Our company has been focusing on brand strategy. Customers' satisfaction is our best advertising. We also supply OEM service for Super Duplex 2507 Chemical Injection Line Tube, N06625 Capillary Tube Control Line, 316L Chemical Injection Line Tube, We are going to empower people by communicating and listening, Setting an example to others and learning from experience.
Fixed Competitive Price Incoloy 825 Hydraulic Control Line - Inconel 625 Hydraulic Control Line Tube – MEILONG Detail:
Product Introduction
Welded Control Lines are the preferred construction for control lines being used in downhole oil and gas applications. Our welded control lines are used in SCSSV, Chemical Injection, Advanced Well Completions, and Gauge Applications. We offer a variety of control lines. (TIG Welded, and floating plug drawn, and lines with enhancements) The various processes provide us the ability to customize a solution to meet your well completion.
A downhole safety valve that is operated from surface facilities through a control line strapped to the external surface of the production tubing. Two basic types of SCSSV are common: wireline retrievable, whereby the principal safety-valve components can be run and retrieved on slickline, and tubing retrievable, in which the entire safety-valve assembly is installed with the tubing string. The control system operates in a fail-safe mode, with hydraulic control pressure used to hold open a ball or flapper assembly that will close if the control pressure is lost.
Product Display


Dimensional Tolerance
| ASTM B704 / ASME SB704, Inconel 625, UNS N06625 |
| ASTM B751 / ASME SB751 |
| Size OD |
Tolerance OD |
Tolerance WT |
| 1/8’’≤OD<5/8’’ (3.18≤OD<15.88 mm) |
±0.004’’ (±0.10 mm) |
±12.5% |
| 5/8≤OD≤1’’ (15.88≤OD≤25.4 mm) |
±0.0075’’ (±0.19 mm) |
±12.5% |
| Meilong Standard |
| Size OD |
Tolerance OD |
Tolerance WT |
| 1/8’’≤OD<5/8’’ (3.18≤OD<15.88 mm) |
±0.004’’ (±0.10 mm) |
±10% |
| 5/8≤OD≤1’’ (15.88≤OD≤25.4 mm) |
±0.004’’ (±0.10 mm) |
±8% |
| ASTM B444 / ASME SB444, Inconel 625, UNS N06625 |
| Size OD |
Tolerance OD |
Tolerance WT |
| 1/8’’ ≤OD<3/16’’ (3.18≤OD<4.76 mm) |
+0.003’’ (+0.08 mm) / -0 |
±10% |
| 3/16≤OD<1/2’’ (4.76≤OD<12.7 mm) |
+0.004’’ (+0.10 mm) / -0 |
±10% |
| 1/2’’≤OD≤1’’ (12.7≤OD≤25.4 mm) |
+0.005’’ (+0.13 mm) / -0 |
±10% |
| Meilong Standard |
| Size OD |
Tolerance OD |
Tolerance WT |
| 1/8’’ ≤OD<3/16’’ (3.18≤OD<4.76 mm) |
+0.003’’ (+0.08 mm) / -0 |
±10% |
| 3/16≤OD<1/2’’ (4.76≤OD<12.7 mm) |
+0.004’’ (+0.10 mm) / -0 |
±10% |
| 1/2’’≤OD≤1’’ (12.7≤OD≤25.4 mm) |
+0.004’’ (+0.10 mm) / -0 |
±8% |
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