W30 Gauge Valves
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.


Features
- 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.
Specifications
- Sight Glass Connection: 1/2″ NPT or Union
- Tank Connection: 1/2″ and 3/4″ Union

Our History
ChampionX has been serving customers for over a century. See our vast company history that dates back to the 1800’s.

Resource Library
Filter through our latest product literature to find case histories, product brochures, news, and more.
Why work with us
7,300+
Employees
60+
Countries
40+
Manufacturing Locations
400+
Scientists and Technologists