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Pneumatic actuators with return springs Elephant PA-SA-85 for food valves WBV3131E-2W-W/T/CH are designed to automate the process of controlling quarter-turn pipeline valves.
| Parameters | Values |
| Type of pneumatic drives | single acting (with return springs) |
| Body material | stainless steel 304 |
| Control pressure, bar | 4 – 7 |
| Control environment |
compressed air:
|
| Ambient air temperature, °C | from -20 to +60 |
| Closing/opening time at 6 bar, sec | 2 / 2 |
| Compressed air connection thread | G1/8” |
| Average service life, years | 10 |
| Average resource, cycles of closing/opening | 500000 |


| Model | Size in mm | |
| Height | D | |
| rod 8 mm | 147 mm | 85 mm |
| rod 10 mm | 147 mm | 85 mm |

| Item No. | Name | Material |
| 1 | Compressed air supply nipple | n/a |
| 2 | Retaining ring | stainless steel 304 |
| 3 | Top cover | stainless steel 304 |
| 4 | Sealing ring | NBR |
| 5 | Sealing ring | NBR |
| 6 | Piston | aluminum alloy 4A11 (with high silicon content - from 4.5 to 6%) |
| 7 | Needle bearing | n/a |
| 8 | Spring | spring steel 65Mn |
| 9 | Spring | spring steel 65Mn |
| 10 | Needle bearing | n/a |
| 11 | Needle bearing | n/a |
| 12 | Transfer ring | stainless steel 304 |
| 13 | Sealing ring | NBR |
| 14 | Needle bearing | n/a |
| 15 | Frame | stainless steel 304 |
| 16 | Muffler | brass H62 |
Ships within 48 hours · Estimated delivery Jun 25 - Jun 30
US$40
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