Product features：
Introduction of stainless steel internal thread sight glass.
The internal threaded straight-through mirror is a main style in the straight-through mirror. The biggest difference from the conventional straight-through mirror is the different connection method. The internal threaded straight-through mirror is generally connected with a 55-degree taper thread and an NPT thread. According to the internal structure It can be divided into internally threaded float mirror, internally threaded swing plate mirror, and internally threaded impeller mirror.
The stainless steel internal thread sight glass is suitable for observing the liquid flow in liquid pipelines such as liquid discharge or backflow before receiving the tank, and cooling water. Ensuring the safety of production and the quality of products is an indispensable accessory on the pipeline.
The main parameters of stainless steel internal thread mirror
Valve body material: There are many kinds of stainless steel 304, 304L316, 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.
Product picture：
