Our Products

Rotary Evaporator

Laboratory equipment

Jacketed Reactor

Contact Us

We Cherish All Interactions

Polymer discharge pumps - Customised products solutions

Temperature Up to 450°C Suction pressure Vacuum up to max. 40 bar Transport pressure /differential pressure Up to 320 bar (4642 psig). The values listed are standard values and must not coincide under certain circumstances. Others values are available upon requests. Pump sizes

Vacuum System Troubleshooting - Tuthill Vacuum & Blower

discharge from pumps that are in operation. Failure to isolate the idle pumps may result in 1) discharge gas from the operating pumps entering the idle pump and contaminating the pump, and 2) creation of vacuum in the idle pump and resulting liquid back stream into the vacuum lines and chamber. LIQUID RING PUMPS

Rotary Vane Compressors and Vacuum Pumps

the discharge portion of the cycle, creating pressure at the exhaust port. The vacuum and pressure flows are free of pulsation because the inlet and exhaust ports do not have valves, and the air is moved continuously rather than intermittently. Gast Rotary Vane Compressors and Vacuum Pumps 3 Why use a Rotary Vane Pump?

Effect of Service Water Temperature on Capacity of Liquid .

The temperature of the sealing fluid (in this case water) can have a dramatic effect on the capacity of a liquid ring vacuum pump. The performance data, which DEKKER Vacuum Technologies publishes, are based on using 60°F water as the sealing liquid for the vacuum pump.

Dewatering Vacuum Pumps For Paper Machinery | Vooner

Vooner provides cooling towers used for cooling vacuum pump seal water to allow the vacuum pump to run cooler with not lose air flow through the pump.In the forming section on the forming wire, Vooner can redesign your hiVac discharge systems, supply or repair hiVac boxes, gravity foil boxes, or drainage boxes complete with polyethylene foil .

Laboratory vacuum pumps | Welch Vacuum Products

Oil diffusion pumps from Welch are used to generate a high and ultra-high vacuum up to a pressure range of 5x10-7 mbar with an extremely high pumping speed. Besides single pumps, Welch also offers complete oil diffusion pump systems.

paper industry roots blower- Vacuum Pump - EVP Vacuum .

Blower for paper mill. Essential information: 1) Model: SSR blower roots vacuum pump. 2) Air capacity: 0.7-58 m3 / h 3) Discharge differential pressure: 10-80kpa

SIHI LEM Manual - Nash Pumps

the pump on the suction side and is discharged with the compressed gas. The volume of the liquid ring within the pump should be regulated for optimum performance. The service liquid entering and leaving the pump serves to carry away the heat of compression imparted. The temperature rise across the vacuum pump normally is approximately 4°C (7 .

Effect of Service Water Temperature on Capacity of Liquid .

The temperature of the sealing fluid (in this case water) can have a dramatic effect on the capacity of a liquid ring vacuum pump. The performance data, which DEKKER Vacuum Technologies publishes, are based on using 60°F water as the sealing liquid for the vacuum pump.

10 Common Self Priming Pump Issues | Pumps & Systems

Most experts agree that the majority of centrifugal pump problems occur on the suction side of the pump. Based solely on my experience, I would state the percentage is at least 80 percent, and in the case of self-priming pumps I am sure the percentage is higher. I started a list of self priming pump field issues many years ago and noted that almost all of them break down to 10 fundamental areas.

How to Operate and Maintain Your Liquid Ring Vacuum Pump .

Never store a vacuum pump in a place where the temperature could drop below freezing as this would cause the sealing liquid to solidify. Setting up: Even though liquid-ring vacuum pumps run smoothly and slowly, they need to be situated on stable surfaces, preferably floors or concrete mounts. If the vacuum is small, place it on a floor or skid.

Vacuum Pump Separator/Silencers - VANEC

Vacuum systems using liquid ring vacuum pumps are typically closed-loop on the suction side of the pump and discharge to atmosphere on the outlet side of the pump. The size of the separator/silencer is dependent on the inlet gas flow in ACFM, and the seal fluid liquid load in GPM.

Vacuum pumps - Function, Advantages & Applications - SPA

The vacuum pumps and compressors are rotary positive displacement pumps that cover a wide range of applications. The applications are in chemical, petrochemical, pharmaceutical, paint industries as well as general industries. The internals of the fluid ring vacuum pump or compressor are partially filled with fluid in operation.

Vacuum pump - Wikipedia

History Early pumps. The predecessor to the vacuum pump was the suction pump. Dual-action suction pumps were found in the city of Pompeii. Arabic engineer Al-Jazari later described dual-action suction pumps as part of water-raising machines in the 13th century. He also said that a suction pump was used in siphons to discharge Greek fire. The suction pump later appeared in medieval Europe from .

Vacuum Pump - an overview | ScienceDirect Topics

C.A. Walker, in Advances in Brazing, 2013. 16.5.1 Braze processing tips. Required vacuum pump-down times will be significantly decreased if the vacuum furnace hot-zone temperature is approximately 20–30 °C above ambient room conditions any time the furnace chamber is exposed to air. This is especially important when high humidity conditions are present.

Main affect of vacuum pump discharge pressure - Knowledge .

And form a vacuum the suction port, that is to say, the discharge pressure is another major factor which affecting the operating efficiency of the liquid ring vacuum pump. The discharge pressure has big impact on the vacuum pump capacity and shaft power consumption. When the vacuum pump system is running, if the discharge pressure is larger .

Vacuum Pump Oil - HVAC School

Dec 26, 2018 · Typical vacuum pump oil is mineral oil that is refined, has low vapor pressure and specific viscosity for the application it is being used in, high temperature or low-temperature applications. Oil selection for the average tech comes down to reading the literature from your pump manufacturer and matching it to the best oil.

622 5H25, 25hp, 230/460V, 3-ph, 60Hz @ 3600rpm

The Stokes 6" series must be backed by a primary vacuum pump designed to discharge to atmospheric pressure. Examples of suitable backing pumps are listed below: • Microvac series piston pumps • GV Drystar or Chemical Drystar dry pumps • EM or ES oil sealed pumps • Two stage LR series liquid ring pumps

Oilless Vacuum Pumps | McMaster-Carr

Since these pumps don't require lubrication, there's no risk of oil contamination. Maximum flow rate is the rate at which air is pumped before a vacuum is created. Flow rate steadily decreases as the pump generates the vacuum. The larger the tank, the longer it will take to form a vacuum.. Style A pumps are often used for air and gas sampling, controlling compressed air flow, and vacuum .

Blower Silencers, Vacuum Pump Silencers | pdblowers, Inc.

A discharge silencer is typically used on a vacuum application. . Increased pressure drop results in higher horsepower for the blower or vacuum pump. Size INLET SILENCER DISCHARGE SIL. 4 psig DISCHARGE SIL. 6 psig DISCHARGE SIL. 8 psig . Est. Temp. 70°F: 115°F: 140°F: 165°F: 190°F: 240°F: Related Resources

Installation and Maintenance Instructions - Busch Vacuum

As far as temperature is concerned, the pump is suitable for continuous . permissible number of startings per hour: 6. Operating principle. The COBRA DS 0080-2000 G vacuum pumps are COBRA NS screw vacuum pumps with cooling water and nitrogen circuits. . A pressure sensor PRV at the discharge monitors the discharge pressure. If the pressure .

Liquid Ring Vacuum Pumps | Reliable NASH Solutions

The popular NASH AT two stage vacuum pumps have been providing reliable high vacuum performance in the power industry for over 25 years. With four models ranging from 500 - 2500 CFM and vacuum levels as low as 1" HgA, the AT's are an ideal choice when you need a rugged and long lasting machine to handle your saturated process gases.

Can Liquid Ring Vacuum Pump Creates Vacuum up to 760 mm of .

The temperature of the seal fluid directly affects the vacuum at which the pump can operate. A good troubleshooting device to have installed on the system is a bi-metal thermometer. This will indicate the temperature of the seal fluid so it can be compared to design.

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-

Industrial Vacuum Pumps and Systems | Dekker Vacuum .

Dekker Vacuum Technologies, Inc. specializes in custom-engineered vacuum systems and offers a wide range of industrial vacuum pumps, compressors and vacuum pump systems.

Vacuum pumps | Machine Design

All three performance criteria -- vacuum, flow and power -- can be affected by pump temperature. At higher vacuum levels, little air flows through the pump, so little heat is transferred to the air.

Vacuum Pumps Common Problems and Troubleshooting

acetone or alcohol, or either Pump down with vacuum pump overnight. o Process equipment leaks – Check process equipment for leaks. o Improper flow of vacuum pump oil – Clean oil ducts. o Contamination of vacuum pump oil – Change pump oil, o Discharge valves malfunctioning – Check valves per "Discharge Valves".

Laboratory vacuum pumps | Welch Vacuum Products

Oil diffusion pumps from Welch are used to generate a high and ultra-high vacuum up to a pressure range of 5x10-7 mbar with an extremely high pumping speed. Besides single pumps, Welch also offers complete oil diffusion pump systems.

Ejector Troubleshooting Tips from Graham Corporation .

Low ejector discharge temperature: 4a. Reduced ejector capacity: 4. The motive steam is wet, therefore, steam piping must be insulated and a moisture separator and trap added in the motive steam line just before the ejector : 5. Higher than design discharge pressure: 5. Poor ejector performance, unstable operation, pressure swings: 5a.

Solberg Filtration | Filters, Silencers, Vacuum Filters .

Filters, Traps, & Silencers / Vacuum Pump Discharge & Air / Oil Separation / HDL Series: . Captures oil fog, mist or aerosol from exhaust of oil sealed vacuum pumps; . Continuous operating temp: 68°F (20°C) to 180°F (80°C) Mounted vertically;