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OEM Molded Rubber Bellows Expansion Joints

Categories Silicone Rubber Sleeving
Brand Name: OEM
Model Number: OEM
Certification: SGS,ROHS,ISO
Place of Origin: CHINA
MOQ: 2,000PCS
Price: USD. Negotiation
Payment Terms: T/T, L/C, Western Union,Paypal
Supply Ability: 200,000pcs
Delivery Time: 7~15 work days
Packaging Details: PE+Carton
Outer/inner rubber material: NR, NBR, EPDM
Connection: Flange
Technics: Casting
Explosion pressure: PN30/PN48/PN55
Pressurized ring: steel wire strand
Shape: Equal
Product name: flexible rubber joints
Usage: reduce the quiver and noise of the piping system
Working pressure: PN10/pn16/pn25
Applicable temperature: -35℃~115℃, (-30℃~250℃ under special conditions)
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OEM Molded Rubber Bellows Expansion Joints

Nitrile Expansion Bellows,Molded EPDM Nitrile Neoprene Expansion Joint Flexible Dust Boots Cover Rubber Bellow

Product Introduction


Nitrile Expansion Bellows, also known as Nitrile Rubber Expansion Bellows & Nitrile Buna n Expansion Bellows are mainly used as a cover or expansion joint for connecting moving parts and protect inner components against oil, dust, water, grease, acids, bleaches, etc, also called protective cover and expansion joint bellows.

Nitrile Expansion Bellows are produced by silicone rubber compression molding, extrusion moulding or rubber injection moulding.

Product Specifications

Material of each components

No.NameMaterial
1Outer/inner rubberNR,NBR,EPDM
2Key frameNylon cord fabric
3Pressurized ringSteel wire strand
4FlangeQ235

Rubber Bellows Main Materials

MaterialAbbreviationTemperature RangeAging Weathering OzoneResistance to Oil & GreaseWater Swell ResistanceFlex-FatigueEconomy of MaterialMaterial Notes

Chloroprene

(Neoprene)

CR-40F to 250FGoodGoodAverageVery GoodGoodexposure to refrigerants,can be compounded for FDA applications
NitrileNBR-22F to 212FPoorVery GoodGoodGoodVery GoodAutomotive Applications, Good Oil Proof
Ethylence-PropyleneEPDM,EPM-60F to 300FVery GoodPoorVery GoodGoodVery GoodOutside Applications, Good Weather Proof
SiliconeVMQ-75F to 450FVery GoodAverageVery GoodVery GoodAverageMedical Applications
Fluo RubberFKM5F to 390FVery GoodVery GoodGoodAveragePoorRubber King, Widely Applications

Product Pictures


Nitrile Expansion Bellows Advantages:


1. Excellent Oil-proof: Excellent oil resistance ranks only second to polysulfide rubber, acrylate and FKM

2. High tensile strength and wear resistance.

3. Good Heat Resistance: Working Temperature ranging -35℃~115℃. (Short-period working: 120)

4. Good air tightness

5. Strong Adhesion


Nitrile Expansion Bellows Disadvantages:


1. Poor ozone resistance, against storage

2. Poor electrical property

3. No resistance to aromatic solvents, halogenated hydrocarbon solvents and ketones & esters solvents

4. Low elasticity

Quality OEM Molded Rubber Bellows Expansion Joints for sale
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