Double flapper check valve

Products Introduce

Introduction:

The dual-flapper check valve is a downhole blowout prevention tool equipped with two sets of flapper check valve components made from high-temperature nickel-based alloy. Its large-bore design facilitates ball drop operations. The high-temperature composite sealing design ensures high reliability.

Features and Benefits:

★ High-temperature nickel-based alloy check valve assembly.

★ High-temperature resistant composite seal.

★ The integrated valve barrel offers exceptional reliability.

Technical Specifications

O.D.

mm

I.D.

mm

Length

mm

Connection

Max Working 

Press

MPa

Max. Working

Temp.

℃

Max Working

Tensile 

kN

Max Working

Torsional 

kN.m

43

16.8

310

1 AMMT.B×P

70

190

155

1

 

54

 

23.8

 

345

1 1/2

AMMT.B×P

 

70

 

190

 

280

 

2.7

 

60

 

23.8

 

345

1 1/2

AMMT.B×P

 

70

 

190

 

350

 

3.5

73

32

461

2 3/8 PAC.B×P

70

190

450

6.1

 

79

 

32

 

461

 

2 3/8 PAC.B×P

 

70

 

190

 

495

 

9