OVERVIEW
The Flexicraft Braided ML V-Loop is a pre-engineered flexible piping loop expansion joint designed to eliminate severe anchor stresses in process, HVAC, and many other piping systems. Traditional inline expansion joints subject system anchors to massive pressure thrust forces and high spring forces demanding costly structural steel reinforcement.
Because the internal fluid forces are contained symmetrically by the continuous high-tensile braid corset, the ML V-Loop entirely eliminates pressure thrust loads. Piping anchors are only required to support the exceptionally low natural lateral spring rates of the pipe loop.
While standard Braided ML U-Loops utilize a parallel-leg configuration requiring a wider lateral footprint, the compact design of the ML V-Loop allows it to fit into tighter envelopes where space is severely limited.
Looking for alternatives? Flexicraft also manufactures standard Braided ML U-Loops for parallel-leg routing, and engineered-to-order Universal Tied Bellows Loops built to EJMA standards for heavy infrastructure lines 16" and larger. Nested Loops are also available.
FEATURES
-
Zero Anchor Thrust: Restrains hydraulic pressure forces within the braid, relieving structural anchors of immense pressure loads.
-
Exceptionally Low Spring Rates: Minimizes the force to flex the vertical legs.
-
Connection Versatility: Available with any pipe fittings, and can be oriented horizontally or vertically. Standard flanged ends are ASME B16.5 150# raised face.
APPLICATIONS
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Where elimination of the massive anchor loads and rigid guiding are important.
-
Where minimizing the spatial footprint and heavy support structures required by hard pipe loops.
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Ideal where large pipeline movements must be accommodated alongside exceptionally low spring rates.
-
Perfect for high-density, low-stress Data Center mission critical cooling system piping.
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Steam and condensate, and many other piping systems.
Temperature Correction: Working pressures must be derated at elevated system temperatures using the standard correction factors in the submittals.

|
DIA
(in)
|
ENDS |
MVMNT
(in)
|
WT
(lbs)
|
SPRING_RATE
(lbs/in)
|
PRES @ 70F
(psi)
|
A
(in)
|
B
(in)
|
PRODUCT NO |
|---|---|---|---|---|---|---|---|---|
| 2 | FLANGED | +/-2 | 15 | 40 | 516 | 25-7/8 | 11-1/4 | LOOPVF40200 |
| 2-1/2 | FLANGED | +/-2 | 23 | 42 | 387 | 31-1/8 | 13-3/8 | LOOPVF40250 |
| 3 | FLANGED | +/-2 | 28 | 46 | 316 | 33-3/4 | 14-1/2 | LOOPVF40300 |
| 4 | FLANGED | +/-2 | 43 | 60 | 232 | 39-1/2 | 16-3/4 | LOOPVF40400 |
| 5 | FLANGED | +/-2 | 64 | 94 | 191 | 45 | 18-7/8 | LOOPVF40500 |
| 6 | FLANGED | +/-2 | 89 | 102 | 165 | 50-7/8 | 21 | LOOPVF40600 |
| 2 | FLANGED | +/-4 | 16 | 20 | 516 | 31-3/4 | 14-1/4 | LOOPVF80200 |
| 2-1/2 | FLANGED | +/-4 | 24 | 21 | 387 | 38 | 16-7/8 | LOOPVF80250 |
| 3 | FLANGED | +/-4 | 30 | 23 | 316 | 41 | 18-1/8 | LOOPVF80300 |
| 4 | FLANGED | +/-4 | 46 | 30 | 232 | 47-3/8 | 20-3/4 | LOOPVF80400 |
| 5 | FLANGED | +/-4 | 68 | 47 | 191 | 53-1/2 | 23-1/8 | LOOPVF80500 |
| 6 | FLANGED | +/-4 | 95 | 51 | 165 | 60 | 25-5/8 | LOOPVF80600 |
| 8 | FLANGED | +/-4 | 186 | 65 | 234 | 70-1/8 | 29-1/8 | LOOPVF80800 |
| 10 | FLANGED | +/-4 | 287 | 96 | 230 | 82-1/2 | 33-7/8 | LOOPVF81000 |
| 12 | FLANGED | +/-4 | 412 | 98 | 161 | 94-1/2 | 38-3/8 | LOOPVF81200 |
| 1/2 | THREAD | +/-2 | 2 | 22 | 1075 | 21-1/8 | 6-3/4 | LOOPVT40050 |
| 3/4 | THREAD | +/-2 | 3 | 24 | 792 | 23-1/4 | 7-3/4 | LOOPVT40075 |
| 1 | THREAD | +/-2 | 4 | 26 | 571 | 24-3/8 | 8-3/8 | LOOPVT40100 |
| 1-1/4 | THREAD | +/-2 | 5 | 34 | 531 | 26-1/8 | 9-1/8 | LOOPVT40125 |
| 1-1/2 | THREAD | +/-2 | 6 | 36 | 472 | 28 | 9-7/8 | LOOPVT40150 |
| 2 | THREAD | +/-2 | 9 | 40 | 500 | 31-3/8 | 11-1/4 | LOOPVT40200 |
| 2-1/2 | THREAD | +/-2 | 15 | 42 | 387 | 36-5/8 | 13-3/8 | LOOPVT40250 |
| 3 | THREAD | +/-2 | 20 | 46 | 288 | 39-1/4 | 14-1/2 | LOOPVT40300 |
| 4 | THREAD | +/-2 | 32 | 60 | 232 | 47 | 16-3/4 | LOOPVT40400 |
| 1/2 | THREAD | +/-4 | 2 | 11 | 1075 | 25 | 8-3/4 | LOOPVT80050 |
| 3/4 | THREAD | +/-4 | 3 | 12 | 792 | 27-3/4 | 10 | LOOPVT80075 |
| 1 | THREAD | +/-4 | 4 | 13 | 571 | 29 | 10-3/4 | LOOPVT80100 |
| 1-1/4 | THREAD | +/-4 | 6 | 17 | 531 | 31-1/4 | 11-5/8 | LOOPVF80125 |
| 1-1/2 | THREAD | +/-4 | 7 | 18 | 472 | 33-3/8 | 12-1/2 | LOOPVT80150 |
| 2 | THREAD | +/-4 | 10 | 20 | 500 | 37-1/4 | 14-1/4 | LOOPVT80200 |
| 2-1/2 | THREAD | +/-4 | 16 | 21 | 387 | 43-1/2 | 16-7/8 | LOOPVT80250 |
| 3 | THREAD | +/-4 | 22 | 23 | 288 | 46-1/2 | 18-1/8 | LOOPVT80300 |
| 4 | THREAD | +/-4 | 35 | 30 | 232 | 54-7/8 | 20-3/4 | LOOPVT80400 |
| 1/2 | WELD ENDS | +/-2 | 2 | 22 | 1075 | 15-1/8 | 6-3/4 | LOOPVW40050 |
| 3/4 | WELD ENDS | +/-2 | 2 | 24 | 792 | 17-1/4 | 7-3/4 | LOOPVW40075 |
| 1 | WELD ENDS | +/-2 | 3 | 26 | 571 | 18-3/8 | 8-3/8 | LOOPVW40100 |
| 1-1/4 | WELD ENDS | +/-2 | 4 | 34 | 531 | 20-1/8 | 9-1/8 | LOOPVW40125 |
| 1-1/2 | WELD ENDS | +/-2 | 5 | 36 | 472 | 22 | 9-7/8 | LOOPVW40150 |
| 2 | WELD ENDS | +/-2 | 7 | 40 | 516 | 25-3/8 | 11-1/4 | LOOPVW40200 |
| 2-1/2 | WELD ENDS | +/-2 | 12 | 42 | 387 | 30-5/8 | 13-3/8 | LOOPVW40250 |
| 3 | WELD ENDS | +/-2 | 16 | 46 | 316 | 33-1/4 | 14-1/2 | LOOPVW40300 |
| 4 | WELD ENDS | +/-2 | 27 | 60 | 232 | 39 | 16-3/4 | LOOPVW40400 |
| 5 | WELD ENDS | +/-2 | 43 | 94 | 191 | 44-1/2 | 18-7/8 | LOOPVW40500 |
| 6 | WELD ENDS | +/-2 | 66 | 102 | 165 | 50-3/8 | 21 | LOOPVW40600 |
| 8 | WELD ENDS | +/-2 | 130 | 130 | 234 | 60-1/8 | 24-3/8 | LOOPVW40800 |
| 10 | WELD ENDS | +/-2 | 218 | 192 | 230 | 71-1/4 | 28-1/2 | LOOPVW41000 |
| 12 | WELD ENDS | +/-2 | 310 | 196 | 160 | 82-1/4 | 32-1/2 | LOOPVW41200 |
| 1/2 | WELD ENDS | +/-4 | 2 | 11 | 1075 | 19 | 8-3/4 | LOOPVW80050 |
| 3/4 | WELD ENDS | +/-4 | 2 | 12 | 792 | 21-3/4 | 10 | LOOPVW80075 |
| 1 | WELD ENDS | +/-4 | 3 | 13 | 571 | 23 | 10-3/4 | LOOPVW80100 |
| 1-1/4 | WELD ENDS | +/-4 | 4 | 17 | 531 | 25-1/4 | 11-5/8 | LOOPVW80125 |
| 1-1/2 | WELD ENDS | +/-4 | 6 | 18 | 472 | 27-3/8 | 12-1/2 | LOOPVW80150 |
| 2 | WELD ENDS | +/-4 | 8 | 20 | 516 | 31-1/4 | 14-1/4 | LOOPVW80200 |
| 2-1/2 | WELD ENDS | +/-4 | 14 | 21 | 387 | 37-1/2 | 16-7/8 | LOOPVW80250 |
| 3 | WELD ENDS | +/-4 | 18 | 23 | 316 | 40-1/2 | 18-1/8 | LOOPVW80300 |
| 4 | WELD ENDS | +/-4 | 30 | 30 | 232 | 46-7/8 | 20-3/4 | LOOPVW80400 |
| 5 | WELD ENDS | +/-4 | 47 | 47 | 191 | 53 | 23-1/8 | LOOPVW80500 |
| 6 | WELD ENDS | +/-4 | 72 | 51 | 165 | 59-1/2 | 25-5/8 | LOOPVW80600 |
| 8 | WELD ENDS | +/-4 | 141 | 65 | 234 | 69-5/8 | 29-1/8 | LOOPVW80800 |
| 10 | WELD ENDS | +/-4 | 234 | 96 | 230 | 82 | 33-7/8 | LOOPVW81000 |
| 12 | WELD ENDS | +/-4 | 330 | 98 | 160 | 94 | 38-3/8 | LOOPVW81200 |