The SRI990 Positioner is for operation of pneumatic valve actuators from control systems and electrical controllers with electric control signals. It is used to reduce the adverse effects of valve friction, for higher thrust and shorter positioning time.
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FOXBORO Electro-Pneumatic Positioner
Origin: USA
Brand: FOXBORO
The SRI990 Positioner is for operation of pneumatic valve actuators from control systems and electrical controllers with electric control signals. It is used to reduce the adverse effects of valve friction, for higher thrust and shorter positioning time.
Features
Independent adjustment of stroke range and zero
Adjustable amplification and damping
Split range up to 3-fold possible
One version for 0 to 20 mA and 4 to 20 mA input
Supply pressure up to 6 bar (90 psig)
Low vibration effect in all directions
Mounting according to IEC 534, part 6 (NAMUR)
Rotation adapter for angles up to 120°
Explosion protection: II 2 G EEx ib/ia IIB/IIC T4/T6 according ATEX or intrinsically safe according to FM and CSA
EMC in accordance with international standards and laws (CE)
Limit switches
Position transmitter
Booster
Connection manifold
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