Type 3254-1 (Fig. 1) · Type 3254 Valve and Type 3271
Actuator with 350 to 2800 cm² actuator area (see Data
Sheets u T 8310‑1, u T 8310‑2, and u T 8310‑3)
– Type 3254-7 · Type 3254 Valve and Type 3277 Pneumatic
Actuator with 350 to 750 cm² diaphragm area for integral
positioner attachment (see u T 8310‑1)