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FV-FR4 |


*Photo may vary from actual product.


Product Number FV-FR4
Part Number FV-FR4
Product Vacuum-resistant flange 4CH
Details Atmospheric side and vacuum side are isolated.
Product name -

As of May 07, 2021
Specifications and design of the products are subject to change without notice for the product improvement.

Spec Detail

Item Specifications
Product Number FV-FR4
Part Number FV-FR4
Applicable fibers FT-40V, FD-KZ50V, FD-L10V, FT-J9
Leakage 1.0 x 10-10 Pa·m3/s [He] or less (* Measured with a He detector)
Ambient temperature -30 to +120℃ -22 to +248℉
(Same for storage. Up to +40 ℃ +104℉ when humidity is high. However, no dew condensation or icing allowed.)
Ambient humidity 35 to 85% RH (Same for storage)
Tightening torque 9.8 N·m or less (M8 screw)
Tensile strength 20 N or less (Atmospheric / vacuum side fiber joint)
O-ring size V40
Weight 410 g approx.
Material Main unit: Stainless steel (SUS303), Holding bracket: Stainless steel (SUS301),
Fiber: Quartz glass, O-ring: Fluororubber
Recommended thickness of vacuum chamber wall 3.0 mm 0.118 in or more
(Note) : If the vacuum chamber wall is too thick, the FV-FR4 may not be able to connect to the vacuum side fiber. In that case, connect the FV-FR4 to the vacuum side fiber before the installation.

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