Welding Isolation Valve To Pipe; Figure 99 Mounting Safe-Drive On Horizontal Pipe - Vaisala PR-23 Series User Manual

PR-23 Series User Guide IM-EN-PR23-E
8.86 Side view
225
1.34
34
1.93
49
Top view
Floor or
working platform
mm
[in]
1000 - 1500 [39 - 59]
Figure 99 Mounting Safe‑Drive on horizontal pipe
11.4.1 Welding isolation valve to pipe
For the Safe-Drive isolation valve, two holes – 50 mm (2 in) and 25 mm (1 in) – are drilled to
the pipe and the bridge between the holes is then removed. To help you place the holes
correctly, Vaisala delivers with the valve an installation guide sticker.
178