Prisma air actuator with Stainless Steel housing

SKU: PRSD

Overview

Pneumatic valve actuator, quarter turn
Brand: Prisma
Rack and pinion design
Blow-out proof pinion
Housing: Stainless steel
Ends: Stainless steel
Pinion: ENP steel
Pistons: Plastic
Seals: NBR

Function

Driven by dry, filtered compressed air
Min/ max air pressure: 2bar/ 8bar
Min/ max working temperature: -20C to +80C
Air to open, air to close (double acting)
Can be configured reverse acting

Sizing Criteria

Torque output dependant upon air supply pressure.
Allow a safety factor when sizing.
Valve torque increases when idle for long periods.
Valve torque increases in dry duty applications.

Description

PRISMA pneumatic actuator with cast stainless steel housing, rack and pinion design. External stroke adjustment. Driven by compressed air with air to open, air to close double acting function or spring to close, spring acting function. Conforms to ISO5211 for mounting of valves, and Namur plus VDI-VDE3845 for mounting of solenoid valves, limit switch boxes and positioners. CE marked. ATEX Zone I & II certified, SIL 2 & 3 rated. Buy PRISMA actuators and actuated valves online at AVS.

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