Extraflex™

Extraflex™ is Hose Master’s T321 spirally-welded, helical corrugated hose specifically designed to achieve extreme flexibility while maintaining good pressure ratings. The helical design facilitates draining and reduces in-line turbulence.

Explanation of Extraflex™ Part Numbers:

EF 90 __________
               Braid Code

Braid Codes:
00 – Unbraided
50 – T304 Single Braid
55 – T304 Double Braid
*T316 Braid available upon request.

Example: EF9050 = T321 Stainless Steel, annular, corrugated metal hose with a single T304 Stainless Steel Braid.

Specifications

Inside Diameter (in.) Number of Braids (#) Outside Diameter (in.) Static Min. Bend Radius (in.) Dynamic Min. Bend Radius (in.) Maximum Working Pressure (psi) Burst Pressure (psi) Weight Per Foot (lbs.)
1/4 0
1
2
0.39
0.45
0.51
0.4 2.2 71
1778
2489
n/a
7112
9956
0.09
0.13
0.19
5/16 0
1
2
0.47
0.53
0.59
0.6 2.4 43
1422
1991
n/a
5688
7964
0.10
0.18
0.26
3/8 0
1
2
0.55
0.61
0.67
0.6 2.8 36
1138
1707
n/a
4552
6828
0.11
0.19
0.28
1/2 0
1
2
0.67
0.73
0.79
0.8 3.1 28
910
1422
n/a
3640
5688
0.14
0.26
0.39
5/8 0
1
2
0.85
0.91
0.96
1.2 3.9 28
910
1422
n/a
3640
5688
0.19
0.32
0.46
3/4 0
1
2
1.02
1.08
1.18
1.4 5.1 14
711
1138
n/a
2844
4552
0.22
0.38
0.55
1 0
1
2
1.22
1.28
1.34
1.8 6.3 11
569
910
n/a
2276
3640
0.24
0.54
0.83
1 1/4 0
1
2
1.57
1.65
1.73
2.4 7.9 9
455
711
n/a
1820
2844
0.45
0.76
1.09
1 1/2 0
1
2
1.89
1.97
2.05
3.0 9.4 7
356
569
n/a
1424
2276
0.65
1.02
1.40
2 0
1
2
2.36
2.44
2.52
3.5 11.0 6
284
455
n/a
1136
1820
0.71
1.22
1.75

Notes:

  • The minimum bend radius is measured from the centerline of the hose
  • The working pressure decreases with temperature – see derating factor
  • For rapid pressure fluctuations consult the factory

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