ARIS Pneumatic Part-Turn Actuators

ARIS Stellantriebe GmbH

PD/PE

Pneumatic actuators

The ARIS pneumatic part-turn actuators provide a uniform torque in a sleek case that is used both for the double and single acting. The pneumatic actuators are available with a variety of accessories and various options. We supply the drives individually or directly on a fully assembled fitting.

PD/PE actuators (type 15 and higher) feature a bi-directional travel stop which allow a ±10° adjustment in both closing and opening directions. This guarantees a range of adjustment between 70° and 110° of actuator stroke. Travel stops are designed to absorb the maximum rated torque of the actuator and the maximum impact load associated with recommended speed stroke.

To increase piston resistance both travel stops arrest the pistons in their part with the largest mass of material. Adjustment of the CCW and CW rotation is effected by turning the respective left (MAX) and right stop (0°) adjustment screws.

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Details

Features
Single and double-acting pneumatic actuators

Namur VDI/VDE 3845 and ISO 5211 connections on all sizes. No special blocks are required to mount solenoid valves, limit switches or positioners.
The standard angle of rotation is 90Åã. Additional travel rotations of 120°, 135°, 150° and 180° are available. PD/PE 15 and upper sizes feature a travel stop wit ±10° in both open and close directions. Other angles (e.g. 30°) are optional.
The female pinion drive is standard with a double square output drive, and optional with a double-D drive, keyed drive and designs to meet your specific requirements.
Shaft bearings isolate the pinion gear from the housing and support the shaft for high cycle applications.
Ambient temperature: -20 °C to +80 °C (optional -40 °C to +150 °C).
The pinion teeth are engaged for the full length and stroke of the piston.
The pinion height allows manual override without disturbing the indicated positions.
External open/close indicator is standard, available indicators for all rotations.
Pistons incorporate double wear pads to separate the rack from the actuator wall and serve as both guide and wear bearings.
PD/PE series pistons feature a keyway as anti-blowout system.
All internal and external components are treated to increase corrosion resistance.
Epoxy coated special steel springs are pre-loaded.
The stainless steel end cap fasteners are extra long to allow for spring relaxation (PE only).
Air pressure operation from 2 to 10 bar (40–150 PSI). Water, nitrogen and compatible hydraulic fluids may also be used to power the actuator.
All external fasteners are corrosion resistant stainless steel.
All units are permanently lubricated at the factory with non-silicone grease.
All units are externally stamped with a progressive traceable serial number.
100% of all units are factory pressure leak tested.

Characteristics
PD/PE

Housing anodized aluminum
Connections acc. DIN/ISO/NAMUR
Settable travel stops
Pre-stressed protected springs
Position indicator
SIL2 approved

Specifications PD/PE pneumatic actuator
PD/PE
Pinion	Electroless nickel coated carbon steel (stainless steel optional), blow-out proof
Position indicator	Technopolymer housing
Piston	Anodized or powder-coated
End caps	Epoxy powder-coated
Bearing pads	Technopolymer, large contact area, long life resistance.
Housing	Extruded aluminium housing
Sealings	Temperature range from -20 °C to +80 °C (-10 °F to +176 °F) with standard Buna-N seals. Higher temperature with optional Viton seals and technopolymer piston guides and bearings: 120 °C (250 °F) continuous and 150 °C (300 °F) cyclic. Lower temperatures with silicone seals: -50 °C (-55 °F).