User manual

Variable Leak Valve User Manual
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1
Instructions for Use
Safety Information 9
General 10
Variable Leak Valve Description 11
The Valve is Shipped in a Closed, Leak-
Tight Condition. 11
Variable Leak Valve Specifications 12
Variable Leak Valve Outline 13
Flange Connection 14
Inlet Gas Connection 14
Use 15
To Establish a New Stop Position 16
To Set Stop Position at any Leak Rate 17
Operating at Low Leak Rates 17
Changes in Leak Rate with Variation in Room
Temperature 18
Bakeout Procedure 18
Bakeout in Open Position 18
Bakeout in Closed Position 19
Operation After Bakeout 19
To Use as a Roughing Valve 19
Adjustment of Handle Position 20
Original Instructions