B49H high pressure high temperature glass tube level indicator

Quartz tube two-color water level meter is a two-color liquid level meter suitable for high temperature and high pressure environment.When the liquid level meter is displayed, the gas and liquid can be divided into two distinct red and green colors, and the interface of the two colors is the position of the liquid level. The observation is very intuitive, and there will be no phenomenon that the vapor in the glass tube will affect the observation results.The valve connecting the container of this level gauge is made of stainless steel or no. 20 steel,It has good mechanical properties of high temperature, high pressure and rust resistance. Quartz glass tube can also be observed normally under high temperature and high pressure.The valve connecting the liquid level gauge to the container is equipped with a self-sealing stainless steel ball. When the glass tube is damaged by accident, the steel ball will be self-sealing to prevent the safety accident of medium spillage and loss of pressure of the container.This type of level gauge is widely used in boiler and other high temperature and high pressure environment of liquid level observation, with high safety factor, easy installation and maintenance, simple maintenance, clear and intuitive measurement results, high temperature and high pressure resistance, with a certain corrosion resistance and other characteristics.
B49H two-color quartz tube level gauge with lamp is specially designed and manufactured for boiler water level gauge measurement.This level gauge is a two-color water level gauge designed based on the principle of light refraction.The level gauge has a red and green light source. When the level gauge is installed on the boiler, water and steam flow into the level gauge through the connecting pipe.According to the principle of light refraction will show that steam is red, water is green results, the red and green interface in the level gauge is the boiler level, red and green display observation intuitive convenience.

Measure ranges	300~3200mm
Working temperature	-20~600ºC
Nominal pressure	PN0~10Mpa
Quartz tube test pressure	≤13MPa
Meter material	carbon steel or SS304
Display	Green for liquid, red for air (don’t need electric power supply for the double color display)
flange standard	DIN，ANSI，JIS
Back light is optional	a, light Emitting Diode: electric power supply: 24VDC. b, fluorescent light tube: power supply: 220VAC

Model selection of Sight Glass Tubular Level Gauge
GZS		Pressure	temperature	Body material	Glass material	C-C distance
Type	C	Natural Color
	X	Bi-color Indicator with Lamp
	A	Bi-color Indicator without Lamp
Pressure		P1	1.0MPa
		P2	2.0MPa
		P4	4.0MPa
		P6	6.0MPa
		P10	10.0MPa
Temperature			T1	<60 ºC
			T2	<100 ºC
			T3	<180 ºC
			T4	<450 ºC
			T5	<600 ºC
Body material				CS	Carbon Steel
				304	Stainless steel 304
				316	Stainless steel 316
				PVC	PVC anticorrosive plastic
				PP	valve, flange PP anticorrosive plastic
				PTFE	Stainless steel lining PTFE
Glass tube material					Ordinary Glass Tube <100ºC
					Transparent Hart PVC anticorrosive plastic tube <60ºC
					Transparent Soft PTFE anticorrosive tube <180ºC
					Quartz glass tube a. <450ºC; b.<600ºC
Center to Center Distance						(mm)