Welch

Three features to extend service intervals: Cool running slows rate of corrosion and slows down rates of oil consumption Large oil capacity minimizes the rates of oil breakdown and reduces chemical attack within pump Internal surface protection on pump internals and PTFE coating on oil case slows...

Durable, chemical resistant PTFE construction Easy to operate and maintain Use Welch ® DryFast ® diaphragm vacuum pumps for tough applications requiring chemical resistance. DryFast’s Advanced Vapor Management controls vacuum for precise distillations using handy adjustment knob....

The Welch vacuum hose measuring 1/4 Inch x 1/2 Inch x 5 Feet, is suitable for use with vacuum pump. It ensures smooth functioning and long lasting usage. This accessory is made of sturdy material which offers enhanced durability.

Welch ISO NW inlet connectors made with aluminum for high vacuum pumps.

Maintained or momentary operation Hands-free operation Plugs directly into power source No adapters or special connections On/Off foot switches are compatible with selected dry vacuum pump models. Switches handle up to 15 amps. 1233K59 and 1233K60 comes with a 3-prong U.S. standard plug with 8 ft....

DuoSeal™ Vacuum Pump Oil. Tested to high vacuum levels, this oil meets rigid requirements for vapor pressure, stability and viscosity. 5-gallon container.

The Welch hose clamp is suitable for use with 1/4 and 3/16 Inch hose, which is used with vacuum pump. It ensures smooth functioning and long lasting usage. This accessory is made of sturdy material which offers enhanced durability.

Refrigeration duty pumps are based on Welch's proven DuoSeal technology. Elastomers are compatible with today's refrigerants.

The Welch vacuum hose measuring 5/8 Inch x 5 Feet, is suitable for use with vacuum pump. It ensures smooth functioning and long lasting usage. This accessory is made of sturdy material which offers enhanced durability.

The Welch replacement filter element is used for the elimination and removal of very fine and small particles that is normally not filtered through regular filter paper.

The Welch pump V-belt kithas specially formulated design and is a critical item to have in chemical laboratories to enhance the performance of various experiments and analysis.

Filters trap exhaust oil mist and reduce pump noise. They are supplied with housing and replaceable filter.

The compact Model 1640 Vacuum Controller regulates you’re the vacuum level of your application - precisely, conveniently, and without using precious bench space. Vacuum level can be regulated from 2 Torr to atmospheric pressure, ±1 Torr. Use Model 1640 for fine control of rotary...

Welch Belt-drive vacuum pumps are known for their ruggedness world-wide in the most demanding applications.

Ideal for intricate tubing systems in laboratories, these elbow connectors facilitate the formation of 90-degree connections between tubes. These connectors are designed to ensure a secure fit and minimize leakage, contributing to reliable and accurate experimental results. Their robust construction...

The Welch pump service kit is a necessary tool kit to have in any jobsites as well as in any of the construction sites. This kit is compatible to use with 2522 pumps.

The Welch NW 16 - 5/8 Inch hose adapter is suitable for use with vacuum pump. It ensures smooth functioning and long lasting usage. This accessory is made of sturdy aluminum material which offers enhanced durability.

The Acid Neutralization Trap contains a large alkaline element cartridge to neutralize hydrous acids before they enter the vacuum pump. The element changes from white to bluish-transparent when spent and can be observed through the transparent trap body.

Economical Oil Free Adjustable Vacuum / Pressure Use these affordable oil-free pumps to provide convenient vacuum throughout the lab. Welch WOB-L piston pumps provide adjustable vacuum for filtration, SPE, vacuum ovens, and more. These pumps are an efficient alternative to water aspirators. Select...

The Welch vacuum hose measuring 3/4 Inch x 10 Feet, is suitable for use with vacuum pump. It ensures smooth functioning and long lasting usage. This accessory is made of sturdy material which offers enhanced durability.

The Welch major service kit is the perfect kit to have in jobsites as well as in construction sites for the urgent repair, maintenance and monitoring of vacuum pumps. It contains all the necessary tools that are required to keep the pumps running.

Product Details Corrosion Resistant Fitted Explosion Proof Motor (Class I, Groups C & D; Class II Groups F & G) with CSA/UL Mark Portable Suggested Applications Vacuum Filtration Vacuum Oven Welch corrosion-resistant diaphragm pumps are driven by explosion proof motor. The aluminum pump head...

The Welch one-head service kit is a necessary tool kit to have in any jobsite for the maintenance and repair of vacuum pumps. This kit is compatible to use with air compressor and vacuum pumps.

For use with Concentrators and Rotary Evaporators Fluorinated plastics used on all wetted parts Solvent resistant at boiling points under 100°C Portable System is powered by a 1/8 hp, corrosion-resistant, PTFE pump. All wettable parts, including the diaphragm and valves are PTFE. Vacuum level...