Double Flapper Check Valve

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price: Negotiable
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Delivery term: The date of payment from buyers deliver within days
seat: Beijing
Validity to: Long-term effective
Last update: 2017-11-09 07:48
Browse the number: 410
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Product details

Xi'an ZZ Top Oil Tools Co.,Ltd is one of the top level double flapper check valve manufacturers and suppliers, with professional factory, we are able to produce API and oilfield double flapper check valve, welcome to contact us.

1.Introduction

The double flapper check valve is the standard part of the coiled tubing string, when the coiled tubing string or surface equipment is failed to work or damaged, the double flapper check valve will prevent the down-hole liquid refluxing into the tubing string. The double flapper check valve is designed with dual seal structure to improve the reliable of the sealing, the elastomeric seal is mainly for the low pressure sealing and the metal sealing is for the high pressure sealing.

This style of flapper check valve can be utilized on low or high-pressure

applications.


2.Feature and benefits

*Dual elastomer seal for each group of flapper

*Designed for working in high & low-pressure wells 

*Easy to install onto the coiled tubing bottom hole assembly

* Removable flapper, easy to maintain

*Full bore design


3.Application

All standard Coiled Tubing Operations

Milling operations

Fishing operations


CT Spec.(in)

Max. OD(mm)

Min ID (mm)

W.P. (Psi)

Connection Length

1.250

31.8

8.0

10000

305.0

1.500

38.0

10.0

10000

335.8

1.750

44.5

16.0

10000

409.0

2.000

50.8

18.0

10000

414.5

2.250

57.0

25.0

10000

454.5

2.375

60.0

26.0

10000

454.5

2.875

73.0

32.0

10000

478.5


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