Limit Rod Expansion Joint, Weld Neck, PN16

Limit Rod Expansion Joint PN16 is a high-performance expansion joint designed for industrial piping systems to compensate thermal expansion, absorb vibration, and manage mechanical stress. This limit rod expansion joint is engineered with integrated control rods to ensure safe and controlled axial, lateral, and angular movements in pressurized pipelines.

The weld neck expansion joint (butt weld expansion joint) provides a strong, leak-proof connection, making it ideal for high-pressure applications such as water systems, HVAC lines, industrial pipelines, and infrastructure projects. The multi-layer stainless steel bellows expansion joint structure effectively absorbs vibration, reduces noise, and extends pipeline service life.

Thanks to its limit rod system, this metal expansion joint prevents over-extension caused by pressure surges and protects critical piping components. It is widely used as a pipeline expansion compensator in systems requiring durability, flexibility, and operational safety.

Technical Specifications:
Connection Type: Weld Neck (Butt Weld Expansion Joint)
Pressure Class: PN16 Expansion Joint
Nominal Diameter Range: DN25 (1”) – DN300 (12”)
Material: Stainless Steel Expansion Joint (AISI 304), Carbon Steel (St 37.2)
Design: EJMA Standard Expansion Joint
Temperature Range: -196°C to +600°C
Movement Capability: Axial, Lateral and Angular Movement Compensation
Structure: Multi-ply metal bellows with reinforced flanges and limit rods

For larger sizes above DN300, custom industrial expansion joint solutions are available upon request.

Please contact by e-mail

Size Chart of Limit Rod Expansion Fittings