NKM PREMIUM CONNECTION acc. to GOST 633-80

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NKM PREMIUM CONNECTION acc. to GOST 633-80
Posting date : Oct 11, 2013
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72-
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Quick DetailsThickness: 1.05 - 133 inch Section Shape: Round Outer Diameter: 26.67 - 508 mm Place of Origin: Beijing China (Mainland) Secondary Or Not: Non-secondary Application: Oil Pipe Technique: ERW Certification: API Surface Treatment: Other Special Pipe: API Pipe Alloy Or Not: Is Alloy Grade: 12Cr2Mo,35CrMo4,Cr-Mo alloy Standard: API 5CT,API 5L,API 5DP,API Packaging & DeliveryPackaging Detail: baling packaging Delivery Detail: 30 day SpecificationsLandrill Holding Limited,was engaged in supply of kinds of equipment for oil and gas industries like OCTG ,drilling equipment NKM PREMIUM CONNECTION acc. to GOST 633-80 4,233 mm pitch and 30° stabbing and compression load flanks; • Pipes with OD 114mm have 5,08mm pitch and 10° stabbing and compression load flanks; • 3° tension load flank for both thread types provides improved performances during tensile and bending stress and reduces cross threading. Metal-To-MetalSeal: • Pipes with OD from 60 up to 102 mm have 1:12 taper metal-to-metal gas tight internal pressure seals; • Pipes with OD 114 mm have 1:16 ta- per metal-to-metal gas tight internal pressure seals. Application field TMK NKM is a tubing coupling premium connection with extra sealing properties de- signed according to GOST 633-80 for use in oil and gas wells. Design description Threadform: • TMK NKM has a trapezium thread profile with the following parameters: • Pipes with 60 to 102 mm OD have InternalTorqueShoulder: • 90° Internal torque shoulder provides protection against overtorquing and nu- merous make-ups and break-outs while keeping sealing properties intact. Make-up control For accurate make-up, the pin and box are specially marked. The connection is correctly assembled when the box mark is between the two special marks on the pin, and the face of the box coincides with the base of the triangle sign on the pin end of the pipe. NKM Premium Connection Dimensions acc. to GOST 633-80

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