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Model 3520/3540 Glass Liquid Level Gauge
Brand: Mallard Control
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 form bar, forged steel covers, alloy steel bolts and nuts, and tempered glass.
The Model 3520 / 3540 is available in a variety of materials to meet specific corrosion conditions.
Features- Quality Materials - Tempered borosilicate glass conforms to BS3463, JIS B8211, Din 7080, and DIN 7081. All parts are ASTM grade and listed in ANSI 31.3
- Quality Assurance Testing - All gauges are hydrostatically tested to 1.5 times the rated pressure at 100° F (38° C)
- No-Leak Design - Recessed gasket seat in chamber and cover prevents leaks often caused by shifting gaskets
- Liquid-Gas or Liquid-Liquid Interface Applications - Available in either reflex or transparent styles to satisfy all application requirements
- NACE Compatible - Wetted parts conform to NACE MR-01-75 specifications for sour gas service
- Marine Option - 316 SST bolts and nuts plus three-coat paint system, for optimal protection against corrosive environments
Specifications
Brand
Enclosure, Body Material
- Carbon Steel
Materials of Construction
- Liquid Chamber: 316L Stainless Steel
- Liquid Chamber: Brass
- Liquid Chamber: Carbon Steel
- Liquid Chamber: Monel
NACE & NIST
- NACE MR-0175
NPT Connection
- 1/2” NPT
- 3/4” NPT