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Pneumatic Right Angle Poppet Valves

Right angle bellowless poppet valves are now available in sizes from 3/8 thru 1-1/2 inches (9.53-38.1mm). These valves are typically used for applications with large differential pressures, extremely high cycle rates or “dirty” processes that cause frequent bellows failures. Poppet shafts are sealed with double O-rings. Heater jackets and other port and flange configurations are available on request. 
◾Nominal Port ODs: 3/8 to 1-1/2 inches (10 to 38mm)
◾Materials
    ◾Body: Electropolished 304 stainless steel
    ◾Bonnet seal: FKM
    ◾Poppet seal: FKM 
◾Other O-ring compounds available
◾Actuation: Normally closed
◾3/8 to 11/2 inch (10 to 38mm) ODs: Air-to-open, spring-to-close
◾Operating pressure: 60 to 80 psig (4-5.5 bar)
◾Differential pressure
    ◾Port side: Maximum 100 psig (7 bar)
    ◾Poppet: Maximum 6psi (0.4 bar) differential across the valve seat.
◾Maximum temperature with FKM seals:
    ◾Sustained: <150°C
    ◾Intermittent: <204°C
◾Vacuum range: >1x 10-9 mbar - High Vacuum
◾Options: Fittings, O-rings, air solenoids, micro-switches and actuators.  
Our poppet valves are fully opening for high conductance and to prevent bellows contamination while the valve is in the open position, reducing particle contamination when the valve is cycled. Die-formed, 304 stainless steel bodies eliminate sharp inside corners and improve conductance. The valves are electropolished for lower outgassing and better corrosion resistance. The welded bellows are made from AM-350 stainless steel to provide excellent corrosion resistance and flexibility. They are designed with additional segments to provide extended life. 

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