Type

Working Pressure (MPa)

Strength Test (Mpa)

Diameter
(mm)

Casing Tube Size (in)

Oil Tube Size (in)

KY25/65 Oil Wellhead Assembly

25

50

Φ65

5 1/2
6 5/8

2 7/8

KY25/78 Oil Wellhead Assembly

Φ78

5 1/2
6 5/8

3 1/2

KYD21/65 Electric Pumping Wellhead Assembly

21

42

Φ65

5 1/2
6 5/8

2 7/8

KYJ25/65 Oil Wellhead Assembly

25

50

Φ65

5 1/2

2 7/8

Eccentric Wellhead Assembly

16

32

Φ65

5 1/2

2 7/8

Multifunctional Eccentric Wellhead Assembly

UP 14
Down 25

UP 28
Down 50

Φ52

5 1/2? 6 5/8

2 7/8

Oil Wellhead Technical Process Assembly

6.4

10

Φ65

Oil Wellhead Assembly

21

42

Φ65

5 1/2
6 5/8

2 7/8
3 1/2

Oil Wellhead Assembly

35

70

Φ65

5 1/2
6 5/8

2 7/8

Burglarproof Oil wellhead Assembly

UP 14
Down 25

UP 28
Down 49

Φ65

5 1/2

2 7/8