Single Sphere Rubber Expansion Joint

DEVEL Single Sphere Rubber Expansion Joints are high-pe…

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描述

DEVEL Single Sphere Rubber Expansion Joints are high-performance flexible connectors engineered to accommodate thermal expansion, reduce noise, and isolate vibrations in piping systems. Manufactured using premium elastomers and precision hand-wrapping processes, our rubber joints provide exceptional durability and pressure resistance. As a leading factory-direct supplier, we provide comprehensive sizing from DN32 up to DN5000 to meet rigorous industrial standards.

Key Features & Advantages

  • Superior Vibration Absorption: Effectively dampens mechanical noise and acoustic energy, protecting pumps and sensitive downstream equipment.
  • Multi-Axis Displacement: Accommodates concurrent axial extension, axial compression, lateral deflection, and angular movements.
  • Robust Material Options: Available in EPDM, NBR, Neoprene, and Natural Rubber to match specific media types and chemical resistances.
  • Heavy-Duty Construction: Precision molded or custom hand-built with high-tensile synthetic cord reinforcement, guaranteeing a burst pressure ≥ 300% of the working rating.

Technical Parameters & Materials

Technical Property Specification
Product Name Single Sphere Rubber Expansion Joint
Bore Size Range DN32mm – DN5000mm (1.25″ to 200″)
Working Pressure PN10 / PN16 / PN25 | Class 150 / Class 300
Standard Compliance GB, ASME/ANSI B16.5, DIN, BS, EN1092, JIS
Elastomer Material EPDM, NBR (Nitrile), Natural Rubber, Neoprene, SBR
Flange Drilling Carbon Steel Q235 (Galvanized/Coated), Stainless Steel 304 / 316 / 316L
Applicable Media Water, Sea Water, Sewage, Mild Acids, Alkalis, Oils, Compressed Air
Operating Temperature -15°C to +115°C (depending on lining selection)
Safety Factor ≥ 3:1 (Burst Pressure vs. Working Pressure)

Dimensions & Movement Capabilities

Nominal Diameter Install Length Axial Movement (mm) Lateral Movement Angular Movement
mm (DN) inch Face-to-Face (mm) Extension Compression (mm) (α1 + α2) (°)
32 1.25 90 6 10
40 1.5 95 6 10
50 2 105 6 10 10 25
65 1.5 115 8 15 12 25
80 3 135 8 20 12 25
100 4 150 12 20 16 15
125 5 165 12 20 16 15
150 6 180 12 20 16 15
200 8 210 30 30 16 15
250 10 230 30 30 25 8
300 12 245 30 30 25 8
350 14 255 30 30 25 8
400 16 255 30 30 25 8
450 18 255 30 30 25 8
500 20 255 30 30 25 8
600 24 260 40 40 25 8
700 28 260 40 40 30 3
750 30 260 40 40 30 3
800 32 260 40 40 30 3
900 36 260 40 40 30 3
1000 40 260 40 40 30 3
1100 44 300 40 40 30 3
1200 48 300 50 50 30 3
1300 52 300 50 50 35 2
1400 56 350 50 50 35 2
1500 60 350 50 50 35 2
1600 64 350 50 50 35 2
1800 72 400 50 50 35 2
2000 80 400 60 60 35 2
2200 88 400 60 60 35 2
2400 96 450 60 60 35 2
2600 104 450 60 60 35 2
2800 112 450 60 60 35 2
3000 120 500 60 60 35 2
3200 128 500 70 70 35 2
3400 136 500 70 70 35 2
3600 144 500 70 70 35 2
3800 152 550 70 70 35 2
4000 160 550 70 70 35 2
4200 168 550 70 70 35 1
4400 176 600 70 70 40 1
4600 184 600 70 70 40 1
4800 192 650 70 70 40 1
5000 200 650 70 70 40 1

Engineering Note: Dimensional specifications listed above conform to standard configurations. As a fully integrated fluid equipment manufacturer, Henan Devel can engineering customized pressure ratings, tailored face-to-face lengths, and specialized drillings according to your project’s precise drawings.

Typical Applications

Our single sphere joints are widely utilized across global industrial pipeline projects, including **Power Generation Stations** (cooling water systems), **Water Treatment Plants**, **HVAC Engineering**, **Chemical Processing Plants**, and marine engineering piping layouts.