· Certificate: FM/UL/3C/CE, etc.
· Standard: ANSI/UL 213C
· Housing Material: Ductile iron conforming to ASTM A-536, Grade 65-45-12.
· Bolt & Nut: Carbon steel
· Gasket: EPDM, nitrile, silicone rubber, etc.
· Rated pressure: 300~500PSI
· Surface: Hot dip galvanized/electrophoretic/epoxy powder painting
· Color: Variable colors for choice
Style 1NH heavy duty flexible coupling provides flexible connection by the gap between pipe groove and coupling key.
Unique design allows both axial and radial movement, suitable for pipeline with flexibility under intermediate pressure.
(1NH)High-pressure (500psi) Flexible coupling
| SIZE | DIMENSION | BOLTS SIZE | ||||||
| mm | X-mm | Y-mm | Z-mm | X-inch | Y-inch | Z-inch | MODEL.No. | inch |
| 33 | 59 | 92 | 46 | 2.32 | 3.62 | 1.81 | M10X55 | 3/8X2 1/8 |
| 42 | 68 | 109 | 45 | 2.68 | 4.29 | 1.77 | M12X60 | 1/2X2 3/8 |
| 48 | 74 | 115 | 46 | 2.92 | 4.53 | 1.81 | M12X60 | 1/2X2 3/8 |
| 60 | 89 | 131 | 47 | 3.51 | 5.16 | 1.85 | M12X60 | 1/2X2 3/8 |
| 76 | 106 | 153 | 49 | 4.18 | 6.03 | 1.93 | M12X70 | 1/2X2 3/4 |
| 89 | 120 | 166 | 49 | 4.73 | 6.54 | 1.93 | M12X70 | 1/2X2 3/4 |
| 114 | 149 | 205 | 51 | 5.87 | 8.08 | 2.01 | M16X90 | 5/8X3 1/2 |
| 140 | 177 | 240 | 52 | 6.97 | 9.46 | 2.05 | M20X110 | 3/4X4 3/8 |
| 165 | 204 | 270 | 52 | 8.04 | 10.64 | 2.05 | M20X115 | 3/4X4 1/2 |
| 168 | 208 | 273 | 53 | 8.20 | 10.76 | 2.09 | M20X115 | 3/4X4 1/2 |
| 216 | 263 | 343 | 61 | 10.36 | 13.51 | 2.40 | M22X135 | 7/8X5 3/8 |
| 219 | 267 | 347 | 62 | 10.52 | 13.67 | 2.44 | M22X135 | 7/8X5 3/8 |
| 273 | 322 | 426 | 67 | 12.69 | 16.78 | 2.64 | M24X150 | 1X5 7/8 |
| 325 | 376 | 481 | 67 | 14.81 | 18.95 | 2.64 | M24X150 | 1X5 7/8 |
