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Single Sphere Rubber Expansion Joint

Single Sphere Rubber Expansion Joint
Fully Automatic Production | OEM Solutions

Premium quality rubber expansion joints engineered for durability, vibration isolation, and thermal expansion control in industrial piping systems. Trusted by global leaders in energy, chemical, and food processing industries.

About Shanghai Songjiang Group

Shanghai Songjiang Group is a leading enterprise integrating R&D, production, and sales of high-performance Single Sphere Rubber Expansion Joints, Metal Expansion Joints, and Vibration Isolators. With a strong reputation across petroleum, chemical, metallurgy, electric power, construction, heating, and water supply industries, we deliver engineered solutions that ensure system stability and longevity.

Our mission is clear: “Quality as Life”. We are committed to providing advanced vibration isolation and noise reduction products that contribute to a quieter, safer, and more efficient industrial environment.

  • Fully Automatic Production Line
  • OEM & Custom Design Capabilities
  • Global Project Experience
  • ISO & DIN/ANSI/JIS Compliant
Factory Production Line

Our Product Range

Precision-engineered rubber and metal expansion joints for diverse industrial applications. All products are manufactured under strict quality control and available in standard and custom configurations.

DIN DN80 Rubber Joint

[DIN] DN80 German Standard

DIN2501 PN16 Factory Specification | NR Rubber | Ductile Iron Flange

  • • Max Pressure: 16 bar
  • • Temp Range: -20°C to +80°C
  • • Flange: DIN Standard
ANSI DN80 Rubber Joint

[ANSI] DN80 American Standard

Class 150 | EPDM/NR | Carbon Steel Flange

  • • Max Pressure: 19.6 bar
  • • Temp Range: -40°C to +135°C
  • • Flange: ANSI B16.5
JIS Rubber Joint

[JIS] Japanese Standard

5K/10K | NBR/EPDM | Ductile Iron

  • • Max Pressure: 10–20 bar
  • • Oil & Heat Resistant
  • • JIS B2251 Compliant
PTFE Lined Joint

[PTFE Lined] SUS304+EPDM

Chemical Resistant | High Purity

  • • Corrosion Protection
  • • FDA Compliant Options
  • • Ideal for Food & Pharma
Ductile Flange NR Joint

[Patented] Ductile Flange NR

Enhanced Durability | Anti-Corrosion

  • • 30% Longer Service Life
  • • Anti-Rust Coating
  • • High Vibration Absorption
EPDM Ductile Flange

[EPDM] Ductile Flange

Weather & Ozone Resistant

  • • UV Stable
  • • -50°C to +150°C Range
  • • Ideal for Outdoor Use
NBR Oil-Resistant Joint

[NBR] Oil-Resistant

Electro-Hydraulic Systems | Fuel Lines

  • • Resists Fuels & Oils
  • • High Abrasion Resistance
  • • Hydraulic & Lubrication Systems
FKM Fluorine Joint

[FKM] DN100 Fluorine

High-Temp | Chemical Process

  • • Up to 200°C Operation
  • • Resists Acids & Solvents
  • • Semiconductor & Petrochem

Why Choose Our Expansion Joints?

Engineered for performance, reliability, and longevity in the most demanding industrial environments.

Quality Assured

Fully automatic production with 100% pressure and leakage testing. ISO and international standards compliance.

High Performance

Superior vibration damping, noise reduction, and thermal expansion compensation for system stability.

Custom Solutions

OEM and custom designs for extended length, special materials, flanges, and operating conditions.

Global Applications

Trusted in power plants, nuclear facilities, food processing, oil & gas, and HVAC systems worldwide.

500+
Global Projects
30+
Countries Served
25 Years
Industry Experience
100%
Quality Tested

Project Case Studies

Real-world applications of our expansion joints in critical industrial systems.

[Zhuhai Power Plant]

Rubber expansion joints and vibration isolators installed to enhance system stability and reduce maintenance downtime.

[Fujian Xiapu Nuclear Power]

Custom rubber joint solutions designed for high-safety nuclear cooling systems with extended service life.

[IOI Xiamen Oil Project]

Metal hose contract for high-pressure oil transfer lines with strict leak-proof requirements.

[Thailand Mitsui Sugar Mill]

Single rubber expansion joints deployed in high-temperature steam lines for efficient sugar processing.

[Hefei Hongrui Jinling Hotel]

Rubber expansion joint contract for HVAC and plumbing systems in luxury hospitality infrastructure.

[Zhejiang Guanyu Baibu Plant]

Flexible metal hose application in plant renovation for improved pipeline flexibility and safety.

Get in Touch

For product inquiries, technical support, or custom solutions, contact us directly.

Phone: +86 13032112360

Available for calls and SMS. We respond within 24 hours.

Visit Official Website

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