Technical Specifications

2 | GE Oil & Gas
Direct: Air to
Extend Stem
Type 87
Reverse: Air to
Retract Stem
Type 88
Numbering System
Handwheel
2nd1st
8
Actuator Type
87 Air to Close
88 Air to Open
Actuator
Size
Maximum Travel Equivalent Air Supply
Number
of Turns
Inches (mm) psi (bar)
6 0.8 20 60 4.1 5
10 1.5 38 60 4.1 9
16 2.5 63 60 4.1 17
23 2.5 63 60 4.1 25