真空隔膜阀用于接通或切断真空（压力）系统管路中的介质流。应用于真空、乳制品、酒业、生物工程、食品、制药、饮料、化妆品及化工领域。
Offer high tolerance for dirty systems at arelatively low cost.
Maximum leak rate of<1 x 10-6mbarls-1
Works best in the pressure range 10,000 - 1x 10-5mbar
Withstands bakeouts to 60° C
Buna-N and Fluorocarbon diaphragm versionsare available
Techniques, such as Finite Element Analysis,are used to optimize the design of these valves, while testing each valve witha helium mass spectrometer ensures it meets stringent specification standards.
NOTE:The KF40 versions are availablefor pipeline mounting only and the smaller sizes can be panel mounted using thetapped holes provided.
Dimensional Drawings
Flange Size | Dim A | Dim B | Dim C | Dim D | Dim E | Thread |
KF10 | 2.79 (Open) | 2.52 (Closed) | 1.34 | 1.65 | 2.36 | 4xM4x8 |
KF16 | 2.79 (Open) | 2.52 (Closed) | 1.34 | 1.65 | 3.15 | 4xM4x8 |
KF25 | 4.84 (Open) | 4.37 (Closed) | 2.01 | 2.64 | 3.94 | 4xM4x12 |
KF40 | 5.12 (Open) | — | — | 4.13 | 5.12 | — |
