250PSI Ductile Iron Low Pressure Flexible Couplings
250PSI Carbon steel corrosion and low pressure coupling, especially designed for low pressure pipeline system. Anti-corrosion coating material, resistan most level chemical substance (for example: fungicides, oxidizing agents, flocculating agents and softener, membrane cleaning agent).
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Sizes-Inches/DN & Rated Working Pressure
- 3/4 inch to 5 inch (DN20 to DN125), 250PSI (18bar)
- 6 inch to 12 inch (DN150 to DN300),200PSI (16bar)
Housings
- hot-dip galvanizing
- electrostatic spray
- plating Dacromet
- Teflon (PTFE)
- nylon
Gaskets
Gaskets – EPDM rubber, suitable for cold water, hot water, rare acid, oil-free air and multiple chemical product (-50~150℃).It is not suitable for medium like petroleum.
Bolts & Nuts
Round-head, elliptoid-neck, carriage bolts, type carbon iron covered with zinc or dacromet.
Information
| Nominal | Pipe | Dimensions | |||
|---|---|---|---|---|---|
| Size | OD | X | Y | Z | Weight |
| inch | inch | inch | inch | inch | kgs |
| DN | DN | DN | DN | DN | lbs |
| 1 | 1.315 | 2.402 | 4.252 | 1.772 | 1.84 |
| 25 | 33.40 | 61 | 108 | 45 | 0.538 |
| 1.25 | 1.660 | 2.677 | 4.606 | 1.772 | 1.228 |
| 32 | 42.20 | 68 | 117 | 45 | 0.558 |
| 1.5 | 1.900 | 2.913 | 4.803 | 1.772 | 1.367 |
| 40 | 48.30 | 74 | 122 | 45 | 0.621 |
| 50 | 2.244 | 3.346 | 5.118 | 1.89 | 1.320 |
| 57.00 | 85 | 130 | 48 | 0.600 | |
| 2 | 2.375 | 3.425 | 5.236 | 1.89 | 1.459 |
| 50 | 60.30 | 87 | 133 | 48 | 0.663 |
| 2.5 | 2.875 | 3.858 | 5.669 | 1.89 | 1.919 |
| 65 | 73.00 | 98 | 144 | 48 | 0.872 |
| 65 | 3.000 | 4.01 | 6.906 | 1.89 | 2.077 |
| 76.10 | 102 | 150 | 48 | 0.944 | |
| 3 | 3.500 | 4.488 | 7.008 | 1.89 | 2.385 |
| 80 | 88.90 | 114 | 178 | 48 | 1.084 |
| 100 | 4.2501 | 5.551 | 7.795 | 2.126 | 3.067 |
| 108.00 | 141 | 198 | 54 | 1.394 | |
| 4 | 4.500 | 5.787 | 8.031 | 2.126 | 2.911 |
| 100 | 114.30 | 147 | 204 | 54 | 1.323 |
| 125 | 5.250 | 6.535 | 9.37 | 2.126 | 3.960 |
| 133.00 | 166 | 238 | 54 | 1.800 | |
| 5 | 5.563 | 6.89 | 10.097 | 2.126 | 4.400 |
| 125 | 141.30 | 175 | 256 | 54 | 2.000 |
| 150 | 6.259 | 7.638 | 10.472 | 2.126 | 4.840 |
| 159.00 | 194 | 266 | 54 | 2.200 | |
| 6 | 6.625 | 7.992 | 11.063 | 2.283 | 5.060 |
| 150 | 168.30 | 203 | 281 | 58 | 2.300 |
| 8 | 8.625 | 10.354 | 13.976 | 2.323 | 9.680 |
| 200 | 219.10 | 263 | 355 | 59 | 4.400 |
| 10 | 10.75 | 13.504 | 17.323 | 2.638 | 17.16 |
| 250 | 273 | 343 | 440 | 67 | 7.800 |
| 12 | 12.75 | 15.512 | 19.134 | 2.559 | 23.10 |
| 300 | 323.9 | 394 | 486 | 65 | 10.50 |