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About Us

Newman Sanitary Gasket Company is an innovative manufacturer and distributor of high purity gaskets, O-rings, diaphragms and custom products finding their applications in regulated industries such as Pharmaceuticals and Food & Beverage.

Founded in 1973 by David Wm Newman, Newman Gasket continues to be a family owned company with its manufacturing facilities in Lebanon, Ohio although our products are available around the world through our network of distributors that spans the globe.

Newman’s innovative products and proprietary compounds are of the highest quality available and are in compliance with the world’s most stringent certification requirements such as FDA and USP Class VI. There are many other standards that our products comply to. Newman quality means that we will help and guide our customers to find the best solution for their processes and guarantee performance of our products.

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Newman Sanitary Gasket Company’s mission is to continually grow in our ability to meet our customers’ needs and improve our capabilities. We strive for excellence in quality, service, supply, distribution, and product development and performance. You can count on Newman Sanitary Gasket Company as your number one provider for all your gasket needs.

Unique and proprietary compounds

Newman’s compounds are unique and formulated and supplied under our complete control. This way we can assure that the highest quality products are supplied suitable for the circumstances under which they are used.

Custom support

We work closely with our customers engineering, maintenance and supply chain to design, operate and maintain the best possible seals and diaphragms. Often, Newman provides a process specific solution working together with our customers.

Newman is affiliated with many (international) industry organizations such as ASME® (BPE) and ISPE®. Newman is ISO9001:2015 certified.

Newman Sanitary Gasket and Newman Diaphragms: Products of Integrity from People of Integrity.

We guarantee highest quality sanitary elastomer parts available on the market.

Quality Assurance

Quality Assurance

We monitor performance with Statistical Process Control (SPC), which drives our improvement and consistency.
Rigorous Testing

Rigorous Testing

Every batch of polymer and every lot of gaskets is tested for physical properties and optically inspected to meet tolerances.


Our inspectors are the gatekeepers to our inventory of high quality sanitary gaskets and elastomer parts.
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Newman Sanitary Gasket Company is a leading manufacturer of FDA and USP Class VI seals for High Purity Process applications such as the Pharmaceutical, Food & Beverage and Dairy industries. Newman Diaphragms provides world class replacement diaphragms for ITT®, Gemü®, Saunders® and Aquasyn® valves.

Get In Touch with Us

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Fax Number
P.O. Box 222 Lebanon, OH 45036
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Newman is always ready for consultation on your unique challenge. Give us your sealing challenge, and watch our experts work out solutions.

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