Rigid grooved coupling

Rigid grooved coupling

  • Certificate: UL Listed / FM Approved
  • Standard: ANSI / UL 213
  • Housing: Ductile iron ASTM A536, 65-45-12
  • Bolt & nut: Carbon steel, detail as G52 ~G56
  • Gasket: EPDM, nitrile, silicone rubber, etc.
  • Rated pressure: ≥ 175 psi (1.21 MPa)
  • Surface: Red painting / hot dip galvanized

Product Details

Grooved coupling includes housing, gasket and fasteners to create a groove leak-tight structure. 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.

Available size

Size Bolting (n x bolt size), ANSI Bolting (n x bolt size), EN Ref. No.
1″ / DN25 / 33.7mm 2 – 3/8″ x 55 2 – M10 x 57 G3101
1-1/4″ / DN32 / 42.4mm 2 – 3/8″ x 55 2 – M10 x 57 G3102
1-1/2″ / DN40 / 48.3mm 2 – 3/8″ x 55 2 – M10 x 57 G3103
2″ / DN50 / 60.3mm 2 – 3/8″ x 55 2 – M10 x 57 G3104
2-1/2″ / DN65 / 73mm 2 – 3/8″ x 55 2 – M10 x 57 G3105
2-1/2″ / DN65 / 76.1mm 2 – 3/8″ x 55 2 – M10 x 57 G3106
3″ / DN80 / 88.9mm 2 – 1/2″ x 70 2 – M12 x 70 G3107
4″ / DN100 / 114.3mm 2 – 1/2″ x 70 2 – M12 x 70 G3108
5″ / DN125 / 139.7mm 2 – 5/8″ x 85 2 – M16 x 85 G3109
5″ / DN125 / 141.3mm 2 – 5/8″ x 85 2 – M16 x 85 G3110
6″ / DN150 / 165.1mm 2 – 5/8″ x 85 2 – M16 x 85 G3111
6″ / DN150 / 168.3mm 2 – 5/8″ x 85 2 – M16 x 85 G3112
8″ / DN200 / 219.1mm 2 – 3/4″ x 115 2 – M20 x 115 G3113
10″ / DN250 / 273mm 2 – 7/8″ x 125 2 – M22 x 125 G3114
12″ / DN300 / 323.9mm 2 – 7/8″ x 140 2 – M22 x 140 G3115

Note: Please download our catalog for more available sizes.

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