Product features:
Introduction of stainless steel internal thread sight glass
Internal thread straight-through sight glass is a main style in straight-through sight glass. The biggest difference from conventional straight-through sight glass is the connection method. Internal thread straight-through sight glass is generally connected with 55-degree taper thread and NPT thread. According to the internal structure It can also be divided into internal thread floating ball sight glass, internal thread swing plate sight glass, internal thread impeller sight glass.
The stainless steel internal thread sight glass is suitable for liquid pipelines such as drainage or backflow before receiving the tank, cooling water, etc. to observe the liquid flow. Ensuring the safety of production and the quality of products is an indispensable accessory on the pipeline.
Main parameters of stainless steel internal thread sight glass
Valve body material: There are many kinds of stainless steel 304, 304L, 316, 316L and so on. Nominal pressure range: 2.5-166 kg/cm.
Working temperature: metal ≤ 180 ℃, allowable sudden change temperature 80 ℃
Nominal diameter: DN15~DN50
The sight glass is made of tempered glass and tempered borosilicate.