ELGi Intake Valve Kit Replacement – B009401070007

The ELGi B009401070007 Intake Valve Kit is a compressor service component used to control the flow of atmospheric air entering the compressor’s airend. ELGi documentation lists this part as an INTAKE VALVE KIT, while parts suppliers identify it for ELGi F2 / HAKG50 and EG11–EG22 applications.

Working Process

The B009401070007 intake valve kit controls the amount of air entering the rotary screw compressor. During compressor operation, atmospheric air first reaches the compressor inlet system. The intake valve then regulates this incoming airflow according to the compressor’s operating condition and demand.

When compressed-air demand increases, the intake valve opens to allow a greater quantity of atmospheric air into the airend. The screw rotors then compress this incoming air and deliver compressed air to the downstream system.

When demand decreases or the compressor reaches its required pressure, the control system changes the position of the intake valve. The valve restricts or closes the inlet airflow, helping the compressor operate in its unloaded or controlled operating condition. This regulation prevents unnecessary air intake and helps support efficient compressor operation.

The intake valve also helps maintain proper suction control and prevents unwanted airflow behavior during compressor unloading and starting sequences. A properly functioning valve provides controlled airflow and helps the compressor respond correctly to changes in compressed-air demand.

Application & Compatibility

ELGi’s service documentation lists B009401070007 as an intake valve kit for EG11, EG15, EG18 and EG22 compressor applications, with the kit included in scheduled maintenance parts.

The part is also listed as an F2 HAKG50 Intake Valve Kit by compressor-parts distributors.

ELGi documentation identifies the intake valve kit as an 8,000-hour service item for relevant compressor applications.

Key Benefits

• Controls atmospheric air entering the compressor.
• Supports proper compressor loading and unloading.
• Helps regulate airflow according to air demand.
• Supports efficient rotary screw compressor operation.
• Helps maintain stable compressor performance.
• Helps prevent unwanted inlet airflow during unloading.
• Suitable for scheduled compressor maintenance.
• Helps restore intake-valve performance when components become worn.
• Designed for compatible ELGi screw air compressors.

Maintenance Importance

A worn or damaged intake valve can cause air leakage, incorrect loading/unloading, unstable compressor operation and reduced efficiency. During scheduled maintenance, the valve assembly should be inspected for wear, contamination, damaged sealing surfaces and correct movement.

Replacing the intake valve components with the correct B009401070007 kit helps restore the intended inlet-air control and supports reliable compressor performance.

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