1.The typical KF or NW assembly consists of two identical flanges, a center-ring,  and an alu-minum clamp with a wingnut fastener frequently connect and disconnect without tools.

2.The vacuum seal is effected by uniform application of pressure by the clamp on 15° surface of the flange.

3.The mating flange surfaces compress an O'ring ( held in place by metal centering ring ) to generate a seal.

Specifications:

Blanks                   : 304 S.S. (Other material available upon request)

Flanges                 : 304 S.S. (Other material available upon request)

Fittings                : 304 S.S. (Other material available upon request)

Clamp                   : Aluminum

O'ring material         : Viton  or  NBR

Temperature Range : 150°C ( Viton ) 80°C ( NBR )

Vacuum Rate               :10-8 torr

Large or special size available upon request.