Specifications

1.Oilfiled stage cementer
2. inner-closing structure
3. The pressure-relief design prevents fluid trapping

Oilfiled  stage cementer 

 

1.The YFZ-A stage cementer can be permanently self-locking in the closing position,with inner-closing structure. 

2.The pressure-relief design prevents fluid trapping and compression between the opening device and the closing plug during the closing phase. 

3.The inner seats which are made of the nitrile rubber/aluminum material and the anti-rotation structure are easily drillable.

4.With pumping-down plug,it is used in the operation of continuous cementing. 

 

 

 

 

  Main Parameters: