BELLOFRAM CORPORATION

Elastomeric Division


In 1950, Bellofram introduced the original rolling diaphragm for a wide variety of industries and applications. Since that time, over one million diaphragms have been used successfully throughout the world.

World’s Largest Production Capacity

• 160,000 sq. ft. of manufacturing space
• 100+ molding presses in a wide range of sizes and capacities
• Industry’s largest in-stock tooling inventory
• In house custom mixing
• In house tool design & manufacturing
• Single or double coated

Broad Design Parameters

• Sizes range from 1/4″ to 32″ diameter
• Elastomers for hostile environments
• Temperature ranges from -120 0 F to +600 0 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

Unequalled Material Selection

• Fluorocarbon
• Fluorosilicone
• Silicone
• Epichlorohydrin
• Nitrile
• EPDM
• HNBR
• Chemraz
• Natural rubber
• Custom mixed elastomers
Many elastomers are 3A
USP Class IV and FDA compilant

Reinforcing Fabrics

• Polyester
• Nylon
• Nomex
• Knit/Woven fabrics