Heavy-duty rigid grooved coupling
- Certificate: UL Listed
- Standard: ANSI / UL 213
- Housing: Ductile iron ASTM A536, 65-45-12
- Bolt & nut: Carbon steel, detail as G92 ~ G96
- Gasket: EPDM, nitrile, silicone rubber, etc.
- Rated pressure: 500 psi (3.45 MPa)
- Surface: Red painting / hot dip galvanized
Grooved coupling includes housing, gasket and fasteners to create a groove leak-tight structure. Heavy-duty rigid grooved coupling provides rigidity through grip teeth in the housing, and it does not allow for movement, similar to a rigid flanged or welded joint.