D-H2 Adjustable Choke
DOYLES Adjustable Chokes are designed for reliable flow control and maximum wear life. DOYLES chokes are available in flanged ends in standard bore sizes from 1-13/16” thru 4-1/16”, in working pressures of 5,000 psi through 15,000 psi.
Features
- Manufactured and tested in accordance with API 6A
- Flow adjustment indicated with measuring scale
- Thrust bearings reduce operating torque
- Medium: oil and gas accompanied with sour gas or / and sand
- Rated Working Pressure: 5,000psi ~ 15,000psi
- Bore Size: 1-13/16” thru 4-1/16”
- Temperature: K ~ U
- Material Classes: EE ~ HH
- End connections: flange, union

Bill of Material
| Item |
Unit |
QTY |
Description |
| 1 |
EACH |
1 |
Handwheel |
| 2 |
EACH |
1 |
(Handwheel) Nut, Heavy Hex |
| 3 |
EACH |
1 |
(Handwheel) Washer, Flat |
| 4 |
EACH |
1 |
Indicator, Manual |
| 5 |
EACH |
1 |
Screw, Socket Head Cap |
| 6 |
EACH |
1 |
Bonnet Nut |
| 7 |
EACH |
1 |
Bonnet, Manual |
| 8 |
EACH |
1 |
Screw, Thumb |
| 9 |
EACH |
1 |
Teflon Plug |
| 10 |
EACH |
1 |
O-Ring, Standard |
| 11 |
EACH |
2 |
Junk Ring, Manual |
| 12 |
EACH |
1 |
Backup Ring |
| 13 |
EACH |
1 |
U-Packing |
| 14 |
EACH |
1 |
Retainer Ring, Inside Spiral |
| 15 |
EACH |
1 |
Needle-SST/TC, Manual |
| 16 |
EACH |
1 |
Seat-SST/TC |
| 17 |
EACH |
1 |
Seat Gasket |
| 18 |
EACH |
1 |
Body |
| 19 |
EACH |
1 |
Fitting, Gland |
| 20 |
EACH |
1 |
Fitting, Plug |
D-H2 1” MAX. ORIFICE
| INLET |
OUTLET |
WORKING PRESSURE |
X (INLET) |
Y (OUTLET) |
| 2” LINE PIPE |
2” LINE PIPE |
3,000 |
3 7/16” (3.4375”) |
4 9/16” (4.5625”) |
| 2” LINE PIPE |
2” LINE PIPE |
5,000 |
3 7/16” (3.4375”) |
4 9/16” (4.5625”) |
| 2 1/16” 2,000 |
2” LINE PIPE |
2,000 |
3 11/16 (3.6875”) |
4 9/16” (4.5625”) |
| 2 1/16” 5,000 |
2” LINE PIPE |
3,000 |
6 7/8” (6.875”) |
4 9/16” (4.5625”) |
| 2 1/16” 5,000 |
2” LINE PIPE |
5,000 |
6 7/8” (6.875”) |
4 9/16” (4.5625”) |
| 2 1/16” 2,000 |
2 1/16” 2,000 |
2,000 |
6 11/16” (6.6875”) |
7 13/16” (7.8125”) |
| 2 1/16” 5,000 |
2 1/16” 5,000 |
3,000 |
6 7/8” (6.875”) |
8” |
| 2 1/16” 5,000 |
2 1/16” 5,000 |
5,000 |
6 7/8” (6.875”) |
8” |
| 2 9/16” 5,000 |
2 9/16” 5,000 |
3,000 |
6 15/16” (6.9375”) |
8 1/4" (8.250”) |
| 2 9/16” 5,000 |
2 9/16” 5,000 |
5,000 |
6 15/16” (6.9375”) |
8 1/4" (8.250”) |
| 3 1/8” 3,000 |
3 1/8” 3,000 |
3,000 |
7 13/16” (7.8125”) |
8 15/16” (8.9375”) |
| 3 1/8” 5,000 |
3 1/8” 5,000 |
3,000 |
9 11/16” (9.6875”) |
9 9/16” (9.5625”) |
| 1 13/16” 10,000 |
1 13/16” 10,000 |
10,000 |
7 11/16” (7.6875”) |
8 13/16” (8.8125”) |
| 2 1/16” 10,000 |
2 1/16” 10,000 |
10,000 |
11/16” (7.6875”) |
8 13/16” (8.8125”) |
| 2 9/16” 10,000 |
2 9/16” 10,000 |
10,000 |
8 3 /16” (8.1875”) |
9 5/16” (9.3125”) |
| 1 13/16” 15,000 |
1 13/16” 15,000 |
15,000 |
8 15/32” (8.46875”) |
9 5/8” (9.625”) |
| 2 1/16” 15,000 |
2 1/16” 15,000 |
15,000 |
8 7/8” (8.875”) |
10 5/16” (10.3125”) |
| 2 9/16” 15,000 |
2 9/16” 15,000 |
15,000 |
10 1/2" (10.500”) |
11 3/4" (11.750”) |
| 3 1/16” 15,000 |
3 1/16” 15,000 |
15,000 |
10 11/32” (10.34375”) |
11 5/8” (11.625”) |
D-H2 2” MAX. ORIFICE
| INLET |
OUTLET |
WORKING PRESSURE |
X (INLET) |
Y (OUTLET) |
| 3” LINE PIPE |
3” LINE PIPE |
3,000 |
4 1/2" (4.500”) |
7” |
| 3 1/8” 3,000 |
3” LINE PIPE |
3,000 |
8 7/8” (8.875”) |
7” |
| 3 1/8” 5,000 |
3” LINE PIPE |
3,000 |
8 7/8” (8.875”) |
7” |
| 2 1/16” 5,000 |
2 1/16” 5,000 |
5,000 |
8 15/16” (8.9375”) |
11 7/16” (11.4375”) |
| 2 9/16” 5,000 |
2 9/16” 5,000 |
5,000 |
8 7/8” (8.875”) |
11 3/4" (11.750”) |
| 3 1/8” 2,000 |
3 1/8” 2,000 |
2,000 |
8 7/8” (8.875”) |
11 3/8” (11.375”) |
| 3 1/8” 3,000 |
3 1/8” 3,000 |
3,000 |
8 7/8” (8.875”) |
11 3/8” (11.375”) |
| 3 1/8” 5,000 |
3 1/8” 5,000 |
5,000 |
8 7/8” (8.875”) |
11 3/8” (11.375”) |
| 4 1/16” 3,000 |
4 1/16” 3,000 |
3,000 |
10 3/8” (10.375”) |
11 5/8” (11.625”) |
| 4 1/16” 5,000 |
4 1/16” 5,000 |
5,000 |
10 1/8” (10.125”) |
12 5/8” (12.625”) |
| 2 1/16” 10,000 |
2 1/16” 10,000 |
10,000 |
10 3/8” (10.375”) |
12” |
| 2 9/16” 10,000 |
2 9/16” 10,000 |
10,000 |
10 3/8” (10.375”) |
11 3/4" (11.750”) |
| 3 1/16” 10,000 |
3 1/16” 10,000 |
10,000 |
10 3/8” (10.375”) |
11 3/4" (11.750”) |
| 4 1/16” 10,000 |
4 1/16” 10,000 |
10,000 |
9 15/16” (9.9375”) |
11 1/2" (11.500”) |