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Air Knife Coupling Kit

Air Knife Coupling Kit

The Supreme Air Products™ Air Knife Coupling Kit is the engineered solution for creating a continuous, uninterrupted air curtain across large scale drying or cooling lines. When your application requires a coverage width beyond our standard stock lengths, the coupling kit allows you to join two or more Air Knives end-to-end with perfect alignment. This eliminates the “dead spots” or pressure drops that typically occur when placing individual knives side-by-side, ensuring a seamless, high-velocity sheet of air that spans the entire width of your conveyor or production web.

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Technical Specifications

This kit is designed for a precision fit, maintaining the structural integrity and airflow performance of the combined units.
Specification Details
Material
Available in Aluminum or 304 Stainless Steel (Matches Air Knife)
Connection Type
Precision-machined coupling plate with Stainless Screws
Mounting Hardware
High-strength Stainless Steel socket head screws included
Airflow Gap
Zero (Provides a 100% continuous air curtain)
Compatibility
All Supreme Air Products Supreme and Regular Air Knives

Key Features & Benefits

  • Seamless Air Curtain: By mechanically locking the air knives together, the kit ensures that the air discharge is uniform across the entire length, which is critical for preventing streaks in coating or drying applications.
  • Rigid Alignment: The coupling plates are machined to exacting tolerances, preventing the knives from twisting or bowing under high pressure (80–100 PSIG), which maintains a consistent 0.002″ (0.05mm) air gap.
  • Modular Versatility: This system allows you to build custom lengths (e.g., coupling two 24″ knives to create a 48″ curtain) without the lead times or costs associated with custom-manufactured single-piece units.
  • Leak-Proof Seal: Includes high-quality sealing components to prevent air loss at the junction point, ensuring maximum CFM efficiency and energy savings.
  • Simple Installation: Designed for fast field assembly; no drilling or specialized tools are required to create a rock-solid connection.

Installation Pro-Tip

For the best results with long, coupled air knife systems:

  • Plumb for Performance: For lengths exceeding 24″ (610mm), we recommend supplying compressed air to both ends of the coupled assembly to ensure even pressure distribution across the entire length.
  • Support Brackets: While the coupling kit provides high rigidity, ensure that each individual air knife section is supported by a mounting bracket to reduce vibration on very long spans.