304 sight glass

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Scope of application

1. Weak corrosive materials in chemical and petrochemical production, such as: water, ammonia, oil, hydrocarbons, etc.

2. Corrosive materials in chemical production, such as: caustic soda, concentrated dilute sulfuric acid, carbonic acid, acetic acid, ester acid, etc.

3. Low temperature materials in refrigeration, such as: liquid methane, liquid ammonia, liquid oxygen and various refrigerants.

4. Light industrial food, materials with hygiene requirements in pharmaceutical production, such as: beer, beverages, dairy products, grain, pulp and medical supplies, etc.


Features:

technical parameter

Main body material A3 304 304L 316 316L FRP Lining

Window Material Tempered Borosilicate Glass Quartz Glass

Nut Bolt 20# 304 304L 316 316L

Sealing Gasket Nitrile Gasket PTFE Gasket Metal Gasket Graphite Gasket

Sealing surface Raised surface (RF) Flat surface (FF) Concave and convex surface (MFM) Tongue and groove surface (TG)

Flange standard HG GB HGJ JB ANSI JIS DIN BS NF

Manufacturing inspection standard HGJ501-502-86

Working temperature Carbon steel: -30℃ ~ +350℃ Stainless steel: -80℃ ~ +480℃

Glass temperature resistance tempered borosilicate glass: ≤200℃, quartz glass: 1000℃

Glass withstand voltage Toughened borosilicate glass sheet: ≤2.5MPa Quartz glass sheet: ≤2.5MPa

Tempered borosilicate glass cylinder: ≤0.6MPa Quartz glass cylinder: ≤0.6MPa

Abrupt temperature allowed <60℃

Appearance Carbon steel: Anti-corrosion paint Stainless steel: Pickling treatment or anti-corrosion paint


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