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Design & Purpose
Hydraline SB is a smoothbore, medium wall premium grade, seamless extruded PTFE Tube with a Grade 304 Stainless Steel Wire Braid. The choice of the PTFE polymer, together with the extrusion, heat treatment and quality control programmes, is designed to produce the best quality PTFE tube possible, ensuring permeation and maximum flexibility.
This range of Hydraline SB PTFE hose has been developed for general purpose use. 
Hydraline SB has a smooth bore, permitting fast, clean fluid flow, but is limited in flexibility and kink resistance, particularly in bore sizes above ¼". For flexibility Hydraline V is preferred, for flexibility and flow, Hydraline FX is preferred.
Hydraline SB is available in the following grade:
Hydraline SB,SS - Natural PTFE Tube, external 304 Stainless Steel Wire Braid.
To special Order, Hydraline SB can also be supplied with an Antistatic (AS) PTFE liner tube (Hydraline SB,AS,SS) or with a Double Braid of Stainless Steel Wire (Hydraline SB,DB).
Specification (Hydraline SB - Single Stainless Steel Braid)
| Specifications - (Hydraline SB, SS only) |
Hose Size
( - Size) |
Part Number |
Actual
Bore Size |
PTFE Wall
Thickness |
Outside
Diameter |
Minimum
Bend
Radius |
Maximum
Working
Pressure |
Weight/m |
Drum
Qty |
| in |
mm |
in |
mm |
in |
mm |
in |
mm |
psi |
bar |
lbs |
kg |
ft |
mts |
| 3/16" (-4) |
70-*400-03-01-02 |
0.200 |
5.0 |
0.030 |
0.76 |
0.30 |
7.65 |
1-3/4 |
45 |
3300 |
230 |
0.17 |
0.078 |
4000 |
1200 |
| 1/4" (-5) |
70-*400-04-01-02 |
0.264 |
6.7 |
0.030 |
0.76 |
0.37 |
9.30 |
2-3/8 |
60 |
3000 |
205 |
0.24 |
0.110 |
2600 |
800 |
| 5/16" (-6) |
70-*400-05-01-02 |
0.335 |
8.5 |
0.030 |
0.76 |
0.44 |
11.10 |
2-3/4 |
70 |
2600 |
180 |
0.30 |
0.136 |
2000 |
600 |
| 3/8" |
70-*400-06-01-02 |
0.394 |
10.0 |
0.030 |
0.76 |
0.50 |
12.75 |
3 |
80 |
2600 |
180 |
0.36 |
0.166 |
1300 |
400 |
| 1/2" (-10) |
70-*400-08-01-02 |
0.536 |
13.6 |
0.030 |
0.76 |
0.64 |
16.35 |
5 |
130 |
2000 |
140 |
0.46 |
0.210 |
720 |
220 |
| 5/8" (-12) |
70-*400-10-01-02 |
0.654 |
16.6 |
0.033 |
0.84 |
0.77 |
19.50 |
6-1/2 |
163 |
1600 |
110 |
0.62 |
0.280 |
650 |
220 |
| 3/4" |
70-*400-12-01-02 |
0.780 |
19.8 |
0.040 |
1.00 |
0.86 |
22.50 |
7 |
180 |
1400 |
95 |
0.72 |
0.327 |
- |
- |
| 1" |
70-*400-16-01-02 |
1.040 |
26.4 |
0.040 |
1.00 |
1.19 |
30.10 |
9 |
230 |
1160 |
80 |
1.15 |
0.524 |
- |
- |
* For anti static Grade, use 70-410 in place of the 70-400-
* Burst Pressure = 4 x Maximum Working Pressure
Properties
Temperature Rating - The temperature rating is from -70° (-94°F) to +260°C (+500°F), but the maximum working pressure (MWP) must be reduced by 0.5% for each 1°C above 130°C (0.5% for each 1.8°F above 266°F).
Pressure Resistance - The Pressure Ratings are as listed and adjusted for temperature, for the Stainless Steel grades. If higher working pressures are required, a double braid hose can be requested to special order.
Full Vacuum Resistance - Hydraline SB is not designed for vacuum resistance, Hydraline FX is more suitable to such applications. The smaller sizes of Hydraline SB may be fully or partly vacuum resistant, dependent upon the application conditions.
Diffusion Resistance - Hydraline SB is not designed for High Pressure Gas applications (above 140 Bar or 2000 psi). A specially processed hose design is required. For advice, please contact Aflex Hose.
Assembly - Assembly of Hydraline SB to standard Hydraulic End Fittings, together with Ferrules supplied by Aflex Hose is straight forward. 
Applications - Automotive, motorsport, refrigeration, high pressure steam and many other industrial applications in general, wherever the excellent chemical resistance and temperature resistance of the hose are required.
Caution - Hydraline SB can be "kinked" if care is not taken, particularly sizes ½" and above. If this is a problem, use Hydraline FX or Hydraline V.
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