The PRATT PV Series Pneumatic Actuator offers reliable, compact valve automation for industrial fluid system applications. This improved rack and pinion actuator combines strong performance, lightweight construction, and flexible configuration options for both double acting and spring return operation. With a compact body design, universal drive shaft solutions, and a multifunction position indicator, the PV pneumatic actuator helps operators achieve dependable valve movement and accurate position visibility.
The PV Series pneumatic actuator supports simplified mounting and integration with common accessories. It conforms to ISO 5211, DIN 3337, and VDI/VDE 3845 standards, which helps streamline installation with solenoids, limit switches, and other actuator accessories. In addition, the design allows field conversion between double acting and spring return models by adding or removing modular spring cartridges.
Available Canada-wide through Westech Industrial, the PRATT PV Series Pneumatic Actuator can support valve automation projects that require performance, corrosion resistance, and long service life. Westech can also assist with actuator selection, service support, valve automation packages, and custom fabrication for application-specific requirements.
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Description
Improved Rack and Pinion Design
The PV pneumatic actuator uses an improved rack and pinion design to deliver reliable, repeatable quarter-turn valve movement. Its piston rack and pinion construction supports compact sizing, symmetrical mounting, high-cycle operation, and fast actuation. This design helps facilities automate valve operation while maintaining a practical footprint in tight or crowded installations. For added flexibility, users can reverse rotation in the field by inverting the pistons.
Compact Double Acting and Spring Return Configuration
The actuator uses the same compact body and end cap design for both double acting and spring return models. As a result, facilities can reduce inventory and simplify actuator planning. The modular spring cartridge design also allows field conversion by adding or removing spring cartridges. These preloaded spring cartridges feature coated springs, which improve corrosion resistance and support safer handling during configuration changes.
Accurate Travel Stop Adjustment
Two independent external travel stop adjustments allow precise adjustment of ±5° in both directions. This feature helps operators align the valve accurately in the open or closed position. Therefore, the PRATT PV Series pneumatic actuator supports better setup control during installation, commissioning, or maintenance. Accurate adjustment also helps maintain dependable valve positioning in demanding fluid system applications.
Durable Materials and Corrosion Protection
The PV Series actuator uses an extruded aluminum body with internal and external corrosion protection. The honed cylinder surface supports longer service life and lowers friction during operation. In addition, internal and external stainless steel fasteners improve long-term corrosion resistance. The actuator also includes selected high-quality bearings and seals that support low friction, high cycle life, and a wide operating temperature range.
Blowout-Resistant Pinion Shaft
The one-piece pinion shaft features bearing guidance and electroless nickel plating. This design improves safety, extends cycle life, and supports efficient actuator operation. High-precision teeth on the piston racks and pinion shaft also promote accurate positioning, low backlash, and maximum engagement. Together, these features help the PV pneumatic actuator deliver reliable operation across a wide range of valve automation needs.
Easy Accessory Mounting
The multifunction position indicator provides clear visual position indication. It also gives users a direct and economical way to mount popular sensors. In addition, the actuator design supports common accessories such as solenoid valves, limit switches, manual overrides, brackets, and couplers. These options help users build practical valve automation packages for different operating requirements.
Quality Manufacturing
Production conforms to ISO 9001-2015, and PRATT tests each actuator at the factory. Each actuator ships individually packed in a protective carton with identification labelling and installation, operation, and maintenance instructions. This quality-focused approach helps support reliable product handling, traceability, and installation readiness.
Applications
The PRATT PV Series Pneumatic Actuator suits industrial valve automation applications that require compact pneumatic operation, reliable cycling, and flexible mounting options. Its double acting and spring return configurations help support a range of open-close control requirements.
Common applications include:
- Pneumatic automation of industrial valves
- Quarter-turn valve actuation
- Double acting valve control
- Spring return valve control
- Valve packages requiring solenoids or limit switches
- Installations requiring manual override options
- Retrofit projects requiring accessory mounting flexibility
- Applications needing compact and lightweight actuator design
- Valve automation projects requiring precise travel stop adjustment
- Fluid system applications requiring reliable actuator performance
Manufacturer info
Pratt Industrial® specializes in the design, engineering, and worldwide distribution of technologically advanced, industrial-use valves and actuators. Henry Pratt Company’s involvement in Pratt Industrial combines the innovative resources of a century old company with the know-how of experts in industrial valve markets.
