XI‘AN ZZTOP OIL TOOLS CO.，LTD
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The manual tongs are designed and manufactured in accordance with API Spec 7K-2010 and SY5035-2012 Which is a useful tool applied to make up and break out drill pipes,coupling hoop of the drill pipe,joint,casings,casing hoops etc.When raise drill tool up and fall it down.
Changing lug jaws and handling shoulders or hole can adjust the handling size of the tongs. According to the requirements of the usage different torque's tongs can be chosen.
Main Technical Parameters
| Type | No.of Latch Lug Jawand Hinge PinHole | Handling O.D. | Rated Torque | |
| in | KN.m | |||
| Type B Tongs | 1# | 1 | 3 1/2；3 3/4；4 1/8 | 55 |
| 2 | 4 1/8:4 1/4；4 1/2；4 5/8；4 3/4；5 | |||
| 2# | 1 | 4 1/4；4 1/2:4 5/8；4 3/4；5:5 1/8；5 1/4 | 75 | |
| 2 | 5:5 1/8；5 1/4, 5 3/8；5 1/2:5 9/16；5 5/8；5 3/4 | |||
| 3 | 6；6 1/8；6 1/4；6 3/8；6 1/2；6 3/4 | |||
| 3# | 1 | 6 5/8；6 3/4；7:7 1/16； 7 1/4 | ||
| 2 | 7 3/8:7 5/8；7 3/4:8 | |||
| 3 | 8 1/；8 5/8；9 | 55 | ||
| 4# | 1 | 9；9 1/2；9 5/8 | ||
| 2 | 10 5/8；:10 3/4 | |||
| 5# | 1 | 11 3/4 | 40 | |
| 6# | 1 | 12 3/4；13 | ||
| 7# | 1 | 13 3/8 | ||
About JC Wellhead
Jingcheng Petroleum Machinery Manufacturing Co.,Ltd was established in 2008, we are specialized in design and manufacturing of the oilfield wellhead equipment. We - YCJC are a registered supplier for CNPC, GWDC, CCDC in China and got the API certificate from 2010.
In 2012, JC wellhead jointed with ZZ TOP Oil tools to expand the international business, in order to meet the customers' various requirement, we work with other large drilling rig companies to supply the other oilfield equipments, such as drilling rig components (mud pump & parts, rotary swivel, travelling block, hook etc), handling tools ( slip, elevator, spider, casing tong, power tong, mual tong etc.) and so on.
YCJC also engaged in abroad marketing, through these years of efforts, our wellhead equipment is exported to many countries, sand enjoyed good reputation from the customers.