HG5-1422-81 Anti frost level gaugeDetailed product description：

HG5-1422-81 anti frost level gauge is a liquid level indicator device suitable for low-temperature equipment in industries such as chemical and petroleum. This level gauge is equipped with anti frost fins, so that the liquid level in the body can be clearly observed through the anti frost fins. The liquid level gauge is equipped with needle valves at both ends. When the glass plate is damaged due to an accident, the needle valves can automatically close under the pressure of the container to prevent a large amount of medium from continuing to flow out of the container. The needle valve adopts a long neck structure, which gives the valve a certain insulation performance and reduces the cooling loss of the valve.

Main technical parameters

Nominal length: 580, 920, 1260, 1600, 1940mm
Nominal pressure: 1.6MPa. The connecting flange adopts PN2.5MPa DN25
Nominal pressure: 4.0MPa. The connecting flange adopts PN6.4MPa DN25
The automatic closing pressure of the upper and lower needle valves is ≥ 0.2MPa
Flange standard HG20592~20637-97

Use temperature °C	Main material		Fin height H (mm)	Colored logo
	Material Category	Material Grade
-20~0	Ⅰ	twenty	fifty	gray
-40~21	Ⅱ	16MU	one hundred	purple
-70~41	Ⅲ	09MU2V	one hundred and fifty	Deep Blue
-160~71	Ⅳ	1Cr18Ni9Ti	two hundred	Light blue