CF4.50" (DN63CF) Plate Nuts Non-Rotatable Plasma is used to increase

Plasma is used to increase the surface energy of many materials with high efficiency

Vacuum leak rate: Typically 1x10-5mmHg (1x10-5mbar-L/sec)

H Grease has exceptional 'stiction' and thermal conduction properties and has gained prestigious approvals from a variety of international organisations

These ball valves have an NW-KF vacuum flange for connection to the vacuum system

They are made of corrosive resistant 304L stainless steel (316L Stainless Steel)

CF4.50" (DN63CF) Plate Nuts Non-Rotatable Plasma is used to increasePlate nuts are for clearance (through hole) CF flanges. They are metal plates with 2 threaded holes, shaped to match the corresponding CF flange's bolt hole patterns and replace the individual nuts. The plate nuts major advantage is, once two bolts are manually started, the plate nut acts as its own backing wrench and washer, the bolts are tightened using one wrench. Material: Stainless Steel Dimensions can be found in product pictures