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 Choke Valve£º
The choke valve, a main component of Christmastree, is design to control production rate of the oil well,with working pressure up to 10000psi. Choke valvescan be classified as follows: adjustable choke valves and positive choke valves. By rotating handwheel todrive the stem, the adjustable choke valve is designedto adjust the effective area available for the flow to ac-complish control of production rate. The positive chokevalve is design to accomplish control of production rateby changing flow beans.
Features£º
The coupling nut used for connecting the bonnetand body allows fast make-up and break-out
Stem tip and bean adaptor are fabricated from spe-cial carbide alloys for corrosion and abrasionresistance.
Indicator lens with scale marks allows the operatorto know stem's position and actual orifice area
Turn handwheel counter-clockwise and the valvewill open; turn handwheel clockwise and the valvewill close.
Parts List£º
Item |
Component |
Qty |
Material |
Remark |
1 |
Bushing |
1 |
FKM |
|
2 |
Body |
1 |
30CrMo |
|
3 |
Bonnet Stud |
8 |
30CrMo |
|
4 |
O-Ring |
2 |
NBR |
|
5 |
Seat Bushing |
1 |
30CrMo |
|
6 |
Seat |
1 |
YG8 |
|
7 |
Stem Adaptor |
1 |
30CrMo |
|
8 |
Valve Core |
1 |
YG8 |
|
9 |
O-Ring |
2 |
NBR |
|
10 |
Packing Box |
1 |
30CrMo |
|
11 |
O-Ring |
2 |
NBR |
|
12 |
Bonnet |
1 |
30CrMo |
|
13 |
Packing Gland |
1 |
30CrMo |
|
14 |
Bonnet Nut |
8 |
30CrMo |
|
15 |
Stem |
1 |
2Cr13 |
|
16 |
Screw Housing |
1 |
40Cr |
|
17 |
Saddle Key |
1 |
45 |
|
18 |
Stem Nut |
1 |
ZcuA19-4 |
|
19 |
Handwheel |
1 |
QT400-17 |
|
20 |
Indecator Ring |
1 |
2Cr13 |
|
21 |
Stem Protector |
1 |
Q235 |
|
22 |
Bearing Gland |
1 |
40 Cr |
|
23 |
Bearing |
2 |
|
Standard |
24 |
Flat Key |
1 |
|
Standard |
25 |
Grease Cup |
1 |
|
Standard |
26 |
Packing Ring |
2 |
2Cr13 |
|
27 |
Packing |
5 |
FKM |
|
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