3-Way Vacuum Ball Valves (T-Type) have the advantage of sharing one vacuum pump between two applications. These ball valves have an NW-KF vacuum flange for connection to the vacuum system, are manually operated, and made of stainless steel.

| Size | A | B | C | 
| KF16 | 110mm | 50mm | 55mm | 
| KF25 | 110mm | 50mm | 55mm | 
| KF40 | 160mm | 68mm | 80mm | 
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![KF Manual Vent Valves [Air Admittance] - Nano Vacuum](http://nanovactech.com/cdn/shop/products/KF_Air_Admittance_Valve.jpg?v=1539228049&width=900) 
  
  
  
