MECH Model 1N Standard Flexible Grooved Coupling
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MECH Model 1N Standard Flexible Grooved Coupling
MECH Model 1N standard flexible grooved coupling in ductile iron, for grooved-end steel pipe in fire protection, HVAC and industrial piping. Allows angular deflection, expansion and vibration attenuation.
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Key specifications
| Model | 1N Standard Flexible Coupling (reducing version also listed) |
| Housing material | Ductile iron, ASTM A536 Grade 65-45-12 |
| Working pressure | Mostly 500 psi (3.45 MPa); 300 psi on several larger sizes; 225 psi on the largest (catalogue) |
| Gasket | Grade E EPDM, temperature -30 to +110 °C (-30 to +230 °F) per the manufacturer specification |
| Bolts | Heat-treated carbon steel track-head bolts, zinc plated (ASTM B633) |
| Grooving | ISO 6182-2 / ANSI AWWA C606 |
