Operator's manual User Manual
30 Gas sampling and gas conditioning technology 2-1.1-ME
16.3.2 OPTION PNEUMATIC DRIVE MS1 OR MS3 WHEN USING A 3/2-WAY BALL
VALVE /3VA
1. Measuring and blow back MS-B
2. Measuring and test gas feeding MS-C
Figure 14 Pneumatischer Antrieb für 3/2-Wege Kugelhahn
When placing the order it shall be specified whether the ball valve should be
NC, without control air closed resp. switched to test gas feeding or blow back, or
NO, without control air open and hence switched to measuring.
Standard = NC