Parts for Welch Vacuum Pumps

Precision Plus Vacuum Parts Repair Kits and Parts for Welch Rotary Vane Vacuum Pumps.

Precision Plus offers high quality repair kits and spare parts for a wide range of Welch belt driven and direct drive vacuum pumps. All Precision Plus parts carry our "form fit and function" performance guarantee and we use precision engineered, high quality parts in all of our vacuum pump repair kits.  

We maintain a state of the art inspection and testing facility where all parts are checked for proper performance and fit. Every part we sell must pass a rigid and thorough incoming inspection process.

Precision Plus vanes for Welch vacuum pumps are made from our proven high strength GX polymer similar to that used by many of today’s OEM pump manufacturers. This provides a durable vane that is both thermally stable and corrosion resistant for most vacuum pump applications. Precision Plus also offers traditional cast iron vanes for belt driven Welch models. In addition to repair kits Precision Plus also offers a selection of precision machined shafts, rotors and rings (stators), both intake and exhaust, for many Welch belt driven pump models. 

The Precision Plus range of replacement parts covers ChemStar Series (belt driven) models 1400N, 1402N, 1376N;  Duo-Seal Series (belt driven) models including 1402, 1376, 1400, 1410, 1397, 1405, 1398; Director Series (direct drive) models including 8806, 8811, 8814, 8821, 8851; and the latest generation of direct drive Welch vacuum pump models including 8905, 8907, 8912, 8915, 8917, 8920 and 8925.

Precision Plus repair kits are offered in a variety of configurations to ensure you get the parts you need and only the parts you need. Seal and gasket kits include all of the required shaft seals – both mechanical and lip seal types, gaskets, o’rings and other items required for light pump maintenance. Major kits typically include the components of the seal and gasket kits and in addition include vanes, bearings and other items required for more extensive pump maintenance. All of our kits components are also sold individually so that you may purchase only the items that you need.

Besides repair kits and individual parts, Precision Plus also supplies vacuum pump fluids and oils engineered specifically for use in Welch vacuum pumps.  

Precision Plus maintains an extensive inventory of individual parts and vacuum pump repair kits to minimize lead times and just in time delivery helps you reduce your on-site inventory. Most orders received by 4:00 pm Eastern Time ship same day.

Ready to place and order or have a question or need technical assistance? Contact us today to find out more about what we can do for you and experience world class customer service and support from our highly trained team of customer care and technical support representatives.