LJ Star Incorporated offers a comprehensive range of process observation equipment: sight glasses, lights, sanitary fittings, and level measurement instruments. The product lines include METAGLAS® safety windows, Lumiglas® explosion-proof lights and cameras, visual flow indicators, sight glasses, sanitary clamps, magnetic level gauges and glass sight windows.
Catalog
Sanitary Sight Glasses
Operators use sight glasses to visually verify process stages, inspect and observe liquid levels. While it may seem low-tech, a sight glass is a highly engineered component, designed to withstand specific levels of pressure, temperature, corrosion resistance, thermal stress, and impact.
MetaClamp Sanitary Sight Glass
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Clamp Connection Assembly
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METAGLAS Borosilicate Glass
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Up to 572°F
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Operating pressures from FV to 230 psi
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Complies with BPE and ASTM standards
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Available sizes from 1/2" to 12"
Metaplex Sanitary Sight Glass
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Clamp Connection Assembly
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Extremely strong and chemically resistant to acids, alkalis (caustics), and alcohols
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Optical-grade polymer
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Temperatures up to 134°C, operating temperatures up to 100°C
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Operating pressures up to 150 PSIG
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Complies with ASME BPE standards
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Available sizes from 1" to 4"
Butt-Weld Sight Glass Assembly Series MV
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Butt Weld Assembly
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Borosilicate or quartz glass
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316L stainless steel
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Temperatures up to 536°F
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Operating pressures up to 150 PSI
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DIN 11851 standard
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Available sizes from 2" to 6"
Industrial Bolt-On Sight Glass Assembly
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Flanged Base ANSI 150 Standard
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Borosilicate or quartz glass
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316 stainless steel or carbon steel
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Temperatures up to 500°F
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PFA coating
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Available sizes from 2" to 8"
Weldable Sight Glass for High Pressure
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Welded Mount
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Borosilicate or quartz glass
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316 stainless steel or carbon steel
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Temperatures up to 572°F
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Up to 235 PSI
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DIN 28120
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Available sizes from 3" to 9"
