FV-FR4 |

*Photo may vary from actual product.

This product has been confirmed that it does not contain the 6 substances specified in EU RoHS Directive 2011/65/EU and the 4 substances specified in 2015/863/EU.

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 April 25, 2024
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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