The U-type pipe clamp is a core fitting for seismic support systems. It is mainly used to match lateral seismic bracing (diagonal braces arranged perpendicular to the pipeline direction) to limit the horizontal lateral displacement of pipelines. It is widely applied to the lateral seismic fixation of single fire protection, water supply and drainage, and air conditioning water pipelines, and can also be used as a standard hoop for conventional load-bearing hangers.Difference from O-type Pipe Clamp:U-type: Semi-open U-shaped structure, designed for lateral seismic bracing with convenient installation, mostly applicable to small-diameter pipes.O-type: Full closed circular structure, designed for longitudinal seismic bracing with uniform stress bearing, commonly used for large-diameter pipes.
U-type Main Body: Integrally stamped U-shaped steel plate.EPDM Rubber Damping Liner: Provides anti-slip performance, vibration damping, pipe scratch resistance and noise reduction on the inner side.Pressure Plate & Matching Bolts and Nuts: Fasten pipelines from top and bottom to achieve firm fixation.Top Lifting Lug / Through Hole: Used for threading threaded rod hangers and connecting seismic hinges and lateral diagonal brace connectors.
GB 50981-2014 Code for Seismic Design of Building Electromechanical EngineeringCJ/T 476-2015 General Technical Conditions for Seismic Supports and Hangers of Building Electromechanical EquipmentCECS 420:2015 Specification for Installation and Acceptance of Seismic Supports and Hangers
Easy Assembly and Disassembly: The semi-open structure allows installation without removing the entire pipeline, facilitating later pipeline renovation and adjustment.Excellent Lateral Limiting Performance: Cooperates with lateral diagonal braces to effectively resist horizontal swinging of pipelines caused by earthquakes.Vibration and Noise Reduction: The rubber liner isolates water flow vibration and reduces pipeline resonance noise.High Versatility: Compatible with national standard C-channels, threaded rods, seismic hinges and other full-set prefabricated support fittings.Qualified Bearing Capacity: Tested to meet seismic load specifications and satisfy the load-bearing requirements of electromechanical seismic design.
- Lateral seismic hangers for fire sprinkler and fire hydrant pipelines- Seismic bracing for small-diameter cold and hot water pipelines of central air conditioning systems- Seismic fixation for small-diameter domestic water supply and rainwater pipelines- Electromechanical pipelines in high-rise basements, underground garages and commercial complexes
Base Material: Q235 carbon steel; 304 stainless steel is optional for corrosive environments.
Surface Treatment:- Electro-galvanizing: Suitable for indoor dry garages, equipment rooms, and conventional fire protection and water supply & drainage projects.- Hot-dip galvanizing: Applied to humid basements, pipe galleries, outdoor venues and other underground humid environments with a higher anti-corrosion grade.
Inner Liner: EPDM (Ethylene Propylene Diene Monomer) rubber, featuring water resistance, aging resistance, and high & low temperature resistance.
DN25 (33.7), DN32 (42), DN40 (48), DN50 (60), DN65 (76), DN80 (89), DN100 (114)It is mainly used for lateral seismic bracing of medium and small-diameter pipelines. O-type pipe clamps are generally adopted for extra-large-diameter pipelines.
