MKS Granville-Phillips 203 Series, Instruction Manual

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Important Precautions
2
Series 203 Variable Leak Valve Installation and Operating Instructions
2.4 Due to the closing torques required, use care when it is necessary to
support the valve by the ports only.
2.5 High temperature bake the Leak valve body only when the Driver
Assembly is removed and the Leak held open with a bake-out clamp.
2.6 Stable ambient temperature is necessary to maintain conductance at
any specific setting.
2.7 Do not increase the counter reading beyond 270 or decrease below the
number at which the Leak seals mass spectrometer leak tight.
Variable Leak Valve Dimensions
Dimensions in
mm
(in.)