Specifications

1.YFZ-A type
2.All accessories are non-rotating and made of easily drillable materials.

Features:

1. The internal-closing structure and non-rotating closing sleeve design eliminate the possible damage to the closing sleeve when drilling out accessories.

2. The pressure-relief design eliminates fluid trapping and compression which might occur while opening and closing the side ports.

3. All accessories are non-rotating and made of easily drillable materials.

4. A pump-down opening plug instead of a free-fall opening plug can be used for a continuous two-stage cementing operation.

 

Detail Specification:

Technical specifications and parameters for YFZ-A Stage Cementer
Specification (in)	13 3/8”	10 3/4”	9 5/8”	7 5/8”	7”
Overall length (mm)	1211	1211	1170	1140	1140
Max. O.D (mm)	384	310	282.5	230	208
Min. I.D (mm)	315	225	220.5	174.2	157
Opening Pressure (Mpa)	7Mpa
Closing Pressure (Mpa)	5