Heavy-duty rigid grooved coupling

Category Grooved couplings

Certificate: UL Listed
Standard: ANSI / UL 213
Housing: Ductile iron ASTM A536, 65-45-12
Bolt & nut: Carbon steel, detail as G72 ~ G76
Gasket: EPDM, nitrile, silicone rubber, etc.
Rated pressure: ≥ 500 psi (3.45 MPa)
Surface: Red painting / hot dip galvanized

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Product Details

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.

Available size

Size	Bolting (n x bolt size), ANSI	Bolting (n x bolt size), EN	Ref. No.
2″ / DN50 / 60.3mm	2 – 1/2″ x 75	2 – M12 x 75	G3301
2-1/2″ / DN65 / 73mm	2 – 1/2″ x 75	2 – M12 x 75	G3302
2-1/2″ / DN65 / 76.1mm	2 – 1/2″ x 75	2 – M12 x 75	G3303
3″ / DN80 / 88.9mm	2 – 1/2″ x 75	2 – M12 x 75	G3304
4″ / DN100 / 114.3mm	2 – 5/8″ x 80	2 – M16 x 80	G3305
5″ / DN125 / 139.7mm	2 – 3/4″ x 115	2 – M20 x 115	G3306
5″ / DN125 / 141.3mm	2 – 3/4″ x 115	2 – M20 x 115	G3307
6″ / DN150 / 165.1mm	2 – 3/4″ x 115	2 – M20 x 115	G3308
6″ / DN150 / 168.3mm	2 – 3/4″ x 115	2 – M20 x 115	G3309
8″ / DN200 / 219.1mm	2 – 7/8″ x 125	2 – M22 x 125	G3310
10″ / DN250 / 273mm	2 – 7/8″ x 125	2 – M22 x 125	G3311
12″ / DN300 / 323.9mm	2 – 7/8″ x 140	2 – M22 x 140	G3312