Conrader Intake Control Valve (ICV) — Custom Inlet Valve for Rotary Screw Air Compressors

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The Conrader Intake Control Valve (ICV) regulates the volume of free air drawn into a rotary screw air compressor, modulating between fully open, partially closed, and fully closed in response to system demand. An integrated check valve closes to prevent backflow through the air filter. Because every compressor has different inlet requirements, each ICV is built to your OEM specifications rather than sold off the shelf. Key specifications Function: modulating inlet control valve with integrated check valve Configurations: straight-through and 90° designs Seat: PTFE for a resilient seal O-rings: Viton or Buna-N for lubricant compatibility Body: cast aluminum; aluminum, brass, and stainless steel components Modulation pressure: set to your application's requirements Inlet and outlet side ports available Maximum operating pressure: 250 PSI Operating temperature: -35°F to 250°F Flow passages designed for low pressure drop; compact footprint OEM replacements We can replace many popular OEM intake/inlet control valves from Gardner Denver, Atlas Copco, Quincy, Kaishan, Ingersoll Rand (IR), Palatek, and Sullair rotary screw compressors. Build options Inlet and outlet connections sized to your needs Viton or Buna-N O-rings Anodized aluminum components Custom port configurations on request Request a quote An intake control valve is not a one-size-fits-all part — pricing and sizing depend on your compressor. To get an accurate quote, send us: (1) OEM part number, (2) compressor make & model, (3) cracking PSI, (4) thread size and type, (5) any additional side ports, and (6) a photo of the valve if available. Our team will follow up with a quote for your application. The Conrader ICV is a durable, made-to-order inlet control valve for rotary screw air compressors, engineered for low pressure drop, reliable modulation up to 250 PSI, and direct replacement of common Gardner Denver, Atlas Copco, Quincy, Ingersoll Rand, and Sullair valves. Show more