Welch
-
The Welch complete condenser assembly comes with a condenser, 1 Liter round bottom flask, tubing, support and clamp. Assembly is compatible to use with dry fast, self-cleaner pumps. Application: For Dryfast, Self-Cleaner Pumps
-
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…
-
Welch Pump Oil
WelchDuoSeal™ Vacuum Pump Oil. Tested to high vacuum levels, this oil meets rigid requirements for vapor pressure, stability and viscosity. 5-gallon container.
-
Welch Hydrophobic Filter
WelchThe Welch hydrophobic filter is used for the elimination and removal of very fine and small particles that is normally not filtered through regular filter paper.
-
Welch 8-Channel Adapter
WelchThe Welch eight-channel aspirator adapter without ejector offers a good connection and is ideal to use in medicinal facilities for removing any complications such as mucus, saliva or blood from a person's airway.
-
High contamination tolerance Ultimate vacuum <0.001 Torr Low RPM for long service life DuoSeal Vacuum Pumps are known for their ruggedness world-wide. These pumps have large oil reservoirs to dilute contaminants. Low pump rpm to reduces friction and wear while minimizing…
-
Welch Pump V-Belt
WelchThe Welch pump V-belthas specially formulated design and is a critical item to have in chemical laboratories to enhance the performance of various experiments and analysis.
-
DirecTorr Gold Pump Oil
WelchDirecTorr Gold oil is a synthetic hydrocarbon oil put through a double molecular distillation process. Gold oil is extremely stable under high temperature, has excellent resistance to chemical attack and provides superior protection for the pump's internal metal components. Recommended for…
-
The Welch replacement element has a leak-proof design and construction that enhances durability. This element is compatible to use with 1420H-21 acid neutralization traps.
-
The Welch diaphragm pump four-head service kit contains diaphragms, valves and O-rings. This kit is compatible to use with 2054/2052 4-head vacuum pumps.
-
Affordable Model 2019 vacuum pump is durable and chemcial resistant. Use Model 2019 for vacuum filtration, desiccation, degassing, and other mid-range vacuum applications. Free air flow 37L/min; Maximum vacuum 24" Hg. Pump can also be used to pressurize up to 18 PSIG. Comes standard with…
-
Welch Standard Duty* vacuum pumps use dry, oil-free WOB-L® Piston technology to deliver industry-leading, strong pumping dynamics that support filtration, drying, aspiration, parts forming, and other rough vacuum applications. There are 17 models available, with free air displacement from 0.4 cfm…
-
Welch Replacement Gasket
WelchThe Welch replacement gasket has a leak-proof design and construction that enhances durability. This gasket is compatible to use with 1417B exhaust filters.
-
Welch Interconnect Kit
WelchThe Welch small interconnect kit includes all the necessary repair tools and accessories that are required to keep the ovens in pristine working conditions.
-
Welch Vacuum Service Kit
WelchThe Welch vacuum 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.
-
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…
-
Welch Pump Service Kit
WelchWelch Two head service kit includes 2 connecting rod assemblies, 2 valve plate assemblies, piston cups, muffler, gaskets and o-rings. It also includes seals service kit. For use with standard duty dry piston pump kits.
-
The Welch vacuum regulator kit is useful for controlling, stabilizing and monitoring of vacuum devices in commercial as well as residential environments.
-
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 2032, 2042, 2047 vacuum pumps.
-
The Welch diaphragm pump 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.
-
Welch 4-Channel Adapter
WelchThe Welch four-channel 150 mm aspirator adapter offers a good connection and is ideal to use in medicinal facilities for removing any complications such as mucus, saliva or blood from a person's airway.
-
Welch Major Repair Kit
WelchWelch Major repair kit includes everything in minor repair kit plus large and small metal vanes for use with Duoseal® vacuum pumps.
-
MP models use aluminum pump heads suitable for pumping non-reactive gases/vapors such as air, noble gases and water vapor. PTFE diaphragms are used because they offer longer lifetime than conventional elastomer diaphragms. The diaphragms consist of a PTFE membrane sandwiched to a strong non-wetted backing.
-
Welch Belt-Driven Pump
WelchWelch Belt-drive vacuum pumps are known for their ruggedness world-wide in the most demanding applications.
-
Eliminate cold-trapping, messy oil maintenance, and the threat of oil contamination to your sample. Handle even high chemical vapor loads for simple, efficient deep vacuum. ChemStar Dry excels where no dry vacuum pump has before – the first practical alternative to oil-seal rotary vane pumps.…
-
Welch V-Belt Kit
WelchThe Welch 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.
-
Oil free 115 or 230V versions Autoclavable receiver Standard oil-free station is an economical portable solution for aspirating or filtering. Unit will shut off automatically when 1.2 L collection receiver is full. All wetted parts are treated for corrosion protection from moisture.…
-
-
Welch Blank Off Flange
WelchWelch Blank off flange made with stainless steel. To close off unused ports.
-
Welch Minor repair kit includes shaft seal, intake screen, gaskets, springs, valves and spring holders for use with Chemstar® vacuum pumps.
-
For rebuild/repair of Welch small 4-head Chemical Duty Dry Membrane Vacuum Pumps, including Models MPC201T and MPC1010. Contains 4 membranes, 8 valves, and affiliated O-Rings
-
The Welch major rotary vane pump repair kit is used for the maintenance, repair and monitoring of vane pumps. This kit is compatible to use with ChemVac 8965, 8970 pumps.