Axial Type Metal Expansion Joint

Axial Type Metal Expansion Joint

  • BrandLanphan
  • ColorCustomized
  • OriginZhengzhou, Henan, China
  • Nominal diameterDN15-DN4000
  • Pressure grade0.1Mpa-160Mpa
  • Axial compensation dosage18mm-400mm
  • Design temperature-20℃~450℃
Lanphan axial type metal expansion joint is an equipment to compensate dimensional change caused by thermal expansion or mechanical vibration of pipeline/conduit/vessel through expansion joint's elastic component.
DESCRIPTION

Axial internal pressure type corrugated compensator, or axial internally pressurized expansion joint is a kind of corrugated compensator. It is an equipment to compensate dimensional change caused by thermal expansion or mechanical vibration of pipeline/conduit/vessel through corrugated compensator's elastic component. Based on above, it can decrease the deforming stress on pipeline and increase service life of pipeline.


Axial internally pressurized expansion joint also can be divided into two classes of simplex and complex type due to different structure. Both of them could weld draw rod if required. Draw rod will weaken the axial thrust caused by internal pressure in pipeline, while no such effect if no draw rod.

Axial Type Metal Expansion Joint
DETAILS
Axial Type Metal Expansion Joint

Bellows Material: Bellows is made from high quality stainless steel, strong pressure resistance ability, excellent low temperature resistance and shock resistance capacity.

Axial Type Metal Expansion Joint

Large Tie Rods: Two connection methods: welding connection and flange connection, which all make compensator in balanced stress, not easy to deform.

Axial Type Metal Expansion Joint

Small Tie Rods: During transportation, limit the displacement of bellows and protect the bellows.

SPECIFICATIONS
DN
(mm)
bellows compensation
dosage
stiffness max size of
radial direction
shape
Bmm
total length
L
(mm)
product type
active area A
cm2
corrugation number
n
axial
direction
X0 mm
lateral
direction
Yo (mm)
angular
direction
θ± (°)
axial direction
N/mm
lateral direction
N/mm
angular direction
Nm/ (°)
connection type
adapter pipe
J
flange
F
corrugated compensator:design pressure Pd = 1.0Mpa(10Kgf/ cm2)fatigue life【 N 】=1000times design temperature t = 20℃
40 38 4 5.5 1.2 4 282 1214 14 145 230 240 TB
8 1.1 5 8 141 135 6.5 300 310
50 56 4 7.5 1.5 4 388 1790 20 157 250 260
8 15 6.5 8 194 189 7 340 350
65 79 4 9 1.5 4 422 2109 24 186 250 260
8 18 6.5 8 211 217 9 360 370
80 138 4 11 2 3 658 2715 28 219 354 270
8 22 8 6 329 320 13 364 380
100 155 4 12 2.3 3 698 3226 30 283 284 300
8 24 9.1 6 349 403 15 364 380
150 300 4 11 1.5 3 1009 9029 84 289 284 300
8 22 6.1 6 504 1129 42 364 380
200 535 4 17 2.6 3 1493 10592 222 389 380 400
8 34 10 6 746 1324 111 500 520
250 779 4 16 2.1 3 1850 19116 400 443 3H0 400
8 33 8.3 6 925 2390 200 500 520
300 1075 4 21 2.8 3 1536 15211 459 495 426 450
8 42 11 6 768 1901 229 570 594
350 1269 4 21 5.9 3 1682 19653 593 577 426 450
8 42 12 6 841 2457 296 570 594
400 1619 4 20 22 2.6 1917 28582 862 626 426 450
  8 41 8.6 5 958 3573 431 570 594
450 2003 4 20 1.9 2.3 2148 39632 1195 678 426 450
8 40 7.7 4.6 1074 4954 598 570 594
500 2428 4 20 1.7 2 2380 53229 1605 729 426 450
8 40 6.9 4 1190 6654 803 570 594
600 3473 4 36 4.3 3 1561 17977 1506 830 576 600
8 71 17 6 781 2247 753 816 840
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