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


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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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