Single Sphere Rubber Expansion Joint
The Single Sphere Rubber Expansion Joint (also known as a rubber shock absorber or flexible rubber joint) is a vital safety connection component within piping systems used to absorb vibration, compensate for displacement, and reduce noise. Designed for high-pressure reliability, this joint ensures that piping networks remain protected from stress damage caused by thermal expansion, contraction, or pump startups through its superior elasticity. Its robust construction and high-quality rubber compounds make it an essential standard for municipal engineering, HVAC systems, and various industrial water safety applications.
Product Parameter
| The following table: | |
|
Feature |
Technical Specification |
|
Nominal Diameter |
DN20 – DN1000 (3/4" – 40") |
|
Working Pressure |
PN10 / PN16 / PN25 (150 psi – 300 psi) |
|
Body Material |
Natural Rubber (NR) / EPDM / NBR |
|
Flange Material |
Carbon Steel (Galvanized/Epoxy) / Stainless Steel 304/316 |
|
Connection Standard |
Flanged (ANSI B16.5 / EN1092 / GB) |
|
Applicable Medium |
Water, Seawater, Air, Weak Acids/Alkalis, Oils |
|
Coating (Flange) |
Fusion Bonded Epoxy (FBE) or Galvanized |
Product Feature and Application
Positive Vibration Absorption:
Engineered to significantly absorb mechanical vibration, ensuring no stress migration into sensitive zones of the piping network.
Low Maintenance:
Simple internal architecture allows for long intervals between servicing, maintaining excellent resilience even after years of operation in complex environments.
Displacement Compensation:
Features high radial, axial, and angular displacement capabilities, allowing for easy installation in irregular pipeline layouts.
Applications:
Widely used in HVAC fan coil units, fire pump suction and discharge lines, sewage treatment pipelines, and municipal water main branches.
Product Details
- Corrosion-Resistant Framework: Features high-strength synthetic cord and hard steel wire reinforcement to prevent "bursting" or deformation caused by pressure surges.
- Reinforced Flanges: Equipped with heavy-wall cast or forged flanges designed to withstand water hammer common in industrial pump start-ups.
- High-Grade Formulation: Utilizes anti-aging and self-lubricating rubber formulas to ensure the joint remains leak-free and flexible throughout its entire lifecycle.
- Optimized Design: The large diameter and smooth internal sphere ensure low flow resistance and prevent sediment build-up under full system pressure.
Product Display
Isometric View:
Highlighting the full curvature of the sphere and the high-gloss protective coating of the flanges.
Internal Cutaway:
Showing the precision alignment of the reinforcement cord layers and the rubber matrix.
Installation Layout:
Displayed as a primary vibration isolation component in a typical pump room riser configuration.
Transport Package
- Individual Packing: Each joint is shrink-wrapped to maintain cleanliness and prevent surface abrasion of the rubber and coating.
- Crating: Units are secured in reinforced, export-standard wooden crates with moisture-absorbent silica gel packets.
- Security: Flange faces are protected with heavy-duty plastic covers to prevent impact damage during transit.
After-sales Service
Technical Guidance: Provision of installation schematics, displacement limits, and torque specifications for bolt tightening.
Global Support: 24/7 technical hotline for emergency troubleshooting and rapid dispatch of replacement units or internal components.
Hot Tags: single sphere rubber expansion joint, China single sphere rubber expansion joint manufacturers, rubber expansion joint, Single Sphere Rubber Expansion Joint, joint
Next
No InformationYou Might Also Like
Send Inquiry