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| Spec | Weight | Flat-end Weight | External Diameter D | Wall Thickness t | Grade | Upset Type | |||
lb/ft |
Kg/m |
inch |
mm |
inch |
mm |
||||
| 2-3/8″ | 6.65 | 6.27 | 9.33 | 2.375 | 60.3 | 0.280 | 7.11 | E,X,G,S | Upset |
| 2-7/8″ | 10.4 | 9.72 | 14.47 | 2.875 | 73.0 | 0.362 | 9.19 | E,X,G,S | Upset |
| 3-1/2″ | 13.3 | 12.32 | 18.34 | 3.500 | 88.9 | 0.368 | 9.35 | E,X,G,S | Upset |
| 3-1/2″ | 15.5 | 14.64 | 21.79 | 3.500 | 88.9 | 0.449 | 11.4 | E,X,G,S | Upset |
| 4″ | 14.0 | 12.95 | 19.27 | 4.000 | 101.6 | 0.330 | 8.38 | E,X,G,S | Int Upset |
| 4-1/2″ | 16.6 | 15.00 | 22.32 | 4.500 | 114.3 | 0.337 | 8.56 | E,X,G,S | Int-Ext Upset |
| 4-1/2″ | 20.0 | 18.71 | 27.84 | 4.500 | 114.3 | 0.430 | 10.92 | E,X,G,S | Int-Ext Upset |
| 5″ | 19.5 | 17.95 | 26.70 | 5.000 | 127.0 | 0.362 | 9.19 | E,X,G,S | Int-Ext Upset |
| 5″ | 25.6 | 24.05 | 35.80 | 5.000 | 127.0 | 0.500 | 12.7 | E,X,G,S | Int-Ext Upset |
| 5-1/2″ | 21.9 | 19.83 | 29.52 | 5.500 | 139.7 | 0.361 | 9.17 | E,X,G,S | Int-Ext Upset |
| 5-1/2″ | 24.7 | 22.56 | 33.57 | 5.500 | 139.7 | 0.415 | 10.54 | E,X,G,S | Int-Ext Upset |
The predecessor of Henan Puyang Zhongshi Group Co.,Ltd. was the 5th Machine Repairing Factory of Puyang Zhongyuan Oil field, Sinopec Corp. In 1997, after being restructured according to the modern corporate system, the factory was named Puyang Zhongshi Group Co.,Ltd.
With registered capital of 60,840,000 yuan, Puyang Zhongshi Group is composed of 9 subsidiaries, including 8 manufacturers and 1 trade company. Zhongshi Group covers an area of 200,000 sq.m, including workshop area of 50,000 sq.m. Various kinds of production equipment values 38,600,000 yuan. It has a strong mechanical processing capability.
Our leading products are pumping unit , wellhead (X-mas tree), tubing pump & sucker rod pump, cementing accessories, down-hole tools,casing centralizer, drilling solid control series,float collar, pressure vessel ,camping house, air cannon, belt feeder ,float shoe and so on. They are mainly supplied to Central Asia, Southeast Asia, Africa and Middle East and many other countries.
Zhongshi Group has been the Tier One internet service provider of Sinopec. We passed ISO9001 quality management system certification and got approved to use API monograms on its oil machineries. So far, we have attained API 5CT, API 10D, API 11AX, API 11E and more are applying for.
With strong technical backup, reliable product quality, advanced marketing regime and good service system, this company wins popularity and recognition of vast consumers home and abroad.
wechat : 37798983
TM : cn200039616
Skype: cathy20059999
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