Skip to Main Content »

Call our Engineers

Monday – Friday 8:00am – 5:00pm (EST)

Toll Free: 855-FREW-PRO

(855-373-9776)

Your shopping cart is empty

Sight Glasses & Gauge Valves

Sight Glasses & Gauge Valves

2 Item(s)

  1. Mallard Control Model 3500/3510 Gauge Valve

    Mallard Control Model 3500/3510 Gauge Valve

    1/2"-3/4" NPT - 4000 PSI MOP Recommended for use with Mallard Model 3520 liquid level gauges, and is compatible with all armored flat glass liquid level gauges.
  2. Mallard Control Model 3520 Level Gauge

    Mallard Control Model 3520 Level Gauge

    1/2"-3/4" NPT - Top-Bottom Connections Rugged flat glass gauge for liquid level indication. Standard construction includes a solid one-piece chamber machined from bar, forged steel covers, alloys steel bolts and nuts, and tempered glass.

2 Item(s)