumps, The Definitive Guide

Rotary Vane Vacuum Pumps, The Definitive Guide

This then causes the vacuum pump fluid to be contaminated. As the vacuum pump oil becomes more and more contaminated, the vacuum pump performance will begin to decrease gradually, the ultimate pressure of the vacuum pump will decrease and deposits will start to form and build up inside the vacuum pump housing.

How to Use AC Vacuum Pump for Pulling Out the Moisture .

How to Use AC Vacuum Pump for Pulling Out the Moisture .

Nov 21, 2019 · Prepare the Vacuum Pump. To get with the process of how to use ac vacuum pump, you need to prepare the vacuum first. Get the pump and use the vacuum oil. You can easily locate the vacuum oil cap on the top of the pump and look for the cap-like sign. Unscrew the cap and fill it with oil until it reaches the recommended level.

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).

WATER CONTAMINATION OF STEAM TURBINE LUBE OILS .

WATER CONTAMINATION OF STEAM TURBINE LUBE OILS .

Ever since steam turbines have been built, contamination of the lube oil by watert has been a persistent problem. Water contamination will result in rusting of ferrous compo­ nents, accelerate sludging leading to sticking of mechanisms. In advanced cases, if water is pumped by the oil pump.

Gas Purge Solutions | Normandale Community College

Gas Purge Solutions | Normandale Community College

If, as often the case, the chamber is rough pumped through the high vacuum pump, all of the water vapor contained within the chamber's air as humidity is moved through the entire pumping line. Consider that a liter of air at room temperature and 50% relative humidity contains roughly 20 torr liters of water .

Fisherbrand MaximaDry Oil-Free Vacuum Pumps, One Stage .

Fisherbrand MaximaDry Oil-Free Vacuum Pumps, One Stage .

Clean, reliable, oil-free vacuum pumps are ideal for low boiling point rotary evaporation and distillation, filtration, blotting, and soild phase extraction. Quiet, reliable operation without the hazards of handling pump oil or contaminated water.

Contamination in Vacuum Systems: Sources and Remedies .

Contamination in Vacuum Systems: Sources and Remedies .

The most prevalent source is from oil-sealed mechanical pumps although other pumps can provide contamination as well. Any pump containing oil as a sealant for the pump mechanism as in rotary pumps or as a shaft sealant as in some blowers will tend to allow oil vapor to backstream from the pump into the chamber.

Vacuum Pump Safety

Vacuum Pump Safety

Vacuum Pump Safety SOP –Rev 7/2017 Page 2 • Ensure pump oil is compatible with vapors that will pass through the pump (i.e. avoid hydrocarbon pump oil and oxidizing gases/vapors). • Close valve between vessel and pump before turning off pump to avoid introducing oil into system. • Ensure gases or vapors will not damage the pump.

Gas Purge Solutions | Normandale Community College

Gas Purge Solutions | Normandale Community College

If, as often the case, the chamber is rough pumped through the high vacuum pump, all of the water vapor contained within the chamber's air as humidity is moved through the entire pumping line. Consider that a liter of air at room temperature and 50% relative humidity contains roughly 20 torr liters of water .

vacuum pump oil - Technique and disposal

vacuum pump oil - Technique and disposal

May 16, 2016 · I'm speaking to the process, not the frequency. Vacuum pump mfrs state that one should change oil immediately after every evacuation to avoid negative consequences. Here is an excerpt from JB's DV-T1 page: "All vacuum pumps require changing oil after every use. Contaminated oil, laden with moisture and acid will damage pumps and shorten pump life.

Agilent - Maintaining Your GC/MS System

Agilent - Maintaining Your GC/MS System

77, 94, 115, 141, 168, 170, Diffusion pump fluid Diffusion pump fluid and related ions 262, 354, 446 149 Plasticizer (phthalates) Vacuum seals (O-rings) damaged by high temperatures, use of vinyl or plastic gloves Peaks spaced 14 amu apart Hydrocarbons Fingerprints, foreline pump oil Contamination Foreline Pump Oil Contamination Identification

Rotary vane vacuum pump maintenance in composites duty

Rotary vane vacuum pump maintenance in composites duty

Water circulating with the pump oil will reduce the vacuum capability of the pump because water will boil readily on under vacuum on the inlet side of the pump. Pumps which are left idle with water contaminated oil will also corrode and wear more quickly when next restarted. As a further factor to be considered, there is a very fine filter .

Removing Water and Particulate Contaminants from Oil .

Removing Water and Particulate Contaminants from Oil .

Dec 17, 2011 · Particulate contamination is capable of bridging the film thickness gap, leading to contact fatigue, additional particle generation and accelerated wear. Water contamination reduces component life and productivity by causing rust and corrosion, oil oxidation, additive depletion, varnish deposits, hydrogen embrittlement and changes in viscosity.

Oil Problems With Vacuum Pumps

Oil Problems With Vacuum Pumps

If the pump is low on oil make sure intake is vented to atmospheric pressure and actuate the on/off switch a couple of times to pull any oil from the intake port back into pump. Leave the pump off when actuating, just turn pump off and on a couple times till it looks like it might run ok. Check the oil level again. If still low turn off pump go .

Engine Oil Analysis Kits | HowStuffWorks

Engine Oil Analysis Kits | HowStuffWorks

The oil analysis results will let you know if the oil is excessively contaminated with fuel, water or antifreeze, all of which reduce the oil's ability to lubricate your engine effectively. . Or you can do it the no-mess way: use a vacuum pump to siphon oil from the dipstick tube or crankcase filler hole. Such pumps are available at auto .

Maintenance and Troubleshooting of Oil Diffusion Pumps

Maintenance and Troubleshooting of Oil Diffusion Pumps

possible for the diffusion pump to create a vacuum ranging from 10-3 to 10-9 mbar (10-1 to 10-7 Pa). Pumps and jet designs have evolved over the years and improved synthetic fluids have been developed, enabling the high levels of vacuum to be achieved with this pump technology. The pump external