| The Style 77DX is designed to provide a rugged mechanical joint for roll grooved Type 304/316 stainless steel and cut grooved duplex/super duplex stainless steel piping systems. |
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Victaulic Industrial Products-77DX Duplex Stainless Steel Flexible Coupling |
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| 77DX Style |
| 77DX-Size Table of Duplex Stainless Steel Flexible Coupling |
| Nominal Size |
Actual Outside Diameter
mm |
Maximum Working Pressure
kPa |
Allow. Pipe End Separation
mm |
Bolt/Nut |
Approx. Weight Each
KG |
| INCH |
DN |
Qty. |
Size
INCH |
| 3/4" |
DN20 |
26.9 |
|
0-1.5 |
2 |
3/8"×2" |
0.5 |
| 1" |
DN25 |
33.7 |
|
0-1.5 |
2 |
3/8"×2" |
0.7 |
| 1-1/4" |
DN32 |
42.4 |
|
0-1.5 |
2 |
3/8"×2" |
0.9 |
| 1-1/2" |
DN40 |
48.3 |
|
0-1.5 |
2 |
3/8"×2" |
1.0 |
| 2" |
DN50 |
60.3 |
|
0-1.5 |
2 |
3/8"×2" |
1.1 |
| 2-1/2" |
DN65 |
73.0 |
|
0-1.5 |
2 |
3/8"×2" |
1.3 |
| 3" |
DN80 |
88.9 |
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0-1.5 |
2 |
1/2"×2-3/4" |
1.9 |
| 4" |
DN100 |
114.3 |
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0-3.3 |
2 |
5/8"×3-1/2" |
3.0 |
| 6" |
DN150 |
168.3 |
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0-3.3 |
2 |
3/4"×4-1/4" |
3.9 |
| 8"-18" |
For 8 – 18"/200 – 450mm sizes Victaulic offers stainless steel couplings.
See Submittal 17.03 for the Style 77S Stainless Steel Flexible Coupling. |
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Manual-17.20-77DX Duplex Stainless Steel Flexible Coupling |
S77 Flexible Coupling
Designed to provide a rugged mechanical joint for roll grooved stainless steel systems
