Product Attributes


All products included in our catalog are manufactured according to specifications with the highest regard to performance and reliability.


Hofmann offers you a wide assortment of materials including brass, steel, stainless steel and the option of chrome or nickel plating on many of our items.


Though we include a wide range of sizes and materials in our catalog, we encourage you to approach us with your special requirements.


A variety of seal materials enables Hofmann to provide products for a wide range of media. Check the following chart for specific material and temperature range application.

Seal Material Temperature Range

Buna-N -40°F to +250°F
Ethylene-Propylene -65°F to +300°F
Neoprene -65°F to +300°F
Viton -20°F to +400°F