HSD Air Pressure Plate for ES915 and ES919 Spindles

The HSD Air Pressure Plate is a factory-grade replacement component built for ES915 and ES919 spindle models. Designed to control and stabilize pneumatic pressure, this plate ensures consistent airflow during spindle operation. Constructed from high-strength aluminum and fitted with an integrated push-to-connect fitting, it supports optimal cooling and bearing protection throughout continuous CNC machining cycles. Ideal for maintenance or rebuild applications, this genuine HSD part restores reliable spindle function and prevents uneven airflow or pressure loss in the pneumatic circuit.

• Specifications:
  • Compatible Spindle Models: HSD ES915, ES919
  • Part Number: A6390H0001
  • Connection Type: Push-to-Connect Air Fitting
  • Material / Finish: Anodized Aluminum, Black
  • Dimensions: 5.9″ x 5.5″ (approx.)
  • Mounting Type: Bolt-On (Pre-Drilled)
  • Function: Regulates air pressure and assists in cooling airflow
  • Included Components: Air Plate Assembly only
• Applications:
  • Pneumatic regulation for HSD ES915 / ES919 spindles
  • Replacement part during spindle rebuilds or maintenance cycles
  • Airflow stabilization in high-speed CNC machining environments
• Features & Benefits:
  • Genuine HSD component ensures perfect compatibility and performance
  • Precision-machined housing provides airtight operation
  • Integrated air fitting supports quick pneumatic connection
  • Improves spindle cooling and system reliability