Home » Products » Strainer & Expansion Joint » Rubber Expansion Joint » Single Sphere Rubber Joint

Single Sphere Rubber Joint

Single Sphere Rubber Joint: High-Performance Flexible Piping Solution
The Single Sphere Rubber Joint (also known as a rubber expansion joint or flexible connector) from WODE Valve is an essential component for modern piping systems. It is engineered to absorb vibration, reduce noise, and compensate for thermal expansion or misalignment in fluid pipelines.
Constructed with a high-strength synthetic rubber body reinforced with nylon cord and steel wire, these joints offer exceptional flexibility and durability. They act as a "shock absorber" for your infrastructure, protecting expensive equipment like pumps and chillers from the mechanical stress of operational pulsations.


Availability:



Inquire Add to Basket

Single Sphere Rubber Joint DIN Single Sphere Rubber Bellows PN16 Rubber Expansion Joint Flexible Rubber Bellows EPDM Rubber Joint Rubber Joint PN16 Flexible Joint Rubber Bellows Pipeline Rubber Joint

Product Description

Key High-Performance Features

· Superior Vibration Absorption: The spherical design and elastomeric material effectively dampen mechanical vibrations and acoustic noise, ensuring a quieter and safer working environment.

· Multi-Directional Compensation: Capable of handling axial compression, axial extension, lateral deflection, and angular movement simultaneously.

· High-Strength Reinforcement: Built with premium synthetic rubber (EPDM/NBR/Neoprene) and reinforced with multi-strand nylon cord to withstand high pressure without deforming.

· Corrosion & Chemical Resistance: Depending on the rubber compound selected, these joints provide excellent resistance to acids, alkalis, oils, and ozone.

· Easy Installation: Equipped with swivel (floating) flanges, making it simple to align bolt holes even in tight spaces or misaligned pipe runs.

· Excellent Recovery: Unlike metal bellows, rubber joints have superior "memory" and can return to their original shape after repeated cycles of expansion and contraction.

Detailed Technical Specifications

Feature	Engineering Standards
Size Range	DN25 – DN3000 (1" to 120")
Pressure Rating	PN10 / PN16 / PN25 / Class 150
Rubber Material	EPDM (Standard), NBR (Oil-resistant), Neoprene, Butyl
Reinforcement	Nylon Cord Fabric & Hard Steel Wire
Flange Material	Carbon Steel (Zinc Plated), Stainless Steel 304/316
Working Temp	-15°C to 115°C (up to 150°C for specialized compounds)
Applicable Media	Water, Seawater, Air, Weak Acid, Oil, etc.
Flange Standard	EN1092-2, ANSI B16.5, DIN 2501, JIS B2220

Why Partner with WODE Valve?

WODE Valve provides specialized flexible solutions for global infrastructure projects:

· Precision Molding Technology: Our single sphere joints are manufactured using high-pressure vulcanization molding, ensuring uniform wall thickness and a smooth interior for low flow resistance.

· Strict Pressure Testing: Every batch is tested for burst pressure and vacuum resistance to ensure safety in demanding vacuum or high-pressure suction lines.

· Custom Material Compounding: We can tailor the rubber formulation (e.g., high-content EPDM) to provide better UV resistance for outdoor installations.

· Certified Quality: Our products meet international standards for safety and performance, accompanied by full material and testing documentation.

Primary Application Sectors

· HVAC Systems: Connecting chillers and cooling towers to reduce structural noise transmission.

· Water Treatment & Pumping: Absorbing pump start-up surges and protecting pipe connections.

· Power Generation: Used in condenser cooling water systems and flue gas desulfurization.

· Marine & Shipbuilding: Handling engine room piping where space is limited and vibration is high.

· Industrial Utility Lines: Compressed air, chemical transport, and process water loops.

Recommended Industrial Options

For optimal system protection, consider these specialized technical configurations:

· The Standard Water Utility Choice: An EPDM Single Sphere Joint with Carbon Steel Flanges. This is the most popular configuration for HVAC and municipal water systems, offering excellent weather resistance and cost-efficiency.

· The Petrochemical & Oil Specialist: Featuring an NBR (Nitrile) Inner Tube. Specifically designed for pipelines carrying hydraulic oils, lubricants, or fuel, preventing the rubber from swelling or degrading over time.

· The High-Temperature Steam/Hot Water Model: Constructed with IIR (Butyl Rubber) or specialized high-temp EPDM. This setup ensures long-term elasticity in systems where temperatures consistently exceed 100°C.

· The Chemical & Corrosive Resistant Option: Utilizing a PTFE-lined (Teflon) Interior. This combines the flexibility of a rubber joint with the extreme chemical inertness of PTFE, making it perfect for aggressive acids and pharmaceutical fluids.

Hot Tags: Single Sphere Rubber Joint, DIN Single Sphere Rubber Bellows, PN16 Rubber Expansion Joint, Flexible Rubber Bellows, EPDM Rubber Joint, Rubber Joint, PN16 Flexible Joint, Rubber Bellows, Pipeline Rubber Joint, China, Wholesale, Customized, Private label, OEM, Custom, manufacturers, factory, suppliers, free sample