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Industrial Flange Rubber Expansion Bellows for Thermal Growth Compensation and Pump Vibration Damping

Industrial Flange Rubber Expansion Bellows for Thermal Growth Compensation and Pump Vibration Damping

Lugar de origen:

Porcelana

Nombre de la marca:

JINGNING

Certificación:

CE,ISO

Número de modelo:

RLJS

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Detalles del producto
OEM/ODM:
por 20 años de experiencia
Nombre del producto:
Resistente de alta presión estándar de goma de la junta de dilatación en la tubería modificada para
Palabra clave:
Estándar de junta de expansión de caucho
Material:
EPDM, NBR, NR, CR, FKM
Tamaño:
DN50
Estándar de brida:
PN10/16, Clase 150#, Clase 300#, JIS5K, JIS10K
Color:
Negro
Forma:
Redondo
Material de la brida:
Q235, SS304, SS316, SS316L
Tratamiento superficial:
Frío galvanizado
Diámetro nominal:
32mm - 1800mm
tiempo de garantía:
12 meses
en stock:
20000
Tipo de Businese:
Fabricante de juntas de expansión de caucho
Material de brida:
Acero al carbono, SS304, SS316
Marco principal:
Tejido de cordones de nylon
Resistencia:
Resistente a la corrosión y la abrasión
Temperatura de trabajo:
-20 ℃ ~ 150 ℃
Característica:
Pequeño volumen
Garantía:
12 meses
Ángulo de desviación:
10 ° - 15 °
Desplazamiento axial:
6-18 mm
Tipo de empresa:
Fábrica
código de cabeza:
Redondo
Dibujos de productos:
Oferta
Tipo de conexión:
Con bridas
OEM:
Fuerza:
Manual
Material de unión de goma:
EPDM, NBR, CR, PTFE, etc.
Soporte personalizado:
OEM, ODM
Medio de funcionamiento:
Agua, Aceite, Aire, Productos Químicos
Medios aplicables:
Aire, agua, aceite, ácidos débiles y álcalis
Estándar:
DIN/ANSI/JIS/BS: el nombre del fabricante
Manual de instalación:
Oferta
Solicitud:
Sistemas de tuberías
clasificación de temperatura:
200 ° F
Norma de brida:
ANSI, DIN, JIS, EN, etc.
Pago y términos de envío
Cantidad de orden mínima
1
Precio
US$11.15~51.15/pc
Detalles de empaquetado
cartón o madera
Tiempo de entrega
5 a 15 días hábiles
Condiciones de pago
Western Union, T/T, L/C, D/A, D/P, Moneygram
Capacidad de la fuente
10000 juegos por semana
Descripción del producto

Industrial Flange Rubber Expansion Bellows for Thermal Growth Compensation and Pump Vibration Damping



Product Description

The Industrial Flange Rubber Expansion Bellows serves as a critical structural interface designed to maintain the integrity of fluid systems under dynamic stress. Manufactured through a precision vulcanization process using high-density elastomers, this flexible connector acts as a sacrificial buffer that absorbs the intense kinetic energy produced by industrial machinery, thereby preventing the transmission of shock waves throughout the network. The dual-sphere or single-sphere architecture is strategically reinforced with high-tenacity polyester cords to ensure dimensional stability under varying pressure loads, while the floating flange design allows for effortless bolt-hole alignment during complex installations. By compensating for subtle ground shifts, thermal elongation, and piping misalignments, this component eliminates the risk of flange failure and pipe fatigue, making it an indispensable safety element for HVAC, chemical processing, and wastewater treatment facilities where continuous operation and leak prevention are paramount.

Industrial Flange Rubber Expansion Bellows for Thermal Growth Compensation and Pump Vibration Damping 0

Performance characteristics

1. Flexibility: Accommodates axial, lateral, and angular movements.
2. Durability: Reinforced rubber flexible joint provides long-lasting performance.
3. Corrosion Resistance: Resists aggressive environments and chemicals.
4. Noise & Vibration Reduction: Dampens vibrations and shock waves.
5. Ease of Installation & Maintenance: Compact design and standard flange connections facilitate installation and upkeep.


Product Specification

Size Length Allowable Movements in Operation
mm inch mm Axial Compression mm Axial Extension
mm

Transverse Movement

mm

Angular Deflection mm
25 1 130/152 20 12 14 15°
32 1 1/4 95/130/152 20 12 14 15°
40 1 1/2 95/130/152 20 12 14 15°
50 2 105/130/152 20 12 14 15°
65 2 1/2 115/130/152 20 12 14 15°
80 3 130/135/152 20 12 14 15°
100 4 130/152 20 12 14 15°
125 5 130/152/165 20 12 14 15°
150 6 130/152/185 20 12 14 15°
200 8 130/152/210 20 12 14 15°
250 10 130/203/230 20 12 14 15°
300 12 130/203/245 25 16 22 15°
350 14 200/255 25 16 22 15°
400 16 200/255 25 16 22 15°
450 18 200/255 25 16 22 15°
500 20 200/255 25 16 22 15°
600 24 260 25 16 22 15°
700 28 260 25 16 22 15°
800 32 260 25 16 22 15°
900 36 260 25 16 22 15°
1000 40 260/300 25 16 24 15°
1100 44 300 25 16 24 15°
1200 48 300 25 16 24 15°

Note: If the medium is oil, acidic or alkaline substances, and there are special requirements for the working temperature, you can customize it by sending a letter or drawing. Please specify when ordering


Product Details

Industrial Flange Rubber Expansion Bellows for Thermal Growth Compensation and Pump Vibration Damping 1

Production Flow


Industrial Flange Rubber Expansion Bellows for Thermal Growth Compensation and Pump Vibration Damping 2

1.Raw material

Top level CR/EPDM/NBR

rubber raw materials,

No recycled rubber

2.Plasticating and mixing

Special Formulation for better Bending with Nylon,For Better Strength,Sealing

3.Workblanks wraping

Cooper plated steel wire reinforcement prevent pull off


Industrial Flange Rubber Expansion Bellows for Thermal Growth Compensation and Pump Vibration Damping 3

4.Vulcanizing

Automatic vulcanization machine ensure vulcanization time and pressure

5.Inspecting
100% strict inspection is to be responsible for consumers

6. Packaging
Protective Packaging for No
Rust and Breakage


Application


Industrial Flange Rubber Expansion Bellows for Thermal Growth Compensation and Pump Vibration Damping 4

Rubber Expansion Joint Standard are widely used in various fields, including construction, chemical industry, shipbuilding, tap water, gas, chemical pipelines, petroleum pipelines, food pipelines, air conditioning pipelines, and sewage treatment.


Our Services

1.24-hour online

2.Free samples provided

3.Support customization

4.Provide drawings

5.Multiple payment styles to choose from

6.Factory inspection (material, specifications, quantity, pressure, packaging)

7.Long warranty period

8.Suitable packaging for transportation


Our Customer

Industrial Flange Rubber Expansion Bellows for Thermal Growth Compensation and Pump Vibration Damping 5


Certificate

Industrial Flange Rubber Expansion Bellows for Thermal Growth Compensation and Pump Vibration Damping 6

FAQ

Q1: Can this expansion joint compensate for misalignment in my piping layout?

Yes, it is specifically designed to handle lateral, angular, and axial offsets. However, it is important to ensure the misalignment does not exceed the maximum rated limits of the bellows to prevent premature wear on the rubber walls.


Q2: What is the maximum pressure rating for this flanged connector?

Standard units typically handle PN10 or PN16 (1.0 to 1.6 MPa), but the exact burst pressure depends on the reinforcement layers. For high-pressure environments, we provide specialized high-tensile models with multi-strand steel wire integration.


Q3: Is it possible to install this bellows in a vertical pipeline?

Absolutely. It can be installed both horizontally and vertically. For vertical installations, ensure the piping is properly supported above and below the joint so that the bellows itself does not bear the total weight of the fluid column.


Q4: How does the temperature of the medium affect the rubber's lifespan?

Higher temperatures naturally accelerate the aging of elastomers. While our EPDM units can withstand up to 115°C, continuous operation at peak temperature may reduce flexibility over time. We recommend choosing a material grade that exceeds your average operating temperature by at least 20%.


Q5: Why does the flange rotate freely on the rubber bellows?

This is a "Floating Flange" design. It is intentional to allow for easy alignment with the bolt holes of the fixed pipeline flanges, significantly reducing installation time and preventing the rubber from twisting during the tightening process.

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