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Sight Glasses / Sight Flow Indicators

Douglas Italia sight flow indicators are designed to give maximum visibility during inspection of gas or liquid flowing in the pipeline. Our sight flow indicators are available in a wide range of materials including bronze, carbon steel, stainless, alloy steel as standard with end connections and pressure ratings suitable for all applications. We also are able to supply various internal flow indciators based on our customers requirements i.e.flappers, balls, spinners etc.

• Sizes: 1/2" to 12" [15mm to 300mm]
• Ends: SW, THRD, Flanged (ANSI/DIN)
• Class: up to  600 psig
• Tempered / Borosilicate Glasses
• Internal Indicators: Flappers, Balls, Chains, Spinners
• Materials: Carbon steel, stainless steel and alloy steel
• Model: S158, S159, S160, S300, S150

DOUGLAS ITALIA Technologies

DOUGLAS ITALIA* steam trap and strainer technologies offers a complete line of steam traps to meet process applications around the world.

• Thermodynamic
• Thermostatic
  • Balanced pressure
  • Bimetallic
• Inverted bucket
• Ball float

DOUGLAS ITALIA technologies include

• Steam distribution manifolds
• Condensate recovery manifolds
• Steam trap stations
• Sight glasses