KF Valves

Specifications
  • Body: 304 S.S. (Other material available upon request)
  • Poppet: 304 S.S. (Other material available upon request)
  • Bellows: Welded AM-350 (option)
  • Seal: Viton O’ring
  • Leak rate: 2x10-9 std.cc./second
  • Pressure range: 1x10-9 torr to 760 torr Viton seal bonnet
  • Maximum pressure before opening: 1.2 Bar
  • Cycles until service: 16 to 50 ~ 1,000,00
  • Bake-out limitation: 150°C Viton seal bonnet
  • Larger or special size available upon request
Application

KF models are designed for high vacuum applications where vacuum pressure approximate 10-9 torr and bake-out temperature do not exceed 150°C. The standard international KF configurations are used in areas requiring an easily mountable and demountable flange type seal.

Port Connections: KF Flange
Part# O.D. A B C D
VC-AV-KF16M 0.75 2.15 5.41 6.15 2.25
VC-AV-KF25M 1.00 2.03 5.12 5.85 2.25
VC-AV-KF40M 1.50 2.40 6.43 7.65 3.00
VC-AV-KF50M 2.00 3.40 8.14 9.91 3.50
KF/ISO Ball Valve (full port)
KF-ISO Ball Valve (full port)
Part# Flange Size Price
VC-BV-KF16-2FP 3/4 $225.00
VC-BV-KF25-2FP 1 $350.00
VC-BV-KF40-2FP 1 1/2 $475.00
VC-BV-KF50-2FP 2 $565.00
VC-BV-IS80-2FP 3 $1,150.00
VC-BV-IS100-2FP 4 $1,875.00
*Reduced port available upon request.
*All measurements in inches unless otherwise noted.