API standard Kelly valve(Upper kelly valve/Lower kelly valve) for oilfield
- 1000 Piece / Pieces per Month
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Product Details
| Place of Origin | Shandong, China | Brand Name | Nera | |
| Model Number | FXSZ121, FXSZ168,FXSZ178 | Type | Bop | |
| Machine Type | Drilling Tool | Certification | Other, API&ISO | |
| Material | Other, 4145,4145H MOD,SS,etc | Processing Type | Forging | |
| Use | Well Drilling |
Product Description
Kelly valve(upper kelly valve/lower kelly valve) for oil drilling
Kelly valve description:
Kelly valve also named Kelly cock or drill pipe safety valve. It is a hand control valve in drill string circulating
system and it is one of the effective tools to prevent blowout. Kelly valve is divided into Upper Kelly Valve and
Lower Kelly Valve. Upper Kelly Valve is connected between swivel sub and Kelly. Lower Kelly valve is connected
between lower end of Kelly and top of drill pipe or lower end of Kelly save sub. Rotating the wrench of full
opening safety valve 90° to realize on and off. In the drilling operation, in order to avoid malignant accidents,
Kelly valves should be connected to both end of Kelly to prevent loss of drilling fluid and blowout.
Kelly valve specifications:
Type | OD mm(inch) | Connection API | ID mm(inch) | Working Pressure MPa |
XS86 | 86(3 3/8) | NC26 | 30(1-3/16) | 35-70 |
XS105 | 105(4 1/8) | NC31 | 40(1-37/64) | 35-70 |
XS111 | 111(4-3/8) | NC31 | 40(1-37/64) | 35-70 |
XS121 | 121(4 3/4) | NC38 | 44.5(1 3/4) | 35-70 |
XS127 | 127(5) | NC38 | 44.5(1 3/4) | 35-70 |
XS146 | 146(5 3/4) | 4-1/2REG LH | 44.5(1 3/4) | 35-70 |
XS159 | 159(6 1/4) | NC46 | 57.2(2 1/4) | 35-70 |
XS168 | 168(6 5/8) | NC50 | 71.4(2-13/16) | 35-70 |
XS178 | 178(7) | 5-1/2FH | 71.4(2-13/16) | 35-70 |
XS197 | 197(7 3/4) | 6-5/8REG LH | 76.2(3) | 35-70 |
XS203 | 203(8) | 6-5/8REG LH | 76.2(3) | 35-70 |
Certificates:
Contact Us
- Dongying Nera Petroleum Mechanical Manufacture Co., Ltd.
- Contact nameKevin Qin Chat Now
- Phone86-546-8175070
- AddressNo. 2, Juzhou Road, Development Zone
Product Categories
| Accessories | BOP | downhole mud motor | downhole tool |
| drill collar | Drill Pipe | Drill Pipe Float Valve | Fishing Tools |
| MWD/LWD and accessories | New Products | stabilizer | Subs |
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