6inch PN10 PN25 Water Plant Flexible Stainless Steel Shock-absorbing Rubber Expansion Joint double sphere

Double ball rubber joint:

Used for displacement compensation, vibration reduction, noise reduction, and installation error absorption in piping systems, featuring a double corrugated design; suitable for high-pressure, large displacement, and strong vibration critical pipelines.

Advantages of Double Ball Rubber Joints

1. Superior Displacement Compensation

Three-dimensional compensation: axial ±15 mm + lateral ±10 mm + angular ±5° (under DN100 conditions)

Comparative Advantage: 40% improvement in compensation capacity compared to single-ball joints, no additional hinge brackets required

2. Excellent Vibration Damping and Noise Reduction

Vibration transmission rate ≤5% (tested data, single-ball joints approximately 15%)

Case Study: Noise levels in a power plant's pump room reduced from 95 dB to 75 dB

3. Long-Term Fatigue Resistance

Dynamic Lifespan: ≥5,000 full displacement cycles (GB/T 26121 standard)

Enhanced Design: Double-layer steel wire skeleton

Connection data table for double sphere rubber expansion joints

The data above is only for reference, pls contact us for exact data and price.

Displacement diagram of double ball rubber joint

Details of double ball rubber joints

Double ball rubber joint with different rubber materials

Core application areas of double ball rubber joints

1.Municipal water supply: vibration reduction at pump inlets and outlets, compensation for thermal expansion and contraction of     pipes

2.Electricity/nuclear power: turbine circulating water pipes, nuclear power plant cooling systems

3.HVAC: Central air conditioning chilled water circulation, boiler steam pipes

4.Metallurgy/Mining: Blast furnace cooling systems, slurry transport pipelines