Gauges


 Model 3520 / 3540

The Mallard Glass Liquid Level Gauge is a rugged flat glass gauge for medium-pressure (Model 3520) and high-pressure (Model 3540) applications. Standard construction includes a solid one-piece chamber machined from bar, forged steel covers, alloy steel bolts and nuts, and tempered glass. Available in a variety of materials to meet specific corrosion conditions.
bullet Brochure (PDF)
bullet Install., Oper. and Maint. Instructions (PDF)

 



Model 3500 / 3510

The Model 3500 (rigid-union) and Model 3510 (union-union) Gauge Valves are recommended for use with Mallard Model 3520 / 3540 Glass Liquid Level Gauges and are compatible with all armored flat-glass liquid level gauges. Consistent with Mallard's reputation, the gauge valve is designed and built to the highest standards.
bullet Brochure (PDF)
bullet Install., Oper. and Maint. Instructions (PDF)


 
 
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