Special O-ring SS-NT
Stuffing box is designed to seal the wellhead operated by the sucker-rod pumps, to prevent oil leaks between the polished rod and the gland packing.
Fluid type: water, wellstream fluid from +5°С to +95°С; pressure - max 16.0 Mpa; density- 700-900 kg/m3 ; viscosity - max 50х10-6 м2/с.
Climate design of the stuffing box is UHL (moderate-cold), location category during operation is 1 according to GOST 15150-69 at the ambient temperature of -60oC to +40oC.
Gland is made of three types
1-special straight gland CC-NT-73-1
2-special gland with lateral branch CC-NT-73-2
3-special gland CC-NT-73-3
Parameters |
Design |
||
|
CC-NT-73-1 |
CC-NT-73-2 |
CC-NT-73-3 |
Overall dimensions, mm, max - Height - Width |
675 200 |
675 200 |
756 200 |
Mass, kg, max |
16.8 |
17.4 |
16 |
Operating pressure (with moving rod), MPa |
4 |
||
Connecting thread |
Tubing 73 |
Tubing 73, Tubing 60 |
Tubing 73 |
Diameter of sealed polished rod, mm |
31.8 |
||
Mean time between failures, hours, min |
3500 |
||
Life time, years |
10 |
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