Nitrile Rubber Bellows

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Product Details:

Length Customizable
Natural Rubber No, made from Nitrile Rubber (NBR)
Weight Varies as per size and thickness
Part Type Expansion Joint/Bellow
Components Rubber body, metallic flanges/ends (optional)
Flame Resistance Level Self-extinguishing, meets basic flame retardancy
Hardness 605 Shore A
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Nitrile Rubber Bellows Price And Quantity

Minimum Order Quantity 1 Piece

Nitrile Rubber Bellows Product Specifications

Nitrogen Content (%) 0.5% (typical)
Tensile Strength 12 15 MPa
Tolerance 2 mm
Water Absorption Negligible (<5%)
Diameter 50 mm to 600 mm (as per requirement)
Density 1.2 Gram per cubic centimeter(g/cm3)
Material Nitrile Rubber (NBR)
Feature Oil, fuel and chemical resistant; flexible; high durability
Usage & Applications Industrial pipe coupling, vibration absorption, sealing in pumps and compressors, automotive industry, chemical plants
Thermal Conductivity Low (typically 0.20 W/mK)
Color Black
Resistance level High resistance to oil, fuel, acids, and alkalis
Thickness 3 mm 12 mm
Compression Ratio Up to 10% of extended length
Rubber Type Nitrile (NBR)
Product Type Rubber Bellows
Width Customizable as per application
Surface Finish Smooth, matte
Volatile Matter (%) 1.5%
Temperature Resistance -30C to +120C
Size 2 inch to 24 inch (custom sizes available)
Ash % 1% (typical)
Hardness 605 Shore A
Style Flexible, corrugated/convoluted
Components Rubber body, metallic flanges/ends (optional)
Flame Resistance Level Self-extinguishing, meets basic flame retardancy
Natural Rubber No, made from Nitrile Rubber (NBR)
Length Customizable
Weight Varies as per size and thickness
Part Type Expansion Joint/Bellow

Nitrile Rubber Bellows Trade Information

Supply Ability 15 Piece Per Day
Delivery Time 1 Week

Product Description

With the support of our diligent employees, we are indulged in manufacturing and supplying Nitrile Rubber Bellows. These are made by the utilization of nitrile rubber and can be cast into a specific shape. They are specifically made of nitrile rubber as it offers resistance to oil and heat and copes with moisture. Thus, it is widely used as an expansion joint or cover for connecting moving parts. Moreover, the volume of their flexible bag can be easily changed by expansion or compression. Further, Nitrile Rubber Bellows are often used for protecting inner components against bleaches, acids, water, dust, and oil.

Superior Oil and Chemical Resistance

Thanks to their NBR composition, these bellows withstand exposure to oil, fuel, acids, and alkalis. This makes them especially beneficial in applications where chemical durability is essential, minimizing the risk of material degradation and ensuring long operational life in challenging industrial settings.

Flexible and Customizable Solutions

Available in a range of widths, diameters (50 mm to 600 mm), and thicknesses (3 mm to 12 mm), nitrile rubber bellows can be tailored to specific installation requirements. With options for moulded or bonded flanges and threaded inserts, they simplify integration across diverse piping systems, maximizing adaptability.

Enhanced Durability and Safety

Reinforced with fabric or wire, and with a burst pressure rating of 1025 bar, these bellows are engineered for heavy-duty performance. They also exhibit self-extinguishing properties and negligible water absorption, ensuring safety, reliability, and longevity even in demanding environments.

FAQs of Nitrile Rubber Bellows:

Q: How are nitrile rubber bellows installed in piping systems?

A: Nitrile rubber bellows are typically installed by bolting or clamping them between pipe flanges. Depending on your application, you can choose between moulded or bonded flanges, or use threaded inserts for secure attachment. Proper alignment and correct torque application help ensure a leak-free and reliable installation.

Q: What applications are suitable for these nitrile rubber bellows?

A: They are ideal for industrial coupling, vibration absorption, and sealing applications in pumps, compressors, chemical plants, the automotive sector, and other piping systems that require flexibility and resistance to aggressive media.

Q: Where can these bellows be used outdoors?

A: With very good ozone resistance and robust construction, these bellows are well-suited for outdoor installations, including exposed piping, HVAC systems, and outdoor pump systems. Their strong chemical and weather resistance ensures durability in varying climatic conditions.

Q: What are the benefits of using fabric or wire-reinforced bellows?

A: Reinforcement enhances the bellows burst pressure tolerance (1025 bar) and overall durability, making them suitable for high-pressure and vibration-prone environments. This extends operating life and reduces maintenance frequency, thereby improving system reliability.

Q: When should you consider replacing the bellows?

A: Lifespan typically ranges from 5 to 10 years with proper installation and maintenance. Replacement is recommended if you observe visible damage, a significant reduction in flexibility, or degradation due to extreme exposure or chemical attack.

Q: What standards do these bellows comply with?

A: Nitrile rubber bellows are manufactured in compliance with IS, DIN, and ASTM standards, ensuring consistent quality and reliable performance as flexible connectors in critical industrial applications.

Q: How does the low gas permeability of nitrile bellows enhance their usage?

A: Low permeability to gases makes these bellows suitable for air and gas applications, maintaining system efficiency and preventing leaks even under fluctuating pressure or temperature conditions.

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