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Wellhead fittings AFK3-65 (80,100) x21 (14.35) K1 (K2) TU 3665-009-4965 2808-2004

Wellhead fittings

AFK3-65 (80,100) x21 (14.35) K1 (K2)

TU 3665-009-4965 2808-2004

Арматура устьевая АФК3-65х21 (14,35)К1(К2)

The wellhead kit is designed for sealing the wellhead of oil wells, regulating their operation mode, installing an ESP, connecting devices for examining wells and performing technological operations.

At the request of the customer, it can be completed with a lubricator.

The wellhead kit is equipped with reliable, easy-to-operate and highly hermetic valves ZD 65-210M.

The lack of free volume in valves of this type excludes the possibility of water ingress and freezing in the valve body.

The alloys and materials used provide high wear and corrosion resistance.

The climatic version of the wellhead fittings is UHL1 (HL1) in accordance with GOST 15150-69.

The limiting values ​​of the operating temperatures of the ambient air are from +40 to – 60 ° С.

By agreement with the customer, any design and configuration options are possible.

Working pressure Pn, MPa (kg / cm²)

14(140), 21(210), 35(350)

Nominal bore Dn, mm Tree trunk

65, 80, 100

Side  track (lateral outlet)

65, 80, 100

Side outlets of the pipe head


Connecting thread To tubing (lift) pipes NKT73 

GOST 663-80

Resistance to downhole environment K1, K2 

GOST 13846-89

Working environment temperature, ° C No more than 120
Схема арматуры устьевой АФК3-65х21К1(К2)