Standard Butterfly Valve
Click for exploded view
  • Vacuum range: 1 x 10-8  Torr
  • Body and disk material:   316L Stainless Steel
  • Seat material:  Silicon
  • Op. Temperature:  -55℃ to 225℃

Manual Butterfly Valve

NOM. Size ISO Ref A B C D E F G
3/4" KF16 2.87 2.64 0.87 1.18 4.61 2.83 3.07
1" KF25 2.87 2.64 0.87 1.57 4.61 2.83 3.07
1-1/2" KF40 3.38 2.64 0.87 2.17 4.61 2.83 3.07
2" KF50 3.57 2.99 0.87 2.95 4.49 -- 3.90
* Weld end port option available
* Seat available in FKM and EPDM
* Subject to change without notice
Throttling Butterfly Valve

Quick action with a quarter turn to go from fully open to fully close with positive lock. Butterfly valve functions both as shut-off and throttling. All wetted area are made of stainless steel. The knob is made of aluminum.

  • Vacuum range: 1 x 10-8  mbar to 1.2 bar
  • Op. temperature: +10℃ to +150℃
  • Closing/Opening time: 0.3s
  • Leak Test: 1 x 10-9  mbar l/s
  • Life: 2 million (Unheated and under clean condition)
  • Seal: Viton (Kalrez available)
Features
  • VAT Compatible
  • Low particle generation
  • Any mounting position
  • Wetted Materials: Body, Plate – SS 304 and Alum 6061, Shaft – SS 316L, Plate Screw – SS304
  • Power input: +24 VDC (±10%) @ 0.5V pk-pk max.
  • Power consumption: 80 W max
  • Sensor power supply: Input +24VDC/1500 mA max. Output ± 15 VDC/ 667 mA max
  • Sensor input: Singal input: 0-10 VDC / Ri>100 kΩ ADC Resolution: 0.16 mV Sampling time: 1 ms
  • Digital inputs: ±24 VDC max
  • Digital outputs: Input voltage: 70 VDC or 70 V peak max. Input current: 0.5 ADC or 0.5 A peak max. Breaking Capacity: 10 W max
  • Ambient temperature: 0 ℃ to +50 ℃ max. (<35℃ recommended)
  • Pressure control accuracy: 5 mV or 0.1% of setpoint, whichever is greater
  • Position resolution capability: 20000
  • Utilizable valve torque: 2.5 Nm

Throttling Butterfly Valve

NOM. Size ISO Ref A B C D Conductance Min. controllable conductance Max. differential pressure
1.5" KF40 80 89.2 54.9 41.3 80 l/s 0.25 l/s 1,000 mbar
2.0" KF50 90 95.5 74.9 52.3 150 l/s 0.30 l/s 1,000 mbar
2.5" ISO63 130 100 70 63 360 l/s 0.45 l/s 1,000 mbar
3.0" ISO80 145 108.1 83 80 850 l/s 0.65 l/s 1,000 mbar
4.0" ISO100 165 118.6 102 100 1,400 l/s 0.85 l/s 800 mbar
6.0" ISO160 225 149.7 153 150 3,800 l/s 1.70 l/s 300 mbar
8.0" ISO200 285 180.3 213 200 7,800 l/s 2.80 l/s 150 mbar
10.0" ISO250 335 205.6 261 250 15,00 l/s 5.00 l/s 100 mbar

* Subject to change without notice