PA206 – PA436
6Pages

Catalog excerpts

ADCA LINEAR PNEUMATIC ACTUATORS PA206, PA281, PA341 and PA436 (140 cm² to 700 cm²) DESCRIPTION PA series pneumatic multi-spring actuators with rolling diaphragm, offering decreased hysterisis and good linearity throughout the operating range. Available in air to close and air to open versions, for modulating and on/off services. MAIN FEATURES Multi-spring compact design. Actuators with rolling diaphragm. High spring thrusts and stroking speeds. Strokes up to 30 mm. Sizes from 140 cm² to 700 cm². Yoke and stem coupling with mounting according to NAMUR (DIN IEC 60534-6-1). Operation temperature range from -20 ºC to 80 ºC. OPTIONS AND ACCESSORIES: Top mounted handwheel. Stroke limiter. Stainless steel construction. Positioners, limit switches, I/P converters, volume boosters, feedback units and others. Actuation of ADCATrol control valves, or others on request. PA206, PA281, PA341 and PA436 – mild steel. PA206i, PA281i, PA341i and PA436i – stainless steel. For other models, please consult IS PV3.70 – PA linear pneumatic actuators. VALSTEAM ADCA We reserve the right to change the design and material of this product without notice.

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ADCA SPRING RANGES AND ACTUATOR THRUSTS ACTUATOR MODEL DIAPHRAGM RATED AREA STROKE (cm²) (mm) SPRING SPRING SPRING FORCE AT FORCE AT QTY. 0 mm RATED TRAVEL (N) TRAVEL (N) ACTUATOR FORCE (N) IN RELATION TO MOTIVE AIR PRESSURE (bar) a) Actuator with 25% additional possible spring compression, allowing setting of 0,4 - 1,2 bar (0,2 - 1 bar) and 0,8 - 2,4 (0,4 - 2 bar) operating ranges. b) Not available in air to close, “stem retracts by spring force” version. ØA A * Depending on valve stem thread. Can be course or fine thread. Other dimensions on request. ** Actuators with spring ranges 1 - 2...

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DIMENSIONS – ACTUATOR WITH TOP MOUNTED HANDWHEEL (mm) MODEL VALSTEAM ADCA We reserve the right to change the design and material of this product without notice.

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Lower actuator flange Yoke columns Upper actuator flange Lower actuator cover Zinc plated steel Zinc plated steel Zinc plated steel Actuator stem * Plain bearing Steel / PTFE Steel / PTFE * Seal ring Diaphragm plate Diaphragm disk Spring guide Spring steel Spring steel Zinc plated steel Zinc plated steel Cover spacer Upper actuator cover Zinc plated steel Zinc plated steel Zinc plated steel Coupling / Travel indicator Zinc plated steel Zinc plated steel * Stem guide Zinc plated steel Zinc plated steel Vent plug Brass; Plastic Brass; Plastic Zinc plated steel; Plastic Zinc plated steel;...

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ADCA ACCESSORIES AIR FILTER REGULATOR SOLENOID VALVE INDUCTIVE LIMIT SWITCH BOX MECHANICAL LIMIT SWITCHES POSITION FEEDBACK UNIT POSITIONERS * PNEUMATIC INTELLIGENT ELECTROPNEUMATIC * Different models are available within each category. VALSTEAM ADCA We reserve the right to change the design and material of this product without notice.

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ADCA ORDERING CODES PA Group designation PA series linear pneumatic actuators Actuator model PA206 (140 cm²) PA436 (700 cm²) Actuator construction Mild steel construction (standard) Stainless steel construction Air to open (stem extends by spring force) Air to close (stem retracts by spring force) Rated stroke Stroke limiter Yoke design and coupling ADCATrol VPC26, V16/2 and V25/2 series (DN 15 to DN 50 – 1/2" to 2") Other ADCATrol valves c) XX Special versions / Extras Full description or additional codes have to be added in case of a non-standard combination E a) Not every spring...

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PA206 – PA436 6Pages

Catalog excerpts

All VALSTEAM ADCA Engineering S.A. catalogs and technical brochures

PA206 – PA436
6Pages