Product features：
NB/T47017 pressure vessel sight glass, also known as stainless steel equipment sight glass, stainless steel flange sight glass. It is a stainless steel sight glass used to observe the change of medium in chemical, petroleum, oil refining, food, cosmetic, pharmaceutical and other industrial equipment containers. . The operator adjusts or controls the medium according to the situation displayed by the sight glass of the pressure vessel, so as to ensure that the medium in the vessel is always within the normal range, ensuring the safety of production and the quality of the product.
In addition, liquefied gas storage tanks, tank trucks, gas-liquid phase reactors, reactors and other containers need to be equipped with pressure vessel sight glasses to prevent accidents caused by overfilling or unbalanced material reaction due to overfeeding.
Product details：
Selection of NB/T47017 pressure vessel sight glass:
According to the actual use of the pressure vessel, the appropriate pressure vessel sight glass should be selected accordingly. The main requirements are the corrosiveness of the medium, the operating pressure and operating temperature of the container.
(1) For liquefied gas pressure vessels containing flammable, extremely toxic and highly hazardous media, a small-diameter vessel sight glass with high temperature and high pressure should be used, and there should be protective devices to prevent leakage.
(2) The low-pressure container uses a low-pressure sight glass, and the diameter can be selected in a larger size.
(3) For containers used outdoors in cold areas, or due to the large difference between the medium temperature and the ambient temperature, the window material with a higher abrupt temperature should be selected. Such as tempered borosilicate glass, high borosilicate glass, quartz glass.
(4) There are also options for pressure vessel sight glasses with lights. In the position of the container with insufficient light, according to the specific explosion-proof grade, the corresponding explosion-proof lamp pressure vessel sight glass can be selected.