Metal-plastic pipes and pup-joints
TMC Group Managing Company LLC provides metal-sprayed coating of end sections of pipes and pipeline parts with an internal corrosion-resistant coating (MPK).
Details
Metal-plastic pipes and pup-joints
Metal-plastic pipes and pup-joints with diameter up to 12.8 in. with maximum wall thickness of 0.87 in. represent a steel pipe, a pup-joint pipe with polyethylene (for underground routing) or paint coating (above-ground routing), lined with polyethylene pipe (shell) on the inside and fixed with tips made of:
- structural carbon steel (MPT—metal-plastic pipes);
- corrosion-resistant steel (MPTK—metal-plastic corrosion resistant pipes).
- Normal—operating temperature up to +104 °F.
- Heat-resistant—operating temperature above +104 °F, but NOV +176 °F.
Purpose
MPT, MPTK and MPTK (1) are designed for the construction of pipelines transporting:- oil-field water, refinery water, and fresh water in the reservoir pressure maintenance system;
- corrosive environments of the chemical, petrochemical, oilrefining industries to which polyethylene is chemically resistant.
Advantages
The structural reliability is ensured by:- Effective protection of the inner surface of steel pipes from aggressive effects of the transported medium.
- Effective protection of the outer surface of steel pipes from the effects of soil corrosion by polymer, powder or paint coating.
- Protection of the welded joint area with a corrosion-resistant tip.
- Structural durability—service life of at least 30 years.
- No change in the pipeline throughput over the years of operation due to the absence of buildups.
Products are supplied complete with pipeline parts
- Bent branches from 5° to 120° with a ratio of 1° and diameter of up to 6.26 in.
- Bent branches with weldnecks from 3.5 to 12.8 in. in diameter.
- Crossovers and T-bends from 3.5 to 12.8 in.
- S- and L-shaped bends up to 6.26 in.
Reliability is ensured by
- Observation of the welding conditions in the field. The company provides author’s supervision and engineering support for the first 1.864-3.107 mi of pipeline with training for the construction crew.
- Additional visual supervision of the welding process by changing the color of the thermal indicator material applied to the length of the uninsulated section at the request of the customer.
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