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Dual Flapper Check Valve

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双挡板式单向阀是连续油管标准工具串重要的组成部分。用于阻止在管柱下入或回收时的井底压力上窜,达到保护井口设备的目的。两级挡板阀相互独立,橡胶材质的密封环保证井底压力低时挡板阀的密封,当压力高时,橡胶压缩,这时金属与金属密封,承受高压。在作业时如果需要投球或短棒,允许钢球或短棒从上往下通过。
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Specifications
 

PN#

Max OD

Min ID

Pressure

Thread

(in)

(in)

MPa

D96-5168-100

1.687

0.687

70

1” AMMT

D96-5175-100

1.750

0.687

D96-5212-100

2.125

0.891

1.5” AMMT

D96-5237-100

2.375

1.000

D96-5287-100

2.875

1.369

2 3/8” PAC

D96-5312-100

3.125

1.442

D96-5312-102

3.125

1.442

2 3/8” EUE

D96-5387-101

3.875

2.125

2 7/8” EUE

 

 

Features

 

  • With higher sealing performance.
  • Easy maintenance.
  • Combines reliability, minimum flow restrictions, and the ability to pump wiper plugs or to drop balls through the valve for disconnects, etc.
  • With a maximum working temperature of 180℃
  • Materials suitable for H2S environment are available.

 

 

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SJS Petroleum Drilling & Production Equipment Co., Ltd

Address: No. 101, Xihuan Road, Jinzhou District, Jingzhou City, Hubei Province, P.R. China

Tel: +86-716-8012162

Fax: +86-716-8429433

E-mail: info@sjs.ServaCorp.com

 

SJS

Official Public Account

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