GE Oil & Gas Technical Specifications 05/2013 Masoneilan* Valves 87/88 Pneumatic Multi-Spring Diaphragm Actuators Actuator air action can be changed in the field for increased flexibility and reduced inventory.
Numbering System 1st 2nd 8 Actuator Type 87 Air to Close 88 Air to Open Direct: Air to Extend Stem Type 87 Handwheel Reverse: Air to Retract Stem Type 88 Actuator Size 6 2 | GE Oil & Gas Maximum Travel Equivalent Air Supply Inches (mm) psi (bar) Number of Turns 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.
Specifications Bench ranges available: 3-15, 6-30, 11-23, 21-45 for all actuator sizes Actuator Size Diaphragm Effective Area Stem Travel Max Supply sq. in. sq. cm. (inches) mm (psi) (bar 6 60 387 0.8 20 60 4.1 10 100 645 0.8 / 1.5 20 / 38 60 4.1 16 160 1032 0.8 / 1.5 / 2.0 / 2.5 20 / 38 / 50 / 63 60 4.1 23 230 1484 0.8 / 1.5 / 2.0 / 2.5 20 / 38 / 50 / 63 60 4.
Materials Size 6 Actuator Size 10 Actuator with Optional Handwheel Size 16 Actuator Air to Close (Model 87) Size 16 Actuator Air to Open (Model 88) 4 | GE Oil & Gas
Materials Model 87 - Down Stop Optional Adjustable Limit Stop Model 87 - Up Stop Optional Adjustable Limit Stop Model 88 - Down Stop Optional Adjustable Limit Stop Model 88 - Up Stop Optional Adjustable Limit Stop Size 23 Actuator with Optional Handwheel CR8788 - 87/88 Pneumatic Multi-Spring Diaphragm Actuators 5
Materials Parts Reference for Actuator Sizes 6,10,16 and 23 Ref No. Description Material Ref No.
Dimensions and Weights (U.S.) XX D YY C Shown with optional Handwheel Dimensions and Weights Weights (lbs.) Actuator Dimensions (inches) Actuator Size A B (Model 88) C Standard D w/Handwheel 6 11.50 15.54 (17.52) 10.00 9.00 45 60 10 14.50 19.58 (21.54) 10.90 12.00 85 105 16 18.75 28.22 (30.79) 14.00 18.00 210 245 23 21.63 30.71 (33.27) 16.00 18.
Dimensions and Weights (Metric) XX D YY C Shown with optional Handwheel Dimensions and Weights Actuator Size Weights (kg) Actuator Dimensions (mm) A B (Model 88) C D Standard w/Handwheel 6 302 395 (445) 254 229 20 27 10 373 497 (547) 277 305 39 48 16 476 717 (782) 356 457 95 111 23 549 780 (845) 406 457 120 145 Actuator Removal Clearance = 127 MM Limit Stops (mm) Up Stop Size Center of Gravity (mm) Without Handwheel Size X Y 6 5 248 Model Overa
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