Model: A57K
The Type 57 TA is a pneumatic actuated butterfly valve with a lightweight metal actuator. It installs between flanges in the wafer style from DN40 to DN350 and has a triple seal system and an anti over-compression seal system. It is available in double acting, air to open and air to close versions.
| Actuation | Pneumatic: double acting (DA), air to open (AO, spring to close / fail safe close), air to close (AC, spring to open / fail safe open) |
| Nominal Size | DN40, 50, 65, 80, 100, 125, 150, 200, 250, 300, 350 |
| Body / Disc Material | Body PVC-U / disc PVC-U, body PVC-U / disc PP, body PP / disc PP, body PVDF / disc PVDF (body not in contact with media) |
| Seat Material | EPDM, FKM |
| Connection | Wafer (standard: DIN; options: ANSI, JIS) |
| Nominal Pressure | PN10 or PN7.5 |
| Actuator | Lightweight metal actuator, position indicator, stopper for fully closed position, NAMUR air connection |
| Sealing System | Triple seal system, anti over-compression seal system |
| Options | Lubricant-free wetted parts, stem materials, ANSI and JIS standards |
| Actuator Model (Double Acting) | TA2A-050D (40, 50mm), TA2A-063D (65, 80mm), TA2A-080D (100mm), TA2A-100D (125, 150mm), TA2A-125D (200mm), TA2A-160D (250, 300mm), TA-200D (350mm) |
| Actuator Model (Air to Open / Air to Close) | TA2A-050R (40, 50mm), TA2A-063R (65, 80mm), TA2A-080R (100mm), TA2A-100R2 (125, 150mm), TA2A-125R2 (200mm), TA2A-160R2 (250, 300mm), TA-200R (350mm) |