>> MANUAL CHOKE VALVE
The choke valve, a main Description of Christmas tree, is design to control production rate of the oil well, with working pressure up to 10000psi. Choke valves can be classified as follows: adjustable choke valves and positive choke valves. By rotating hand wheel to drive the stem, the adjustable choke valve is designed to adjust the effective area available for the flow to accomplish control of production rate. The positive choke valve is design to accomplish control of production rate by changing flow beans.
Features:
1. The coupling nut used for connecting the bonnet and body allows fast make-up and break-out.
2. Stem tip and bean adaptor are fabricated from special carbide alloys for corrosion and abrasion resistance.
3. Indicator lens with scale marks allows the operator to know stem¡¯s position and actual orifice area.
4. Turn hand wheel counter-clockwise and the valve will open; turn hand wheel clockwise and the valve will close.

Parts Lists

Item

Description

Qty

Material

Remark

1

Bushing

1

FKM

 

2

Body

1

4130

 

3

Bonnet Stud

8

4130

 

4

O-Ring

1

NBR

 

5

Seat Bushing

1

4130

 

6

Seat

1

YG8

 

7

Stem Adaptor

1

NBR

 

8

Valve Core

1

YG8

 

9

O-Ring

2

NBR

 

10

Packing Box

1

4130

 

11

O-Ring

2

NBR

 

12

Bonnet

1

4130

 

13

Packing Gland

1

4130

 

14

Bonnet Nut

8

5140

 

15

Stem

1

410

 

16

Screw Housing

1

5140

 

17

Saddle Key

1

1045

 

18

Stem Screw

1

4130

 

19

Handwheel

1

1035

 

20

Spacer

1

410

 

21

Stem Protector

1

1035

 

22

Bearing Gland

1

5140

 

23

Bearing

2

Assy.

 

24

Flat Key

1

1035

 

25

Grease Cup

1

Assy.

 

26

Packing Ring

2

410

 

27

Packing

5

NBR

 

 

>> HYDRAULIC CHOKE VALVE
The hydraulic choke valve is used to be matched with manifold and other assemblies, which is applicable for flow-rate adjustment, that is, to raise or reduce the valve core location is help for alternation of flow-way cross-area and flow-rate control.
Main technological parameters
Rated pressure£º2000¡«15000psi
Working temperature£ºP U
Working medium £ºpetroleum & natural gas.

Parts Lists

Item

Description

Qty

Material

Remark

1

Body

1

4130

 

2

Bushing

1

FKM

 

3

Seat Bushing

1

4130

 

4

O-Ring

1

NBR

 

5

Seat

1

YG8

 

6

Stop Nut

1

1045

 

7

Valve Core

1

YG8

 

8

Lower Diversion Bushing

1

410

 

9

Upper Diversion Bushing

1

410

 

10

Stem

1

410

 

11

O-Ring

1

NBR

 

12

O-Ring

2

NBR

 

13

Bonnet

1

4130

 

14

Cylinder

1

4130

 

15

Cylinder Adaper

2

4130

 

16

O-Ring

2

NBR

 

17

O-Ring

2

NBR

 

18

O-Ring

2

NBR

 

19

Piston

1

1045

 

20

Cylinder Cover

1

4130

 

21

Circlip

1

1566

 

22

Screw

4

4130

 

23

Washer

1

4130

 

24

O-Ring

2

NBR

 

25

Bonnet Nut

8

5140

 

26

Packing Gland

1

5140

 

27

Bonnet Stud

8

4130

 

28

Packing Ring

2

410

 

29

Stem Lip Packing

5

NBR

 

 

>> ADJUSTABLE AND POSITIVE CHOKE VALVE
The adjustable and positive choke valves are designed for reliable flow control and maximum wear life, The choke valves are available in flanged or threaded ends in standard bore sizes form 1-13/16¡± thru 4-1/16¡±,in working pressures of 2000 psi through 10000 psi.

 

 
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