Our Products

Rotary Evaporator

Laboratory equipment

Jacketed Reactor

Contact Us

We Cherish All Interactions

Vacuum Pumps Flashcards | Quizlet

With bad odor, smoking or noise, turn off and do not restart Troubleshooting for the pump not starting Check the power to the motor, may be too cold (below 60)- warm it; cylinder cavity may be flooded- turn pump manually to clear the oil; or debris- disassemble and clean

Maintaining your freeze dryer and vacuum pump - Labconco

Oct 30, 2014 · Often, the best place to start troubleshooting is by performing a vacuum pump oil change. When the oil in a rotary vane pump starts to look cloudy or dirty, it's time to change the oil! The appropriate frequency of oil changes can vary from very often (every time the freeze dryer is used), to seldom (every few months).

Note 83: Vacuum Pump Exhaust Filters - Oil Mist Eliminators

The gas ballast valve is used to allow a stream of air to enter the vacuum pump and flush or purge the vacuum pump oil. The vacuum pump exhaust flow rate will exceed 2000 ml/min in this operation. When using the gas ballast valve, any volatile organics or water can be quickly purged from the vacuum pump oil.

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).

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.

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 .

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.

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

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 .

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.

Mobil Vacuum Pump Oil

This enables the oil to retain its original properties such as viscosity and demulsibility and so prolong oil service life. Water vapour is a common contaminant in vacuum systems and tends to condense in pumps, oils separators and reservoirs. Mobil Vacuum Pump Oil has good demulsibility to separate readily from water.

Problems - Corrosion in Pump - HyVac

Acids in the Pump. Acid contamination is very, very, tough on most vacuum pumps. It is best to deal with an acidic stream in front of the pump. Try not to let the acids get in the pump. When vacuum pump oils degrade or go acidic they do so logarithmically or exponentially. Introducing acidic boosters always hastens the oils degradation.

Vacuum Pump Safety | Environmental Health & Safety

Check oil levels and change oil when necessary. Replace and properly dispose of vacuum pump oil that is contaminated with condensate. Used pump oil must be disposed as hazardous waste. With oil rotary pumps many vapors condense in the pump oil. Solvents in the oil degrade its performance (and eventually ruin the pump), create a chemical hazard .

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 .

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

Vacuum Pump Oil -

Product Title SUPERCOOL 43286 Vacuum Pump Oil, Yellow, 1 Gal. Average rating: 0 out of 5 stars, based on 0 reviews Current Price 32.79 32 . 79 List List Price 46.22 46 . 22

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 .

Gas Ballasting of Mechanical Oil Sealed Rotary Vacuum Pumps

Jun 15, 2013 · Cleaning Oil Contaminated with Water. If the oil is contaminated with water droplets, gas ballasting the pump will clean up the oil. This may take an hour or two, or several hours depending on the amount of contamination. When the gas ballast valve is open the additional air going through the vacuum pump will create more oil mist at the exhaust.

A Guide To Vacuum Pump Maintenance And Troubleshooting .

Highly contaminated and broken down vacuum pump oil will turn dark brown or black. Ideally, the vacuum pump oil is replaced well before it turns dark brown. By the time it turns dark the integrity of the vacuum pump and its functionality will be compromised and servicing the pump .

Succeed at Vacuum System TROUBLESHOOTING

vacuum pump as the root cause of the problem. However, the vacuum pump usually isn't culprit. In almost all cases, either: 1) the pump is being operated in a condition for which it never was intended, 2) one or more of the user's interface points with the pump (suction/discharge lines, water supply, process contaminant, etc.) are be-

Operating Manual - Robinair

3. Verify the pump oil is clean. A badly contaminated pump may require several oil flushes. See OIL CHANGE PROCEDURE. Note: Use only high vacuum pump oil such as Robinair's Premium High Vacuum Pump Oil. Other oils will prevent pull-down to a deep vacuum. 4. Verify the gas ballast knob is tightly closed. 5. Verify the oil is at the correct level.

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

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.

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 .

Models 15115 15310 15510 - Robinair

A badly contaminated pump may require several oil flushes. see OIL CHANGE PROCEDURE. Note: Use only high vacuum pump oil such as Robinair's Premium High Vacuum Pump Oil. Other oils will prevent pull-down to a deep vacuum. 3. Verify the oil is at the correct level. For maximum pump operation, the oil must be even with the OiL LeVeL line on the .

Vacuum Oil, Oxygen Compatible

Oxygen Compatible Vacuum Oil, 1 Kg. or .5 liter jug - see below oil capacity chart for common models* - will mix with Dupont's Krytox HE-1600 and Fomblin's 25/6 and other PFPE fluids** Alcatel 2033 = 3.6 liter. Alcatel 2021 = 1 liter. Kinney KC-8 = 1.3 liter. Kinney KC-15 = 2.84 liter. Kinney KC-30 = 4 liters. Leybold SV10-16 = .5 liter

Lubricating And Troubleshooting Centrifugal Pumps .

Jun 01, 2012 · Oil-mist methods. (Oil mist was discussed in detail in the March/April 2012 article on lubrication of electric motors. ) An oil-mist system produces a mist that can travel 600 feet and supply hundreds of lube points. It consists of oil particles <3 microns that go through a reclassifier and deposit a very thin oil .

Maintaining your freeze dryer and vacuum pump - Labconco

Oct 30, 2014 · Often, the best place to start troubleshooting is by performing a vacuum pump oil change. When the oil in a rotary vane pump starts to look cloudy or dirty, it's time to change the oil! The appropriate frequency of oil changes can vary from very often (every time the freeze dryer is used), to seldom (every few months).

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.

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).