Bellofram Corporation

In 1950, Bellofram introduced the original rolling diaphragm for a wide variety of industries and applications. Since that time, over one billion diaphragms have been used successfully throughout the world. The performance of the rolling diaphragm depends, in large part, on the preparation of materials. Raw materials are accepted after close scrutiny and absolute conformity to tight specifications.

World’s Largest Production Capacity

160,000 sq. ft. of manufacturing space

100+ molding presses in a wide range of sizes and capacity

Industry’s largest in-stock tooling inventory

In house custom mixing

In house tool design & manufacturing

Single or double coated

Broadest Design Parameters

Sizes range from 1/4″ to 32″ diameter

Elastomers for hostile environments

Temperature ranges from -120°F to +600°F

Fabrics for pressures up to 1,000 psi

Emphasis on Customer Service

Experienced application engineers

Knowledgeable sales staff

Fast turnaround on quotations, prototypes

Fast delivery-in ones or thousands

Primary Activity

Manufacturer of Elastomeric Diaphragms, control systems, diversified electronics and sensors.