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Shanghai Songjiang Jingning Shock Absorber Co.,Ltd.

  • China,Zhengzhou ,Shandong
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China Large Diameter Flanged Rubber Piping Compensator: Heavy Duty Bellows Joint for
China Large Diameter Flanged Rubber Piping Compensator: Heavy Duty Bellows Joint for

  1. China Large Diameter Flanged Rubber Piping Compensator: Heavy Duty Bellows Joint for

Large Diameter Flanged Rubber Piping Compensator: Heavy Duty Bellows Joint for

  1. MOQ: 1
  2. Price: US$9.51~56.51/pc
  3. Get Latest Price
Payment Terms Western Union,T/T,L/C,D/A,D/P,MoneyGram
Supply Ability 10000 sets per week
Delivery Time 5--15 working days
Packaging Details carton or wooden
OEM Support, 20Years' experience
Product name Customized Pipe Expansion Joint Flange Type Rubber Bellows Flexible Joint Flange
Keyword Flexible Joint Flange
Size DN80
Flange Material Carbon steel, SS304, SS316
MOQ 1pc
Company Type Manufacturer
Flange Standard DIN, PN10/16, ANSI150#, JIS
Nominal Diameter 25mm - 1000mm
Deflection Angle 10° - 25°
Material EPDM/NBR/Neoprene/Chloroprene
Material Of Flange Carbon Steel, Stainless Steel Etc.
Main Frame Nylon Cord Fabric
Main Market America,Europe
Item afa flex rubber expansion joint
Connectiontype Flanged/Threaded/Welded
Temperaturerange -40°C to +120°C
Power Manual
Warranty 1 year
Temperature -20℃~150℃
Lifespan Typically 5-10 years depending on conditions
Standard ISO 9001 / EN 681-1
Brand Name JINGNING
Model Number RLJS
Certification CE,ISO
Place of Origin China

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms Western Union,T/T,L/C,D/A,D/P,MoneyGram Supply Ability 10000 sets per week
Delivery Time 5--15 working days Packaging Details carton or wooden
OEM Support, 20Years' experience Product name Customized Pipe Expansion Joint Flange Type Rubber Bellows Flexible Joint Flange
Keyword Flexible Joint Flange Size DN80
Flange Material Carbon steel, SS304, SS316 MOQ 1pc
Company Type Manufacturer Flange Standard DIN, PN10/16, ANSI150#, JIS
Nominal Diameter 25mm - 1000mm Deflection Angle 10° - 25°
Material EPDM/NBR/Neoprene/Chloroprene Material Of Flange Carbon Steel, Stainless Steel Etc.
Main Frame Nylon Cord Fabric Main Market America,Europe
Item afa flex rubber expansion joint Connectiontype Flanged/Threaded/Welded
Temperaturerange -40°C to +120°C Power Manual
Warranty 1 year Temperature -20℃~150℃
Lifespan Typically 5-10 years depending on conditions Standard ISO 9001 / EN 681-1
Brand Name JINGNING Model Number RLJS
Certification CE,ISO Place of Origin China
High Light Large diameter flanged rubber compensatorHeavy duty rubber bellows jointMunicipal drainage rubber expansion joint

Large Diameter Flanged Rubber Piping Compensator: Heavy Duty Bellows Joint for Municipal Drainage Mains


Product Description

In high-volume municipal drainage, stormwater management, and coastal flood control networks, critical infrastructure cannot afford a single point of failure. This massive, large-diameter flanged rubber piping compensator is purpose-built to endure the extreme volumetric surges, hydraulic shocks, and severe structural shifting typical of civil engineering projects. Engineered as a robust yet flexible structural interface, it acts as a primary defensive shield for low-pressure, high-flow conduits where traditional rigid joints would buckle under tectonic movement or soil settling.

To combat the destructive forces within heavy-duty pumping stations, the expansive rubber arch is strategically integrated with circumferential steel wire reinforcement rings. This heavy-duty reinforcement provides critical vacuum resistance, preventing the massive bellows from collapsing under sudden negative pressure or siphoning effects while simultaneously facilitating massive axial movements and lateral offsets. By intercepting and isolating the intense, low-frequency vibrations generated by high-volume stormwater pumps, this heavy-duty compensator neutralizes kinetic energy at the source. The result is total protection for your downstream pipeline, a drastic reduction in flange stress, and the long-term safeguarding of expensive concrete foundations against structural fatigue and cracking.


Performance characteristics

  • Extreme Large-Scale Volumetric Accommodations: Specially calibrated for massive nominal diameters (DN800 and above). The optimized internal bore layout ensures unhindered fluid dynamics and minimal pressure drop during peak stormwater discharge and high-velocity flood control operations.

  • Heavy-Duty Vacuum & Collapse Resistance: Embedded with high-tensile circumferential steel wire rings within the rubber matrix. This rigid internal skeleton provides exceptional structural stability, guaranteeing the large-arch bellows will not implode or collapse under sudden vacuum conditions or negative pressure surges.

  • Massive Multi-Directional Displacement: Engineered with an expanded arch profile to handle massive axial compression, elongation, and cross-axis lateral shear. It effortlessly self-compensates for massive ground settling, tidal shifts, and thermal expansion without stressing pipe headers.

  • Civil Foundation Vibration Isolation : Utilizes a specialized high-mass elastomeric compound that dampens low-frequency, high-amplitude kinetic shocks from massive vertical drainage pumps. This shields surrounding concrete intake basins and anchor blocks from long-term vibrational degradation.


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

Production Flow


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


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


Flexible Joint Flange 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


Certificate

FAQ

  • Q: Does this large joint stay stable under negative vacuum pressure?

  • A: Yes, the inclusion of integrated steel wire rings prevents the large-diameter bellows from deflating or collapsing inward during vacuum cycles.

  • Q: Are the flanges compatible with older piping standards?

  • A: We drill our flanges to match various universal standards, including ANSI, DIN, and legacy municipal patterns upon request.

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer

  • Year Established:

    2004

  • Total Annual:

    30000000-50000000

  • Employee Number:

    100~200

  • Ecer Certification:

    Verified Supplier

Jingning is a specialist company in expansion joints for pipe equipment. Since 2004 we stand for values which are typical of a family owned company: the spirit of innovation, reliability, continuity and flexibility in thought and action.We are a reliable supplier to our customers who count... Jingning is a specialist company in expansion joints for pipe equipment. Since 2004 we stand for values which are typical of a family owned company: the spirit of innovation, reliability, continuity and flexibility in thought and action.We are a reliable supplier to our customers who count...

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Get in touch with us

  • Reach Us
  • Shanghai Songjiang Jingning Shock Absorber Co.,Ltd.
  • Room 1002, Xinghua Building,Zhengzhou City, China
  • https://www.rubberexpansion-joint.com/

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