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Kelly Cock Valve

Min. Order: 1 Piece/Pieces
Payment Terms: L/C, D/P, T/T
Place of Origin: Heilongjiang

Company Profile

Location: China (Mainland)
Business Type: Manufacturer

Product Detail

Model No.: CS
Means of Transport: ocean land airline
Brand Name: MSG
drilling tools: 1
Packing: wooden cases
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Product Description

The Kelly cock valve, which is a manually operated ball valve run in the I.D.of drill string, is one of effective tool for preventation from blowout. The kelly cock is divided into upper kelly cock valve and lower kelly cock. The upper kelly cock is connected between lower end of swivel and upper end of kelly. The lower kelly cock is connected between upper end of drill pipe and lower end of kelly or connected between lower end of kelly saver subs. The Kelly cock features a simple operation, the Kelly valve can be opened on or closed off by only turning the special operating spanner at 90° according to indicating direction. During drilling operation, the Kelly cock shall be connected at upper end and lower end of Kelly.
The Specifications of the upper Kelly valve
Type
O.D.
(mm)
Water Hole
Diameter
   (mm)
(LH)
Connection
Working Pressure
(Mpa)
Suitable Range
CS146
146
50
4 1/2″REG-LH
35   70   105
Tetragonal and
Hexagonal kelly
CS200
200
76
6 5/8″REG-LH
35   70   105
The Specifications of the lower Kelly valve
Type
O.D.
(mm)
Water Hole
Diameter
(mm)
Connection
Working
Pressure
(Mpa)
Suitable Range
XS105
105
41
NC31
35  70   105
Tetragonal
and Hexagonal
  Kelly
XS121
121
50
NC38
35  70   105
XS127
127
50
NC38
35  70   105
XS165
165
61
NC46
35  70   105
XS178
178
71
NC50  5-1/2FH
35  70   105
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