Adjustable choke, CV model
Description
Adjustable chokes are installed in wellhead and blowout equipment to continuously regulate the operation of oil, gas and gas condensate wells. Regulation of mud flow is made by changing the seat run in clearance when raising or lowering the needle.
API 6А
CHARACTERISTICS
PNS мм (in):
52-103 (2 1/16-4 1/16)
Working pressure МPа (psi):
14-105 /2000-15000
Working substance:
oil, gas, mud, water
Working temperature, °С:
from -60 to +121
M/C:
АА, ВВ, СС, DD, ЕЕ, FF, НН
Tech. performance:
PSL1- PSL4
W/C:
PR1, PR2
DETAILED SPECIFICATIONS
| № | Symbol | PNS | WORKING PRESSURE PSI/МПа | |||||
|---|---|---|---|---|---|---|---|---|
| мм | in | 2000/14 | 3000/21 | 5000/35 | 10 000/70 | 15 000/105 | ||
| 1 | CV | 52 | 2 1/16 | – | + | + | + | + |
| 2 | CV | 65 | 2 9/16 | + | + | + | + | + |
| 3 | CV | 78 | 3 1/16 | – | – | – | + | + |
| 4 | CV | 80 | 3 1/8 | – | + | + | – | – |
| 5 | CV | 103 | 4 1/16 | + | + | + | + | – |