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APPLIATIONS
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 It is
used to adjust the air door,baffle plate and valve in ˙˙˙industriaes as
power,petrochemical industry,metallurgy. |
| It can
produce ratio regulation and quick-open and quick-˙˙˙˙˙close two-position
actions.(on-off valve). |
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FEATURES
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| ZSLD-AS SERIES PNEUMATIC LONG STROKE ACTUATORS |
Keep the
position when signal,power or air supply fail in˙˙ ˙˙operation. |
| Act as
protective cover against rain and frost in advdrse˙˙ ˙˙circumstances. |
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Equipped
wih limit switch and valve position feefback˙˙˙˙ ˙˙device. |
| Eacy to
adjust and maintain large torque reservation. |
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Three-cutting Protection Device
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| Actuation
time:<1 second |
| Normal(impedance300¦¸),three
failure self-locking(inhiˇÜ˙˙˙˙˙500¦¸) |
| ˙˙Blocking effect:The valve position should be nomore than
10% ˙˙of whole stroke every hour,and signal failure |
|
protective contact rating is 27V.DC,5Aˇ˘220V.AC,2A |
| ZSLD SERIES PNEUMATIC LONG STROKE ACTUATORS |
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Performance Characteristice
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Adjustable range of or igin point switch:0ˇ×20ˇăˇ˘0ˇ×70ˇă,Button capacity:220V,5A
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Air supply failure seif-lock
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Power failuer self-lock
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Signal failure self-lock
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<0.38MPa
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>0.45MPa
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No voltage
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Normal voltage
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No current signal
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>1/4mA
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Block
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Open
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Block
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Open
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Block
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Open
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