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Positive Seal Coupling System
The Positive Seal Coupling System (Mechanical Connector) was developed in 1979 and first patented in 1982. The current Coupling System design, patented in 1998, is the result of extensive mechanical and metallurgical re-engineering, finite element analysis, and laboratory testing.
This Coupling System is a high strength, cost-effective alternative to welding for joining NPS 2” through 12” line pipe. Originally developed for use joining internally coated pipe-it eliminates the need for internal girth weld coating repair necessitated by the coating weld burn. The Coupling is suitable for bare pipe as well. Pipe wall thickness Schedules up to 160 and all API 5L “X” Grades plus CRA line pipe can be accommodated.
Pipeline construction time is significantly reduced and the Positive Seal connection (Mechanical Connector) required no x-ray or the post-connection inspection. Minimal pipe end preparation is required. The is no ID size restriction to product flow or pigging operations, no loss of pipe length during makeup, and no stress fatigue or cracking of pipe ends.
The Positive Seal Coupling (Mechanical Connector) connection has 100% pressure, stress, and load capability under ANSI/ASME Piping Codes B31.3, B31.4, B31.8, and under CAN/CSA – Z183, Z184, and complies with the requirements of U.S. Department of Transportation 49 CFR Parts 192 and 195.
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This Coupling System is a high strength, cost-effective alternative to welding for joining NPS 2” through 12” line pipe. Originally developed for use joining internally coated pipe-it eliminates the need for internal girth weld coating repair necessitated by the coating weld burn. The Coupling is suitable for bare pipe as well. Pipe wall thickness Schedules up to 160 and all API 5L “X” Grades plus CRA line pipe can be accommodated.
Pipeline construction time is significantly reduced and the Positive Seal connection (Mechanical Connector) required no x-ray or the post-connection inspection. Minimal pipe end preparation is required. The is no ID size restriction to product flow or pigging operations, no loss of pipe length during makeup, and no stress fatigue or cracking of pipe ends.
The Positive Seal Coupling (Mechanical Connector) connection has 100% pressure, stress, and load capability under ANSI/ASME Piping Codes B31.3, B31.4, B31.8, and under CAN/CSA – Z183, Z184, and complies with the requirements of U.S. Department of Transportation 49 CFR Parts 192 and 195.
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WATER - INJECTION
Since 1979, PSC’s for high-pressure water-injection have been installed in Saudi Arabia, the United States, Libya, the United Arab Emirates, and Oman.
HYDROCARBON
As the water-cut in oil flow-lines starts to increase - so does corrosion. PSC’s combined with internal-coating are an excellent option to mitigate this problem.
