Rack & Pinion Actuator

The rack and pinion actuator from Flowlink Valves & Controls offers modular design for easy conversion between double-acting and spring-return. Suitable for quarter-turn valves like ball, butterfly, and plug valves, it features a durablc aluminum body resistant to dents, shock, and fatigue. The patented system prevents contamination and stress points, while powder-coated surfaces protect against corrosion. DURASTRIP bearings reduce friction for extended cycle life, and the cobalt zinc-plated steel pinion adds durability. NAMUR mounting and ISO 5211 compatibility ensure flexibility, with large air passages enhancing reliability. The actuator includes bi-directional travel stops, a visual position indicator, and a strong rack and pinion design for longevity. Its nested spring design ensures balanced force and prevents spring failure.

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Technical Specification

Power Source: Pneumatic

Product Type: Pneumatic Rack and Pinion Actuator

Actuation: Quarter-turn

Body material: Anodized Aluminum, Stainless steel (Option)

Certifications: ROHS3, REACH, ATEX, PED and Machinery Directives, SIL3 IP66/67

Control Type: On/Off, Positioning, Modulating, ESD

Valve Type: Ball, butterfly, plug and any other quarter turn application

Operating Temperature: Standard -20°C to +100°C (-4°F to +212°F). Optional high and low temperature options

Torque: 12 sizes; 19 to 3232 Nm (167 to 28500 lbf.in)

Operating Pressure:  up to 8.3 bar / 120 psi

Brands: Hytork, Rotork, Elo-matic, CVS

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