OVERVIEW
Bottom arm shut-off valve prevents water leaks during gauge glass changes.
20-604, 20-605: BRONZE EXPANSION TANK GAUGES
Conway, SC •Matthews, NC •Pageland, SC •Customer Service 1-704-841-6000•www.apollovalves.com
Suffix
Number Specification
-00 Standard gauge w/ standard glass & rod
-01 Top only
-02 Bottom only
-03 Standard gauge less glass & rod
-10 For special gauges w/ non-standard glass and rod lengths
OPTIONS
FEATURES
• EPDM standard gauge glass gasket
• Rated: 200 psig @ 400°F, 400 psig @ 100°F (See note!)
• CRN Registered
Part Pipe Glass O.D. Wt./100
Number Size (in.) & Length (lbs.) Wheel Type
20-604-00* 1/2 5/8 x 12 155 ALUMINUM
20-605-00* 1/2 5/8 x 12 175 COMPOSITION
*Automatic model
Note: Service ratings are subject to pressure/temperature ratings of gauge glass and glass gaskets.
* Not for use on boiler systems
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