API Casing Pipe Join Coupling with Standard Thread1
2 year ago
Tubing Couplings
We carry size range of 2-3/8”, 2-7/8″, 3-1/2″,4″ and 4-1/2″ in J55, K55, N80, P110 grade. All of our couplings meet the API Specifications 5CT/5B.
Couplings are short lengths of pipe used to connect 2 joints of tubing or casing. They come with painted colour codes on their external surface to indicate their grades.
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API Tubing Coupling
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Type
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NU
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EU
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OD
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1.9"
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2 3/8"
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2 7/8"
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3 1/2"
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4"
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4 1/2"
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API Casing Couplings
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Type
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SC
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LC
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BTC
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OD
(Inch)
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4 1/2"
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5"
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5 1/2"
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6 5/8"
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7
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7 5/8"
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8 5/8"
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9 5/8"
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10 3/4"
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11 3/4"
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13 3/8"
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16
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18 5/8"
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20
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Puyang Zhongshi Group Co., Ltd is a professional manufacturer of various oilfield equipments and cementing accessories since 1997, restructured enterprise of SINOPEC. Our group have 10 years export experience and 9 subsidiary factories, more than 500 employees. We are the first-class supplier of resources market of SINOPEC and CNPC.
We have the certificates of API 5CT, API 10D, API 11E, API 6A, API 11AX, ISO 9001 and ISO 14001. Our foreign customers are mainly from America, Central Asia, Russia, Southeast Asia, Middle East, etc.
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Main Product:
Sucker Rod Pump,
Pump Unit,
Pump Jack,
Wellhead Installation,
Cementing Head ,
Casing Centralizer
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