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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...
Welch Belt-drive vacuum pumps are known for their ruggedness world-wide in the most demanding applications.
The Welch gas ballast adapter kit is made from strong and sturdy metal that offers good corrosion resistance thus enhancing the durability. This fitting provides a secure connection forming a leak-proof seal.
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 reservoir temperature to...<>
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...
Exhaust Vane for Direct Drive Rotary Vane Pumps. Fits Thomas 7893R16, 1233K88, 7893R19, 1233K89, 7893R22, 1233K90. Fits Welch 8907A, 8907C-02, 8912A, 8912C-02, 8917A, 8917C-02. Phenolic material.
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.
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 dry 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....
The Welch two-head 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.
DuoSeal™ Vacuum Pump Oil. Tested to high vacuum levels, this oil meets rigid requirements for vapor pressure, stability and viscosity. 5-gallon container.
DuoSeal rotary vane vacuum pumps are proven performers with low pump RPM to ensure long service life with durable precision machined steel rotor, cast iron intake, exhaust ring and metal vanes. DuoSeal models are used on the most demanding service applications such as purge pump on absorption...
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.
Chemical Duty High Vacuum Pump with integral oil filtration system. 5.6 CFM x 0.0004 torr, 230v/60hz, 1phase, CUL.
Welch Major repair kit includes everything in minor repair kit plus large and small metal vanes for use with Duoseal® vacuum pumps.
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.
Diaphragm pumps for chemical applications - type MPC - are chemically compatible and resistant to aggressive solvents and acid vapors which are common in laboratories. The diaphragms are made out of elastomer and PTFE. The pump and connection heads are carbon fiber reinforced. Their electrical...
The Welch inline filter kit is used for the elimination and removal of very fine and small particles that is normally not filtered through regular filter paper.
The Welch connecting rod assembly with a strong construction is mainly used in jobsites and construction sites and is compatible to use with 2561/2563 pumps.
Aluminum Hose Adapter sits on NW16 Centering Ring Assembly, inlet/exhaust flange, with hinged clamp, to present a 3/8" hose barb to accept vacuum hose with 3/8" ID or if using hose clamps, 1/2" and 5/8" ID hose also