Product description
VA pneumatic diaphragm actuator drive control valve, it can change the change of gas signal conditioning instrument into the push rod displacement, pneumatic diaphragm actuator has two structural forms of action and reaction is, a membrane chamber pressure increases is the role of implementing agencies putting downward movement, while the reverse actuator is putting upward movement.
The old VA pneumatic diaphragm actuator is an actuator used most widely used. Has the advantages of simple structure, reliable operation, convenient repair, low price etc.. It is usually accepted standard signals of 20 ~ 100KPA pressure, with a locator, the highest pressure is 250kPa, the stroke specifications are 10, 16, 25, 40, 60 and 100 six.
Actuator action form:
Effect of form
Model
Positive effect of va1d, va2d, va3d, va4d, va5d
The effect of va1r, va2r, va3r, va4r, va5r
Material: carbon steel diaphragm membrane cover chloroprene rubber clip nylon rod stainless steel stent HT200
Spring range 0.02 ~ 0.100.04 ~ 0.12mpa, 0.04 ~ 0.200.08 ~ 0.24Mpa
Gas pressure of 0.14 or 0.26mpa (0.28mpa)
The actuators are divided into two types, reaction.
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