PRODUCTS Membrane Housings
Standard Cut Groove Specifications
1.Pipe specifications and outside diameter: The outside diameter of roll grooved pipe shall not vary more than the tolerance listed.
2.Gasket seat :The pipe surface shall be free from indentations, roll marks, and projections from the end of the pipe to the groove, to provide a leak-tight seal for the gasket. All loose paint, scale, dirt, chips, grease and rust must be removed.
3.Groove width: The bottom of groove to be free of loose dirt, chips, rust and scale that may interfere with proper coupling assembly.
4.Groove outside diameter: The groove must be of uniform depth for the entire pipe circumference.
STANDARD CUT GROOVE PIPE SPECIFICATION FOR FLEXIBLE COUPLINGS | |||||||||
NominaSize | Tolerance for outer | Gasket | Groove | Groove Dia. | Groove | Min.Wall | |||
diameter pipe | Seat | Width | C | Depth | Thickness | ||||
Basic OD | Tol. | A | B | Basic | Tol. | D | T | ||
in | in | in | in | ±0.03 | ±0.03 | in | in | in | in |
mm | mm | +mm | -mm | ±0.76 | ±0.76 | mm | mm | mm | mm |
3/4 | 1.050 | 0.010 | 0.010 | 0.625 | 0.313 | 0.938 | -0.015 | 0.056 | 0.113 |
20 | 26.7 | 0.25 | 0.25 | 15.88 | 7.95 | 23.83 | -0.38 | 1.42 | 2.87 |
1 | 1.315 | 0.013 | 0.013 | 0.625 | 0.313 | 1.190 | -0.015 | 0.063 | 0.133 |
25 | 33.4 | 0.33 | 0.33 | 15.88 | 7.95 | 30.23 | 0.38 | 1.60 | 3.38 |
1-1/4 | 1.660 | 0.016 | 0.016 | 0.625 | 0.313 | 1.535 | -0.015 | 0.063 | 0.140 |
32 | 42.2 | 0.41 | 0.41 | 15.88 | 7.95 | 38.99 | -0.38 | 1.60 | 3.56 |
1-1/2 | 1.900 | 0.019 | 0.019 | 0.625 | 0.313 | 1.775 | -0.015 | 0.063 | 0.145 |
40 | 48.3 | 0.48 | 0.48 | 15.88 | 7.95 | 45.09 | -0.38 | 1.60 | 3.68 |
2 | 2.375 | 0.024 | 0.024 | 0.625 | 0.313 | 2.250 | -0.015 | 0.063 | 0.154 |
50 | 60.3 | 0.61 | 0.61 | 15.88 | 7.95 | 57.15 | -0.38 | 1.60 | 3.91 |
2-1/2 | 3.0 | 0.029 | 0.029 | 0.625 | 0.313 | 2.836 | -0.018 | 0.078 | 0.188 |
65 | 76.1 | 0.74 | 0.74 | 15.88 | 7.95 | 72.04 | -0.46 | 1.98 | 4.78 |
3 | 3.500 | 0.035 | 0.031 | 0.625 | 0.313 | 3.344 | -0.018 | 0.078 | 0.188 |
80 | 88.9 | 0.89 | 0.79 | 15.88 | 7.95 | 84.94 | -0.46 | 1.98 | 4.78 |
4 | 4.500 | 0.045 | 0.031 | 0.625 | 0.375 | 4.334 | -0.020 | 0.083 | 0.203 |
100 | 114.3 | 1.14 | 0.79 | 15.88 | 9.53 | 110.08 | -0.51 | 2.11 | 5.16 |
Product Code | Size DN | Size Inch | Coupling Material | Pressure Rating | |
MT-NP-20 | DN20 | 3/4" | SS304 | 600PSI | |
MT-NP-25 | DN25 | 1" | SS304 | 600PSI | |
MT-NP-32 | DN32 | 1 1/4" | SS304 | 600PSI | |
MT-NP-40 | DN40 | 1 1/2" | SS304 | 600PSI | |
MT-NP-50 | DN50 | 2" | SS304 | 600PSI | |
MT-NP-65 | DN65 | 2 1/2" | SS304 | 600PSI | |
MT-NP-80 | DN80 | 3" | SS304 | 600PSI | |
MT-NP-100 | DN100 | 4" | SS304 | 600PSI | |
MT-NP-125 | DN125 | 5" | SS304 | 600PSI | |
MT-NP-150 | DN150 | 6" | SS304 | 600PSI |
