STAGE CEMENTER
MODEL YFZ-A
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.