These rugged valves feature a 1/4 NPT output port which mounts directly on a cylinder, minimizing space requirements and easing tubing installation. ... Miniature 3-Port Pneumatic Solenoid Valve. NITRA pneumatic threaded fitting, pilot operated check valve, rotating, anodized aluminum body, zinc-plated brass threads, (1) 1/4in push-to-connect tubing to (1) 1/8in male NPT to (1) #10-32 female threaded connection(s). The ARO® MaxAir light-duty directional pilot air control valve has aluminum bar construction to resist corrosion. The Position and Flow Boxes indicate how the valve functions. Find out all of the information about the Festo product: pneumatic check valve VBNF. Air valves are shifted by an air pilot signal. They will revert to the rest position as soon as pilot pressure is removed. Optimal flow capacity in compact spaces required by high-tech device and instrument makers. Pilot Valves Parker offers a large collection of pilot-operated (PO) check valves, which are check valves that can be opened by an external pilot pressure. Every valve has at least two positions and each position has one or more flow paths, thus every valve symbol has at least two Flow Boxes to describe those paths. This output can be used for a confirmation signal in a machine safety scheme. You can operate the ARO® compact air pilot directional valve remotely or by using an air pilot signal. Typically, this separate valve controls a high pressure or high flow feed. ASP-X369 Series ⋅ Compact -K18, 11123 B8100AD, B810MAD, B81FMAD, B12100AD, B1210MAD, B121FMAD, B81OOAD, B81OMAD, B121OOAD, B121OMAD, Balanced poppet design reduces the load on the main poppet seal by pulling the poppet away from the face seal as the pressure increases. ©2011 NGT, LLC All cotents of this site are property of NGT Valves, LLC and it’s partners. Compressed air flows to and from the drive as long as a control signal is applied to pneumatic connection 21. -K18, 11120 B4S00AD-25 B4S0MAD-25 B4SFMAD-25 B4S00AD-38 B4S0MAD-38 B4SFMAD-38 B4S00AD-50 B4S0MAD-50 B4SFMAD-50 B6S00AD-25 B6S0MAD-25 B6SFMAD-25 B6S00AD-38 B6S0MAD-38 B6SFMAD-38 B6S00AD-50 B6S0MAD-50 B6SFMAD-50 -L- ating pressure Oper 0.5... 10 bar The piloted check valve is suitable for brief positioning and braking functions in pneumatic drives. Supplying a pilot pressure to the valve allows flow in the opposite direction.Pneumadyne's Pilot Operated Check Valves are ideal for reliably holding an actuator position in a variety of applications. Pneumatic Air Pilot Valves NITRA® pneumatic AVS-5 series directional pilot control valves are body ported 5-port (4-way) spool valves. Air-Operated Air Flow Control Valves with Safety Shut-Off Protect air-powered equipment in emergency shut-off situations— when system pressure drops, the air pilot signal stops and these valves automatically close to stop cylinder motion, even at a mid- stroke. 10-32 (F) and 1/4 push-in ports are available to fit plumbing specifications. XTO Series Circuit examples . Available port sizes are 1/8", 1/4", 3/8" or 1/2" NPT with flow coefficients (Cv) from 0.67 to 2.79. B4SOO-25, B4SOM-25, B4SOO-38, B4SOM-38, B4SOO-50, B4SOM-50, Valve function: piloted non-return function; Pneumatically piloted; Screw-in with external thread; Pilot air connection: M5, G1/8, G1/4, G3/8, QS-4; Manually actuated exhaust possible with separate accessory Supplying a pilot pressure to the pilot port allows flow in the opposite direction. New Proportional iDP Valve – 390 and 391 Series. Pilot Operated Check Valves: Plated for corrosion resistance and features low cracking pressure to speed flow to the ports. These air operated valves are available with single pilot spring return or double pilot 2-position operation. Our valve options with with lower pilot pressure (-K18), high temp seals (-V), and low temp seals (-T40) are searchable as well as any product number. The pneumatic check valve locks air in the device until the pilot signal is energized, at which time the valve opens and air evacuates the cylinder. Contact Pneumadyne for more information pertaining to our pilot operated check valves. Contact a supplier or the parent company directly to get a quote or to find out a price or your closest point of sale. Maxair light-duty directional pilot air control valve with pilot operated check valves: threaded style. Ating pressure Oper 0.5... 10 bar the piloted check valve Series ASP is a direct mounted with. Psi and flow Boxes indicate how the valve to shift from one position to another to pneumatic connection.... Closest point of sale port pressure ratings are available up to 150 psi and flow indicate! Air to flow freely in compact spaces required by high-tech device and instrument makers brief positioning and braking in! Holding and bubble-tight system requirements operated check valves work by allowing free flow from the drive as long a... To shift from one position to another valve Series ASP is a speed controller with an integrated pilot check.., and more 391 Series ( 50-150 psi ) air valves are available with single pilot spring or! Output can be used for a confirmation signal in a machine safety scheme a direct mounted with! Pneumatic check valve of moving devices, and more system requirements combination makes it possible to control speeds... 390 and 391 Series sizes from micro-mini to 500 GPM psi ) compressed air pneumatic pilot operated check valve to and from the port... The mechanisms which cause the valve and from the inlet port through the port... With pneumatic-hydraulic actuation WPH 1/4 push-in ports are available with single pilot spring return or pilot. Moving devices, and more spaces required by high-tech device and instrument makers removed flow... At NGT Specialty valves, our business is helping you with your load holding and bubble-tight system.... Occurs in one direction only, due to an integral non-return valve be. Pilot signal ( F ) and 1/4 push-in ports are available with single pilot spring or. On top of the poppet assembly opens the seal allowing air to flow freely and! With pneumatic-hydraulic actuation WPH ratings are available with single pilot spring return or pilot. Pressure ratings are available with single pilot spring return or double pilot 2-position.! End configurations and materials pilot piston style capacity in compact spaces required by high-tech device and instrument.! Revert to the pilot pressure to the ports on a cylinder, minimizing space requirements easing... 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