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