Norgren V51B517A-A2000 5/2 Way Pneumatic Solenoid Valve

Overview

The Norgren V51B517A-A2000 is a 5/2-way, single-solenoid, spring-return pneumatic directional control valve built on IMI Norgren’s established V50–V53 softseal spool valve platform. It is engineered for high-flow, high-cycle compressed air switching in industrial automation, offering a robust die-cast aluminium body, a G1/4 in-line port configuration, and a flow capacity of 1020 l/min at 2–8 bar operating pressure. The valve actuates on a single 22 mm industrial-standard solenoid coil and returns automatically via internal spring once the coil is de-energized, making it a dependable choice for cylinder actuation, pilot circuits, and process interlocks where fail-safe return position matters.

Seven Star LLC supplies the Norgren V51B517A-A2000 to panel builders, EPC contractors, and maintenance teams across Oman, Muscat, Sohar, Salalah, and the broader GCC as an authorized Norgren partner, backed by genuine IMI Precision Engineering stock, technical datasheets, and application support for process, oil & gas, and manufacturing plants standardizing on Norgren pneumatic platforms.

Measurement and Operating Principle

The V51B517A-A2000 directs compressed air through a softseal spool mechanism housed in a die-cast aluminium alloy body with an NBR-sealed aluminium spool. When the 22 mm solenoid coil is energized, the spool shifts to route supply air from port P to working port A, exhausting port B through R1; when de-energized, an internal spring drives the spool back to its normal position, routing supply to port B and exhausting A through R2. This 5/2-way, single-solenoid, spring-return architecture of the Norgren V51B517A-A2000 gives the valve a defined, repeatable rest state without relying on a second solenoid or external pilot air, which simplifies wiring and control logic in single-acting and double-acting cylinder circuits alike.

Operating on filtered, 40-micron compressed air (lubricated or non-lubricated) between 2 and 8 bar, the valve is rated for an ambient and media temperature range of -5°C to +50°C for solenoid-actuated models, with the coil rated for continuous duty at ±10% voltage tolerance. IP65 protection with a sealed plug allows reliable operation in dusty or washdown-prone industrial environments typical of Gulf process plants.

Engineering Design

The V51 series body is precision die-cast in aluminium alloy, white-painted for corrosion resistance, with an inlet orifice sized at 0.8 mm and a solenoid coil that can be rotated in four 90° positions to suit tight panel or manifold layouts. On the Norgren V51B517A-A2000, the manual override is a push-and-turn plastic actuator that allows technicians to test or manually cycle the valve without energizing the coil — a practical feature during commissioning and troubleshooting on live pneumatic panels.

Mounting flexibility is built into the design: the V51B517A-A2000 can be installed in-line or on a sub-base manifold system for multi-station applications, and it accepts the same 22 mm industrial-standard connector plugs used across the V51–V53 range, simplifying spares management for facilities running mixed valve sizes. The spring-loaded return mechanism, combined with stainless steel internal springs, is designed for sustained high-cycle duty without drift in switching response.

Key Features

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The Norgren V51B517A-A2000 combines a proven softseal spool design with practical field features:

• 5/2-way, single-solenoid, spring-return directional control valve, Norgren V51B517A-A2000
• G1/4 ISO port thread with in-line or sub-base manifold mounting
• Flow capacity of 1020 l/min at 2–8 bar operating pressure
• 22 mm industrial-standard solenoid coil, rated for continuous duty at ±10% voltage tolerance
• Push-and-turn manual override for commissioning and diagnostics without power
• Die-cast aluminium alloy body with NBR/aluminium softseal spool for long service life
• IP65 protection class with sealed electrical plug for harsh industrial environments
• Solenoid coil rotates in four 90° positions for flexible panel installation

Industrial Applications

The Norgren V51B517A-A2000 is widely applied in pneumatic cylinder actuation, packaging machinery, material handling conveyors, and process interlock circuits where a defined spring-return position is required after solenoid de-energization. Its 1020 l/min flow rating and G1/4 port size make it well suited for medium-duty single and double-acting cylinder applications, pilot valve staging, and manifold-mounted multi-station control panels in manufacturing and process facilities.

Across Oman and the GCC, Seven Star LLC supplies this valve as an authorized Norgren partner to oil & gas facilities, desalination plants, cement and manufacturing sites in Muscat, Sohar, and Salalah that require dependable pneumatic switching for skid-mounted equipment, actuator control panels, and automated production lines, along with technical guidance on manifold configuration and coil voltage selection for local electrical standards.

Norgren V51B517A-A2000 Technical Specifications

Request a Quote

Contact Seven Star LLC, your authorized Norgren partner in Oman, for pricing, lead times, and technical support on the V51B517A-A2000 and the full V50–V53 solenoid valve range. Our team assists customers across Muscat, Sohar, Salalah, and the GCC with valve selection, coil voltage matching, and manifold system design for pneumatic control panels — and to confirm current stock of the Norgren V51B517A-A2000 for your project.