| Size Range | 38, 75, 150 & 300 sq in |
| Travel | 3/4 inch to 4 inch |
| Temperature | -20⁰C to 80⁰C |
| Operating Medium | Air and Nitrogen |
| Pneumatic Supply | 4.1 barg (60 psi) for sizes 38, 75 & 150 sq in, 3.4 barg (50 psi) for size 300 sq in |
| Spring Ranges | Various spring range combinations for different sizes |
| Options | Upper and Lower limit stops, Single acting, Field reversible, Rugged construction |
| Manual Override | Top mounted HW for 38 in², Side mounted HW for 75, 150 & 300 in² |
| Fail action | Air Fail Open, Air Fail Close, Air Fail Stay Put |
| Salient Features | Single acting, Field reversible, Easy Installation on Valves, Rugged Construction |