Flexible Clamp Joints For Vibration And Thermal Expansion Control
Clamp flexible pipe joints provide leak-free, flexible connections for industrial piping, absorbing vibration and thermal expansion.
Flexible Clamp Joints For Vibration And Thermal Expansion Control
Clamp flexible pipe joints provide leak-free, flexible connections for industrial piping, absorbing vibration and thermal expansion.
Clamp Flexible Pipe Joint is a versatile pipe repair clamp designed to connect or repair pipes, offering flexibility to absorb vibration, thermal expansion, and misalignment in industrial piping systems. These flexible pipe joints feature a stainless steel clamp body with high-quality rubber gaskets (EPDM or NBR) and high-strength bolts, ensuring leak-free performance. Conforming to standards like ASTM A240, ISO 2531, and API 5L, clamp flexible pipe joints are ideal for water supply, petrochemical pipelines, HVAC systems, and power generation, providing robust corrosion resistant joint solutions and boiler pipeline protection under pressures up to 300 PSI (20.7 bar) and temperatures from -20°C to 100°C.
The manufacturing process involves precision machining or casting of the clamp body, typically made from stainless steel (AISI 304/316) or ductile iron, paired with rubber gaskets for sealing and corrosion-resistant bolts for secure fastening. Available in single, double, or multi-section designs, thermal expansion joint types accommodate pipe diameters from 2" to 48" (DN50 to DN1200), with gasket widths up to 12 inches for comprehensive sealing. Surface treatments like epoxy coating, galvanization, or electro-polishing enhance corrosion resistance, making these joints suitable for harsh environments, including buried pipelines, seawater applications, or chemical processing plants. The flexible design allows axial movement up to 50mm, angular deflection up to 6°, and lateral offset up to 20mm, reducing pipeline stress.
Clamp Flexible Pipe Joint undergoes rigorous testing, including hydrostatic pressure, tensile strength, and sealing integrity tests, to comply with ASTM, ISO, and EN standards. The rubber gasket ensures a watertight seal, while the stainless steel clamp resists rust and chemical degradation, ensuring durability in aggressive media. In petrochemical applications, these pipeline clamp fittings repair leaks without system shutdown, while in water supply systems, they accommodate ground settlement and thermal expansion. Their bolted design enables rapid installation (as little as 10-15 minutes) without welding, making them ideal for both aboveground and underground applications.
Compared to rigid couplings or flanged joints, flexible pipe joints offer superior adaptability, compensating for dynamic pipeline movements while maintaining pressure integrity. Single-section clamps are perfect for quick repairs, while multi-section designs handle larger diameters with enhanced sealing. Certified by standards like DVGW and WRAS, these corrosion resistant joints support diverse pipe materials, including steel, ductile iron, PVC, and HDPE, and are suitable for potable water, wastewater, or gas pipelines. Their cost-effective design reduces maintenance downtime and eliminates the need for specialized tools, offering a practical alternative to welded connections.
Addressing challenges like pipeline leaks, corrosion, vibration, and thermal stress, Clamp Flexible Pipe Joint provides a reliable, durable solution for piping system joint needs. Its flexible design, corrosion-resistant materials, and ease of installation make it a preferred choice for engineers seeking efficient boiler pipeline protection. Whether in municipal water networks, petrochemical pipelines, or industrial HVAC systems, these pipe repair clamps deliver exceptional performance, safety, and longevity in demanding environments.
| Nominal Size mm/in |
Pipe O.D mm/in |
Working Pressure PSI/MPa |
Bolt Size No. - Size mm |
Dimensions mm/in | ||
|---|---|---|---|---|---|---|
| Ø | L | H | ||||
| 50 2 |
60.3 2.375 |
300 2.07 |
4 - M12 × 60 | 83 3.268 |
120 4.724 |
116 4.567 |
| 65 2½ |
76.1 3.000 |
300 2.07 |
4 - M10 × 55 | 89 3.504 |
116 4.567 |
118 4.646 |
| 80 3 |
88.9 3.500 |
300 2.07 |
4 - M12 × 75 | 117 4.606 |
166 6.535 |
118 4.646 |
| 100 4 |
114.3 4.500 |
300 2.07 |
4 - M12 × 75 | 143 5.630 |
201 7.913 |
147 5.787 |
| 150 6 |
168.3 6.625 |
300 2.07 |
4 - M12 × 75 | 178 7.008 |
235 9.252 |
118 4.646 |
| 150 6 |
168.3 6.625 |
300 2.07 |
4 - M16 × 85 | 202 7.953 |
252 9.921 |
150 5.906 |
| 200 8 |
219.1 8.625 |
300 2.07 |
4 - M16 × 85 | 258 10.157 |
320 12.598 |
152 5.984 |
| 250 10 |
273 10.748 |
300 2.07 |
4 - M20 × 100 | 313 12.323 |
390 15.354 |
165 6.496 |
| 300 12 |
323.9 12.748 |
300 2.07 |
4 - M20 × 120 | 367 14.449 |
455 17.913 |
183 7.205 |
Good corrosion resistance, often used in plumbing applications.
Corrosion ResistantExcellent corrosion resistance, suitable for harsh environments and high-purity applications.
Premium GradeCost-effective solution for general purpose applications with good durability.
Cost EffectiveLightweight with good corrosion resistance, used where weight is a concern.
LightweightGood conductivity and corrosion resistance, often used in water systems.
ConductiveDurable with good corrosion resistance, used in marine and industrial applications.
Marine Grade
Besides being used as an important pipe fitting, couplings are also used in the following:
Precise power transmission and motion control in machining operations.
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Ensuring accurate and smooth operation in printing and packaging equipment.
Precision in CNC milling and grinding operations for manufacturing excellence.
Reliable and continuous operation in packaging and assembly lines.
Secure and leak-proof connections for fluid and gas flow systems.
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