Series W30 Gauge valves are recommended for use with WellMark’s Series W20 Visual Level Indicators and are compatible with all industry standard, armored flat-glass liquid level gauges. Plain/Union and Union/Union connections make for easy installation and removal.
- Equipped with stainless steel ball check upstream of the seat to shut off flow in case of Level Indicator glass breakage.
- Indicator Union Connection to allow top and bottom connected Indicators to be rotated to any angle visibility and allows for easy Indicator removal.
- Gauge Valve and drain connections are offset from the vessel connection centerline for easier Indicator glass cleaning.
- Materials meet NACE MR0175 specifications.
- Sight Glass Connection: 1/2″ NPT or Union
- Tank Connection: 1/2″ and 3/4″ Union