OriSun Capillary tube or Stainless steel control lines, plain and encapsulated are available for option. This is the material widely used in chemical, machinery, electronics, electricity, textile, rubber, food, medical equipment, aviation, aerospace, telecommunications, oil and other industries. It can also be used for the capillary cables installed along with the electric submersible pumping units, oil and gas well control lines, test equipment for signal transmission cables for all kinds sensing units at downhole, and chemical transmissions, etc.
Available Materials for the plain stainless steel control lines are:
304£¬304L£¬316£¬316L Outside Diameter:1/8", 1/4", 5/16", 3/8", 1/2"
Wall Thickness: 0.035", 0.049" and 0.065"
Tensile Strength: ¡Ý520 MPa
Yielding Strength: ¡Ý205 MPa Elongation: ¡Ý 40%
Hardness: ¡Ý160 HBS
Continuous length: upon customer request
Applicable Standards:
ASTM A269 : Welded stainless steel pressure tubing
GB/T 12771: Welded Stainless Steel Pipes for Liquid Delivery
Encapsulation materials:
The most frequent ones are Polypropylene and Ethylene Propylene Diene Monomer rubber (EPDM). Other encapsulation materials can be offered upon request.
Capillary Tube sizes and testing pressure
O.D. |
Wall Thickness |
Kg/m |
Factory Pressure Test£¨Mpa£© |
1/8" |
0.028" / 0.035" |
0.044 / 0.051 |
100 |
1/4" |
0.035" / 0.049" |
0.121 / 0.158 |
80 |
5/16" |
0.035" / 0.049" |
0.156 / 0.207 |
80 |
3/8" |
0.049" / 0.065" |
0.257 / 0.324 |
70 |
1/2" |
0.049" / 0.065" |
0.355 / 0.454 |
70 |
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