Wholesale Dealers of Super Duplex 2507 Chemical Injection Line - Encapsulated Control Line Tube – MEILONG

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With our great management, potent technical capability and strict excellent handle procedure, we continue on to provide our customers with reputable top quality, reasonable selling prices and great providers. We purpose at becoming amongst your most trusted partners and earning your satisfaction for Chemical Injection Line Tube, Alloy 825 Chemical Injection Tube, Duplex Stainless Steel Control Line, Welcome worldwide customers to contact us for business and long-term cooperation. We will be your reliable partner and supplier of auto parts and accessories in China.
Wholesale Dealers of Super Duplex 2507 Chemical Injection Line - Encapsulated Control Line Tube – MEILONG Detail:

Product Introduction

Features, Advantages and Benefits

- Control lines are delivered in orbital-weld-free lengths up to 40,000 ft (12,192 m) to maximize reliability.

- A wide range of single, dual, or triple flat-packs is available. Flat-packs can be combined with downhole electrical cables and/or bumper wires for easier operation and handling during deployment.

- Welded-and-plug-drawn production method ensures a smooth, round tube to allow long-term metal sealing of terminations.

- Encapsulation materials are selected to suit well conditions, ensuring longevity and reliability.

Product Display

Encapsulated Control Line Tube (1)
Encapsulated Control Line Tube (3)

Alloy Feature

Corrosion Resistance

Organic acids at high concentrations and moderate temperatures.
Inorganic acids, e.g. phosphoric and sulphuric acids, at moderate concentrations and temperatures. The steel can also be used in sulphuric acid of concentrations above 90% at low temperature.
Salt solutions, e.g. sulphates, sulphides and sulphites.

Caustic Environments
Austenitic steels are susceptible to stress corrosion cracking. This may occur at temperatures above about 60°C (140°F) if the steel is subjected to tensile stresses and at the same time comes into contact with certain solutions, particularly those containing chlorides. Such service conditions should therefore be avoided. Conditions when plants are shut down must also be considered, as the condensates which are then formed can develop conditions that lead to both stress corrosion cracking and pitting.
SS316L has a low carbon content and therefore better resistance to intergranular corrosion than steels of type SS316.

Dimensional Tolerance

ASTM A269 / ASME SA269, 316L, UNS S31603
Size OD Tolerance OD Tolerance WT
≤1/2’’ (≤12.7 mm) ±0.005’’ (±0.13 mm) ±15%
1/2’’<OD≤1’’ (12.7<OD≤25.4 mm) ±0.005’’ (±0.13 mm) ±10%
Meilong Standard
Size OD Tolerance OD Tolerance WT
≤1/2’’ (≤12.7 mm) ±0.004’’ (±0.10 mm) ±10%
1/2’’<OD≤1’’ (12.7<OD≤25.4 mm) ±0.004’’ (±0.10 mm) ±8%

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Wholesale Dealers of Super Duplex 2507 Chemical Injection Line - Encapsulated Control Line Tube – MEILONG detail pictures


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  • Superb technology, perfect after-sales service and efficient work efficiency, we think this is our best choice.
    5 Stars By Tyler Larson from Ethiopia - 2018.12.11 11:26
    Goods just received, we are very satisfied, a very good supplier, hope to make persistent efforts to do better.
    5 Stars By Ivy from Sudan - 2017.09.16 13:44
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