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The ICV-40 Intake Valve is a compact, elbow-type intake control valve designed for screw air compressors with a flow capacity of approximately 2.5 m³/min (2500 L/min) and an operating pressure of up to 15 bar. It features a nominal bore of 40 mm and is constructed from lightweight, corrosion-resistant aluminum alloy. The valve offers three flexible control options – Check System, Capacity Modulation System, and On/Off System – allowing integration with various compressor control logics. An optional solenoid valve from leading brands (ODE, Burkert, Lefoo, or Best) is available. Additionally, the ICV-40 includes an adjustable regulation function that enables fine-tuning of the air receiver pressure during unloaded operation, contributing to improved energy efficiency and system stability. With standardized flange holes (4-Φ9 × Φ104–Φ116) and a 48 mm intake port OD, the ICV-40 serves as a reliable, easy-to-install replacement part for small to medium-sized industrial screw compressors.
Technical Specifications
Nominal bore: 40 mm
Operating pressure: ≤15 bar
Recommended maximum flow rate: approx. 2.5 m³/min (2500 L/min)
Flange holes: 4-Φ9 × Φ104～Φ116
Intake port outer diameter: 48 mm
Control system: ① Check System, ② Capacity Modulation System, ③ On/Off System
Solenoid valve (optional): ODE / Burkert / Lefoo / Best
Regulation function: Adjustable air receiver pressure during unloaded operation
Housing material: Aluminum alloy (Aluminum)
Product features
With a recommended max flow rate of 2.5 m³/min and a nominal bore of 40 mm, this valve is perfectly sized for small to medium screw air compressors (typically 15–22 kW), ensuring efficient air intake without over‑sizing.
Rated for an operating pressure of ≤15 bar, the ICV-40 delivers reliable performance in standard industrial compressed air systems, providing a safe and durable solution for daily operation.
The valve supports three control modes to suit different compressor designs:
Check System – simple non‑return function
Capacity Modulation System – stepless capacity control for energy savings
On/Off System – basic load/unload control (ideal for “without blow‑down valve” versions)
During unloaded operation, the air receiver pressure can be adjusted, allowing fine‑tuning of system behavior to reduce energy waste and improve overall compressor efficiency.
Made of aluminum alloy, the housing is lightweight, corrosion‑resistant, and heat‑dissipating, ensuring long service life even in continuous operation.
The valve can be fitted with renowned solenoid valve brands – ODE, Burkert, Lefoo, or Best – giving customers the flexibility to choose based on budget and quality requirements.
