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

Type

Working

Pressure

MPa

Maximum

Temperature

Tensile

Strength

kN

Torsional

Strength

N.m

43

16.8

310

1 AMMT.B×P

70

190

155

1000

 

54

 

23.8

 

345

1 1/2

AMMT.B×P

 

70

 

190

 

280

 

2700

 

60

 

23.8

 

345

1 1/2

AMMT.B×P

 

70

 

190

 

350

 

3500

73

32

461

2 3/8 PAC.B×P

70

190

450

6100

 

79

 

32

 

461

 

2 3/8 PAC.B×P

 

70

 

190

 

495

 

9000