The Heavy duty grooved rigid coupling is engineered for large-diameter, high-load, and high-pressure piping systems. Its reinforced housing design provides a stronger rigid connection that securely holds the pipeline in position while minimizing axial movement. Manufactured from high-quality ductile iron with corrosion-resistant surface treatment, it delivers long-term reliability in demanding operating environments.
The Heavy duty grooved rigid coupling is an ideal choice for projects requiring exceptional connection strength, structural stability, and long service life.
Features
- Reinforced housing increases overall load-bearing capacity.
- Stable rigid connection minimizes pipeline movement.
- High-strength ductile iron construction for large-diameter pipelines.
- Excellent corrosion resistance for indoor and outdoor applications.
- Fast installation with convenient maintenance.
Applications
Widely used in large fire protection networks, municipal water supply systems, industrial circulating water systems, HVAC main pipelines, petrochemical facilities, mining operations, and major infrastructure projects.
Quality Assurance
Every production batch undergoes strict quality inspections, including raw material verification, dimensional inspection, sealing performance testing, and visual examination. Third-party inspection services and product testing reports are available upon request to support project acceptance requirements.
Product Specifications
|
Parameter |
Specification |
|
Product Name |
Heavy Duty Grooved Rigid Coupling |
|
Product Type |
Heavy-Duty Rigid Grooved Coupling |
|
Housing Material |
Ductile Iron |
|
Gasket Material |
EPDM (NBR, FKM Optional) |
|
Fasteners |
High-Strength Galvanized Bolts |
|
Surface Finish |
Epoxy Coating / Hot-Dip Galvanized |
|
Connection Type |
Grooved Connection |
|
Nominal Size |
According to Product Specifications |
|
Working Media |
Water, Fire Protection, HVAC |
|
Industries |
Fire Protection, Municipal, Industrial, Energy |
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