Siemens 7MB3000 Series Operating Instructions Manual page 45

Distinction between sample gas restrictors and clamping screws
The sample gas restrictor and clamping screw differ in the bolt head and at the outlet diameter
at the bottom end.
• Sample gas restrictor: Slotted screw, outlet diameter 0.5 mm
• Clamping screw: Cross-tip screw, outlet diameter 2 mm
①
②
Figure 5-3
Wall-mounted device
Operating Instructions, 07/2023, A5E31930403-AB
Sample gas restrictor
Clamping screw
Sample gas restrictor and clamping screw, sectional drawing and view from above
Combined operation
5.3 Structure of the gas connections
45