Automotive Rubber Sealing Bellows

Bellows: an elastic element used in pressure measuring instruments.It is a cylindrical thin-walled corrugated shell with multiple transverse ripples. The bellows are elastic and can produce displacement under the action of pressure, axial force, transverse force or bending moment.
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Product Details

Product Description 


NBR,EPDM,FKM,silicone etc


According to customer`s requirements




Compression molding




Inner plastic bag, outside carton


OEM services, free samples are available

Delivery time

15-20 days after order confirmed

Payment terms

T/T, LC, Western Union, Paypal

After service

Any question and issue, feel free to contact us

Product Application 

Bellows are widely used in instruments. Their main purpose is to convert pressure into displacement or force.The bellows tube wall is thinner, the sensitivity is higher, the measurement range is tens of pa to tens of mpa.In addition, the bellows may be used as a sealing isolation element to separate the two media or to prevent harmful fluids from entering the measuring portion of the device.It can also be used as a compensation element to compensate the temperature error of the instrument by the variability of its volume.Sometimes also used as two parts of the elastic joint and so on.

Product Catelogue

According to the composition of materials, bellows can be divided into two kinds: metal bellows, non-metallic bellows ; According to the structure, it can be divided into single-layer and multi-layer.Single layer bellows are more widely used.Multilayer bellows have high strength, good durability and low stress. They are used in important measurement.Bellows are generally made of bronze, brass, stainless steel, monel alloy and inconel alloy.

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