Xi'an Tiptop Machinery Co.,Ltd
The pioneer of control line tube production in China! We do quality control for you! We help you to save your purchasing costs! We are your trusted partner!
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We offer all kinds of Industry standard tubing encapsulated in a variety of materials, such as polyurethane, polyethylene and polypropylene. The specified tubing material within these encapsulated hose bundles is available in a range of sizes and colors for many fields of applications, including chromatography and medical equipment.
Typical sizes for control lines in stainless steel and nickel alloys are as below:
Material:316L Alloy400 Alloy825 Alloy 625
OD:1/8" ,1/4" ,1/2" ,3/8" ,3/4" ,5/8"
Wall thickness:0.028" ,0.035" ,0.049" ,0.065" ,0.083"
Applications: Valves, Phosphoric acid production, Chemical process vessels,
Catalytic cracking units
| Type | Material | Burst pressure (psi) |
Expansivity(0.2%) (psi) |
Expansivity(1%) (psi) |
Recommended Max working pressure (psi) |
| 3/8"*0.049" | Alloy825 | 19,710 | 9,000 | 9,900 | 13,920 |
Size Chart
| Bare tube Material | Encapsulation material | OD (inch) |
Wall Thickness (inch) | Working Pressure (MPa) | Length (M/Pcs) |
| Austenitic steel 304L (UNS S30403) Austenitic steel 316L (UNS S31603) Duplex 2205 (UNS S32205 & S31803) Super Duplex 2507 (UNS S32750) Incoloy 825 (UNS N08825) Inconel 625 (UNS N06625) |
F40 F46 FEP (Fluorinated Ethylene Propylene) PVC (Polyvinyl chloride) Nylon Encapsulated etc.. |
1/8” | 0.025”, 0.035”, 0.049” | 80--120 | 50--4000 |
| 1/4” | 0.035”, 0.049”, 0.065” | 60--120 | 50--3000 | ||
| 3/8” | 0.035”, 0.049”, 0.065” | 60--120 | 50--2500 | ||
| 1/2” | 0.035”, 0.049”, 0.065” | 60--120 | 50--2000 |