Cangzhou Ruitai Petroleum Machinery Co., Ltd
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Premium Casing RTT-16H6
Connection is designed with extreme-line thread without coupling.
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Premium Connections
Premium Casing RTT-16H6
STRUCTURE
•Connection is designed with extreme-line thread without coupling.
•Joint external upset,
•RTT-16H6 adopts straight, non-interference thread style. Loading surface angle is 7.5°, stabbing surface angle is 20°. RTT-CS is 8 TPI, RTT-16H6 is 6 TPI, RTT-14H4 is 4 TPI.
•Metal-to-metal internal pressure seal is rated at 100% of the pipe body. The 100% external pressure seal is created at the torque shoulder.
•External shoulder designed with -60° negative angle shoulder, internal shoulder is rectangle shoulder.
•Surface treatment: internal and external thread needs phosphate treatment.
PERFORMANCE
•The two-step, non-interference thread style provides
RTT-CS/RTT-16H6/RTT-14H4 with very good galling resistance.
•H2S service suitability is ensured by combining the low stress profile of non-interference threads with fixed make-up position control of a shouldered connection.
•The 100% external pressure seal is created at the torque shoulder. Metal-to-metal internal pressure seal is rated at 100% of the pipe body.
•100% pipe body tension strength is produced by machining pin and box on a hot-forged upset. Connection critical areas exceed the pipe body area.
•High torque strength is provided by the reverse angle shoulder. The shoulder also provides excellent resistance to compression and ben ding loads.
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