Victaulic Style 77 Flexible Coupling
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Victaulic Style 77 Flexible Coupling
Two-piece, cross-ribbed flexible coupling for grooved-end pressure piping, allowing limited pipe movement, vibration attenuation and stress relief. Ductile iron housings with EPDM or nitrile gaskets, in sizes from 3/4 in to 24 in.
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Key specifications
| Type | Two-piece, cross-ribbed flexible coupling |
| Sizes | 3/4 in to 24 in (20 to 600 mm) |
| Max working pressure | 1,000 psi (3/4 in to 6½ in); 800 psi (8 in to 12 in); 300 psi (14 in to 22 in); 250 psi (24 in) |
| Housing | Ductile iron ASTM A-536 Grade 65-45-12; orange enamel standard, hot-dip galvanized optional |
| Gaskets | Grade E EPDM: -30°F to 230°F; Grade T nitrile: -20°F to 180°F |
| Bolts and nuts | Heat-treated plated carbon steel; type 316 stainless steel optional |
UL ListedFM Approved
Download datasheet (PDF)