Technical Specifications

Model 37/38 Pneumatic Spring Diaphragm Actuator | 7
Actuator Spud
Actuator Removal Dia. Type G H
Size Clearance A B C D E F Dir. Rev.
Actuator
Side Mounted Handwheels
Direct Actuator
11 5.6 13.00 24.1 16.4 2.25 6A1 9 8.75 ------ ---
13 5.6 15.00 29.6 20.1 2.25 6A2 12 10.88 ------ ------
15 5.6 17.50 35.3 25.4 3.31 6A3 18 15.00 ------ ------
18 5.6 20.75 36.8 26.8 3.31
18 (16") 5.6 20.75 42.1 33.2 3.75 8A 8 ------ 53 53
18 (20") 5.6 20.75 52.0 N/A 3.75 8A 8 ------ N/A 53
24 5.0 27.50 45.5 34.7 3.75 8A 12 ------ 53 58
Dimensions (in.)
Case Mounted Handwheels
*
1
/2" NPT for No. 24 Actuators
Reverse (Type 38)
Air to open
Direct (Type 37)
Air to close
Type 6A
Side Mounted
Type J K
2-11 9.00 9.50
2-13 9.00 9.50
3-15 12.00 12.75
4-18 18.00 12.75
6-18 18.00 15.50
9-11 9.00 13.00
9-13 9.00 16.25
Direct (37) Reverse (38)
Air to close Air to open
Type 8A
Side Mounted
Reverse Actuator
Types 3-15,
4-18, 6-18,
Case Mounted