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Heat Exchanger U-Tube | Feedwater Heaters

Feed-water Heaters

High-Pressure & Low-Pressure U-Tubes for

Feedwater Heaters & Other Heat Exchangers

CREST XUB has been relentlessly researched and developed by our production team and manufactured according to ASME SA688, SB338 or SA803 with the specific purpose of withstanding high-pressure requirement of feedwater heaters.

Dimension
OD [inch(mm)] WT [inch(mm)]
0.125”(3.18) From 0.008”(0.20)

To 0.109”(2.77)

0.5”(12.7)
0.625”(15.88)
0.75”(19.05)
0.875”(22.23)
1”(25.4)
1.125”(28.58)
1.5”(38.1)
Code Specifications Pre-Materials Manufacturing Length
XUS SA213
SA268, SA179
SA789, SA790
SB338
304L/304H/304N/321/316L/310S
430/430J1L/439/T11/T22/SA179
31803/32205/32750
Titanium Gr-2
Seamless up to 20 m
XUW SA249
SA268
SA789
SB338
304L/304H/304N/321/316L/310S
430/430J1L/439
31803/32205/32750
Titanium Gr-2
Welded up to 30 m

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