Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.
Customized EPDM NBR Rubber Bellows Expansion Joint
Rubber Bellows Expansion Joint are used as a cover or expansion joint to protect device or machines, which are made by rubber compression molding, rubber injection mold or extrusion tool.
Rubber Expansion Bellows are designed as a cover mainly protect against dust, water, oil, grease, acids, bleaches, spatter or other environment elements.
Rubber Bellows Expansion Joint-Main Structions and Shapes
Straight Convolution Rubber Bellows |
Spiral Convolution Rubber Bellows |
Concentric Rubber Bellows |
Tapered Rubber Bellows |
Metal+Rubber Overmold Bellows |
Rubber Bellows with Clamping, Hole & Lock |
RUBBER COUMPOUNDS TYPES AND REFERENCES | ||||||||
Material | Abbreviation | Temperature Range (dry heat) | Aging Weathering Ozone | Oil& Grease Resistance | Water Swell Resistance | Flex-Fatigue | Economy of Material | Material Notes |
(Neoprene) | CR | -40F to 250F | Good | Good | Average | Very Good | Good | exposure to refrigerants, can be compounded for FDA applications |
Nitrile | NBR | -22F to 212F | Poor | Very Good | Good | Good | Very Good | Automotive Applications, Good Oil Proof |
Ethylence-Propylene | EPDM,EPM | -60F to 300F | Very Good | Poor | Very Good | Good | Very Good | Outside Applications, Good Weather Proof |
Silicone | VMQ | -75F to 450F | Very Good | Average | Very Good | Very Good | Average | Medical Applications |
Fluorocarbon | FKM | 5F to 390F | Very Good | Very Good | Good | Average | Poor | Rubber King, Widely Applications |
Direction of Travel Required | straight-line motion |
articulating motion | |
Length of Travel Required | small delta between peak and valley of convolutes |
large delta between peak and valley of convolutes | |
Interface between Rubber Bellows Ends and Mating Components | An extended straight section with a hose clamp |
A locking grommet securing the bellows into a panel or sheet metal | |
An integrated flange with mounting holes | |
Completely enclosed bellows ends for protecting parts going up and down | |
Outside Constraints | Tapered rubber bellows for tapered mechanisms |
Straight rubber bellows (cylindrical rubber bellows) for components with external space constraints. | |
Other bellows with different convolutions | |
Working Environment | Important for materials adoption |
Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.
Fill in more information so that we can get in touch with you faster
Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.