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Ptfe Expansion Bellow

Name: Ptfe Expansion Bellow
Brand: AK Sealing Systems Pvt Ltd.
Price: 2000.0 INR
Availability: InStock

Price 2000.0 INR/ Unit

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MOQ : 1 Unit

Ptfe Expansion Bellow Specification

Bore
Customizable (commonly 25 mm to 600 mm)

Sealing
PTFE gasket/O-ring

Max. Speed
Static part; not intended for rotation

Head Code
Round

Connection
Flanged

Torque
Not applicable for static bellow

Material
Polytetrafluoroethylene (PTFE), flanges generally in Stainless Steel

Structure
Single or multi-bellow convolutions

Standard
ASME, DIN, ISO, JIS possible

Inner Diameter
25 mm - 600 mm (variable by model)

Outer Diameter
Varies according to inner diameter and number of plies

Application
Absorbing axial, lateral and angular movements in pipe systems; chemical, pharmaceutical, food, and biotech industries

Surface Treatment
Smooth PTFE lining

Technique
Molded or welded

Shape
Cylindrical with convolution

Flange Drilling Standard
Compatible with DIN, ANSI, or JIS flange standards

Life Expectancy
Designed for prolonged use in corrosive environments

Number of Convolutions
1 to 6 (custom as required)

Temperature Range
-60C to +200C

Movement Absorption
Axial, lateral and angular

Color
White bellow, metallic flange

Pressure Rating
Up to 10 bar (varies by size and construction)

Installation Orientation
Horizontal or vertical positions possible

Leakage Rate
Zero leakage under rated conditions

Vacuum Resistance
Suitable for full vacuum (check model limits)

Electrical Properties
Non-conductive, anti-static grades available

Media Compatibility
Resistant to most chemicals, corrosive fluids, acids, and alkalis

Weight
Depends on size and construction, generally lightweight compared to metal bellows

Compliance
FDA and USP Class VI compliant grades available

Ptfe Expansion Bellow Trade Information

Minimum Order Quantity
1 Unit

Delivery Time
7 Days

About Ptfe Expansion Bellow

Ptfe Expansion Bellow Product Description

Ptfe Expansion Bellow are high-performance flexible components manufactured from premium quality PTFE (Polytetrafluoroethylene), commonly known as Ptfe Expansion Bellow. These bellows are specially designed to absorb vibration, compensate thermal expansion, and provide excellent resistance against corrosive chemicals, high temperatures, and aggressive industrial environments.

PTFE bellows are widely used in chemical processing, pharmaceutical, petrochemical, food processing, and water treatment industries due to their superior flexibility, non-stick properties, and long service life.

Features

Excellent chemical and corrosion resistance
High temperature resistance
Flexible and lightweight construction
Non-stick surface with low friction
UV and weather resistant
Leak-proof and maintenance-free design
Suitable for handling acids, solvents, and corrosive fluids
High durability and long operational life

Applications

Chemical processing plants
Pharmaceutical industries
Acid and alkali transfer lines
Pump and pipeline connections
Water treatment systems
Petrochemical industries
Food and beverage processing
Vacuum and pressure systems

Specifications

Material: PTFE
Size Range: Customizable as per requirement
Temperature Range: Up to 260C
Pressure Rating: As per application requirement
Available Types: Molded, Convoluted, Flanged, Flexible Bellows

Advantages

Prevents pipeline damage due to vibration and expansion
Reduces maintenance cost
Enhances equipment safety and efficiency
Suitable for highly corrosive applications
Excellent sealing and flexibility performance

Engineered for Versatile Environments

PTFE Expansion Bellows offer reliable media compatibility, resisting nearly all chemicals as well as aggressive acids, alkalis, and solvents. Their robust design makes them ideal for use in chemical, pharmaceutical, food, and biotech industries where controlling leaks and maintaining purity are critical.

Flexible Movement Absorption

Designed to handle axial, lateral, and angular movements, these bellows protect pipeline integrity during thermal expansion, vibration, or movement. The number of convolutions can be tailored from 1 to 6 based on your application's specific needs, ensuring optimal flexibility and life expectancy.

Compliance and Safety Assured

Constructed with non-conductive and anti-static PTFE options and available with FDA and USP Class VI compliant grades, these expansion bellows guarantee safety for sensitive and high-purity processes. Their compatibility with DIN, ANSI, and JIS flanges ensures seamless integration into existing systems.

FAQ's of Ptfe Expansion Bellow:

Q: How are PTFE Expansion Bellows installed in pipe systems?

A: PTFE Expansion Bellows can be installed in both horizontal and vertical orientations using flanged connections compatible with DIN, ANSI, or JIS standards. They are positioned to absorb expected pipeline movements, and a PTFE gasket or O-ring is used for effective sealing.

Q: What types of movements do these bellows absorb?

A: These bellows are designed to accommodate axial, lateral, and angular movements in piping systems, helping to prevent damage from thermal expansion, misalignment, or vibration.

Q: When should PTFE Expansion Bellows be used over metal bellows?

A: PTFE Expansion Bellows are preferable when dealing with corrosive or high-purity media that could degrade metals, as PTFE is resistant to most chemicals, acids, and alkalis. They are ideal for chemical, pharmaceutical, and food processing industries.

Q: Where are PTFE Expansion Bellows typically applied?

A: Typical applications include installations in chemical processing plants, pharmaceutical production, food manufacturing, and biotechnology facilities where chemical stability, leak prevention, and compliance are required.

Q: What is the process for selecting the right bellow size and configuration?

A: Selecting the proper PTFE bellow involves assessing the required bore size, number of convolutions, pressure and vacuum rating, temperature range, movement absorption needs, and flange compatibility. Customization ensures optimal performance tailored to the application.

Q: What are the benefits of using PTFE Expansion Bellows?

A: Benefits include excellent chemical resistance, zero leakage under rated conditions, compatibility with high purity standards, long service life in corrosive environments, and flexibility in absorbing movement, which collectively enhance system reliability and reduce maintenance.

Q: Are these bellows suitable for vacuum applications?

A: Yes, these bellows are suitable for full vacuum conditions, though it is recommended to verify the specific model's vacuum limits to ensure compatibility with your operating requirements.

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