Pneumatic High Vacuum Angle Valve Aluminum GDQ-J-KF Bellows Sealed Flapper Valve

The GDQ-J-KF series pneumatic high vacuum angle valve utilizes compressed air to drive a valve plate for opening and closing fluid pathways. Its right-angle configuration and reliable bellows seal ensure stable, long-lasting performance in vacuum systems.

Technical Specifications:

• Valve Type: High Vacuum Angle Valve (Flapper Type)

• Model Designation: GDQ-J-KF Series

• Actuation Method: Pneumatic (Air-to-Open, Spring Return or Double Acting)

• Main Body Material: High-Strength Aluminum Alloy (Anodized Finish)

• Internal Shaft Seal: Stainless Steel Welded Bellows Mechanism

• Flange Interface Type: Standard KF Quick-Release Connection (e.g., KF25, KF40, KF50)

• Valve Configuration: Right Angle / Y-Pattern Corner Design

• Sealing Material: Premium Viton / FKM O-Ring Seals

• Applicable Media: Clean Air, Inert Gases, Non-Corrosive Fluid Streams

• Vacuum Operating Range: Atmospheric Pressure down to 10⁻⁵ Pa

• Maximum Leakage Rate: Under 1.3 × 10⁻⁵ Pa·L/s

• Fluid Operating Temperature: Standard -20°C to +120°C

• Compressed Air Supply: 0.4 MPa to 0.6 MPa

• Air Port Connection: Standard G1/8" or G1/4" Threaded Ports

• Solenoid Voltage Options: 24VDC / 220VAC Signal Control

• Position Feedback: Optional Magnetic Switch / Limit Switch Compatibility

• Opening and Closing Speed: Rapid Quarter-Second Stroke Time

• Service Lifetime: Rated for over 500,000 Clean Operational Cycles

• Flow Direction: Unidirectional or Bi-Directional Sealing Capabilities

• Internal Cleanness: Mechanically Polished and Ultrasonic Cleaned Body

• Application Scope: Vacuum Freeze Drying, Thin-Film Deposition, Semiconductor Tools