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API Rotary Kelly pipe(Square Kelly and Hexagonal Kelly) for oilfield
- Manufacturer: Kelly
Manufactured from AISI 4145H-modified fully heat-treated alloy steel with a Brinell hardness range of 285-341 Kelly is the drive part of whole drill string, it transmit the torsional energy from the rotary table ...
Dongying, China - Trusted Seller
Hot selling! Roller Kelly Bushings are used for 17 1/2-49 1/2 inch rotary tables
- Manufacturer: Kelly
Roller Kelly Bushings 1. Model: HDS, 27-HDP, 20-HDP, RTM4,RTS4 2.Roller kelly bushings can be classed as two types based on different ways of drive, square drive and pin drive 3.Roller kelly bushings can be class...
Dongying, China 
API 7-1 certificated Kelly Valve Uper type and Lower type good quality Top sale
- Manufacturer: Kelly
Kelly Valve Kelly valve is a manually operated ball type valve for the drill stem, divided into upper and lower sections. The upper Kelly valve is connected between lower end of swivel and upper end of Kelly. The...
$600 USDDongying, China
API 7-1 certificated Kelly Valve Uper type and Lower type very good quality
- Manufacturer: Kelly
Kelly Valve Kelly valve is a manually operated ball type valve for the drill stem, divided into upper and lower sections. The upper Kelly valve is connected between lower end of swivel and upper end of Kelly. The...
$600 USDDongying, China
API 7-1 certificated Kelly Valve Uper type and Lower type
- Manufacturer: Kelly
Kelly Valve Kelly valve is a manually operated ball type valve for the drill stem, divided into upper and lower sections. The upper Kelly valve is connected between lower end of swivel and upper end of Kelly. The...
$600 USDDongying, China
API 7-1 certificated Kelly Valve Uper type and Lower type very very good quality
- Manufacturer: Kelly
Kelly Valve Kelly valve is a manually operated ball type valve for the drill stem, divided into upper and lower sections. The upper Kelly valve is connected between lower end of swivel and upper end of Kelly. The...
$600 USDDongying, China
API 7-1 certificated Kelly Valve Uper type and Lower type famous
- Manufacturer: Kelly
Kelly Valve Kelly valve is a manually operated ball type valve for the drill stem, divided into upper and lower sections. The upper Kelly valve is connected between lower end of swivel and upper end of Kelly. The...
$600 USDDongying, China
API 7-1 certificated Kelly Valve Uper type and Lower type good quality
- Manufacturer: Kelly
Kelly Valve Kelly valve is a manually operated ball type valve for the drill stem, divided into upper and lower sections. The upper Kelly valve is connected between lower end of swivel and upper end of Kelly. The...
$600 USDDongying, China
API 7-1 certificated Kelly Valve Uper type and Lower type for drilling operations
- Manufacturer: Kelly
Kelly Valve Kelly valve is a manually operated ball type valve for the drill stem, divided into upper and lower sections. The upper Kelly valve is connected between lower end of swivel and upper end of Kelly. The...
$600 USDDongying, China
API 7-1 certificated Kelly Valve Uper type and Lower type good quality
- Manufacturer: Kelly
Kelly Valve Kelly valve is a manually operated ball type valve for the drill stem, divided into upper and lower sections. The upper Kelly valve is connected between lower end of swivel and upper end of Kelly. The...
$600 USDDongying, China