The X107 position indicator stem is designed to provide direct indication of the diaphragm / inner valve position. The indicator stem moves up and down within its protective hexagonal brass housing. Within the housing is clear Pyrex sight glass, which allows viewing from both sides.
Singer main control valves are designed with a separate stem cap that makes installation of the X107 safe and simple to do in the field.
Manually purge trapped air through the brass pet cock
Simple and safe retrofit installation through the main valve stem cap
Stainless steel indicator pin for Longevity
X107 Position Indicator
Select Singer main valve specifications from the main valve section and incorporate the following addendum:
The Position Indicator stem shall be pinned to main valve stem on all valves 2 1/2 in / 65 mm and larger. The Position Indicator stem shall be threaded to main valve stem on all valves 2 in / 50 mm and smaller.
The top of the Position Indicator shall be complete with a brass petcock to allow for easy removal of air from the valve bonnet.
The Valve Position Indicator stem shall be contained within a brass housing and Pyrex sight tube.
No dynamic O-Rings shall be permitted.
X107 Position Indicator
For more information on the X107 main options valve:
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