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 the medium in the chemical, petroleum, oil refining, food, cosmetics, medicine and other industrial equipment containers. . The operator adjusts or controls the medium according to the conditions displayed by the pressure vessel sight glass, 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 reactors, reaction kettles and other containers need to be equipped with pressure vessel sight glasses to prevent accidents due to overfilling or unbalanced material reactions 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 corrosiveness of the medium, the use pressure and the use temperature of the vessel are correct.
(1) For liquefied gas pressure vessels containing flammable, extremely toxic, and highly hazardous media, high-temperature and high-pressure small-diameter container sight glasses should be used, and protective devices should be provided to prevent leakage.
(2) Low-pressure sight glasses are used for low-pressure vessels, and the caliber can be larger.
(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 sudden change temperature should be used. Such as tempered borosilicate glass, high borosilicate glass, quartz glass.
(4) There is also a choice of pressure vessel sight glasses with light. In the position of the container with insufficient light, according to the specific explosion-proof level, the corresponding explosion-proof light pressure vessel sight can be selected.
For industry:
Stainless steel flange sight glass. It is a kind of stainless steel sight glass used to observe the change of the medium in the container of chemical industry, petroleum, oil refining, food, cosmetics, medicine and other industrial equipment.