Lzb -4wbF High Accuracy Anti-Corrosion Glass Rotameter

Short Description:

LZB/LZJ series glass rotameter are widely used in chemical industry, petroleum, light industry, medicine, environmental protection, food, measurement, testing and scientific research institutes. They are used to measure the flow rate of single-phase non-pulse fluid (liquid or gas). LZB/( )F/LZJ-( )F series anti-corrosive glass rotameter have a good corrosion resistance, and can be used to measure acid (except hydrofluoric acid), alkali, oxidizer and other corrosive gases or liquid. They are suitable for chemical industry, pharmacy, papermaking, sewage disposal etc.

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Product Description of Glass Rotameter

1. Five hole designof the body

2. Double-stage pressure-reducing structure

3. Metal-to-meta diaphragm seal

4. Body thread: input and output connection 1 / 4NPT (F)

5. Easy to clean internal structure

6. Filter element installed internally

7. Panel mounting and wall mounting available

8.Optional outlet：needle valve，diaphragm valve

Working Principle & Structure

The flowmeter is mainly composed of a piece of taper glass pipe with bigger bottom and smaller top and a floater moving up and down along with the fluid flow(Fig.3).When the fluid flows across the taper pipe from bottom to top, the floater rises under the lift force "S" on the floater due to the fluid dynamic energy and the fluid buoyancy force "A".When the sum of the lift force "S" and the buoyancy force "A" is equal to the floater weight "G", the floater is in equilibrium and stable at a certain height. The
scale on the taper pipe indicates the fluid flow.

The taper pipe of LZB/LZB-( )F flowmeter is a pipe with smooth inner wall

For the flowmeter with the bore larger than DNl5, the floater moves up and down along the guide rod and remains stable ;There are three guiding edges on the inner wall of the taper pipe of LZJ/LZJ-()F flowmeter to keep the floater stable (See Fig.5).The flowmeter with the bore smaller than DNl0 adopts hose connection, is equipped with needle flow control valve;The flowmeter with the bore larger than DN15 adopts flanged connection.

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Technical Data of Glass Rotameter

Outline and installation dimension

DN(mm)	A	B	C	D	E	Connection Type
4	178	204	230	Φ10	38.5×33	Hose
6	178	204	230	Φ10	42×33	Hose
10	178	208	244	Φ12	45×40	Hose
15	Φ95	Φ65	470	Φ15	4-Φ14	Flange
25	Φ115	Φ85	470	Φ25	4-Φ14	Flange
40	Φ145	Φ110	570	Φ40	4-Φ18	Flange
50	Φ160	Φ125	570	Φ50	4-Φ18	Flange
80	Φ185	Φ150	660	Φ80	4-Φ18	Flange
100	Φ205	Φ170	660	Φ100	4-Φ18	Flange

Model and Technical Parameter
DN(mm)	Model	Measuring Range		Length of taper pipe(mm)	Accuracy Degree		Allowed Measuring Fluid State
DN(mm)	Model	Water,20℃	Air,20℃,101325Pa	Length of taper pipe(mm)	LZB/LZJ	LZB-()F LZJ-()F	Temp.(℃)	Pressure (MPa)
4	LZB-4 LZB-4F	(1~10)L/h (1.6~16)L/h (2.5~25)L/h	(16~160)L/h (25~250)L/h (40~400)L/h	160	2.5	4	-20~+120	≤1
6	LZB-6 LZJ-6 LZJ-6F	(2.5~25)L/h (4~40)L/h (6~60)L/h	(40~400)L/h (60~600)L/h (100~1000)L/h			2.5
10	LZB-10 LZJ-10 LZJ-10F	(6~60)L/h (10~100)L/h (16~160)L/h	(100~1000)L/h (160~1600)L/h (250~2500)L/h
15	LZB-15 LZJ-15F	(16~160)L/h (25~250)L/h (40~400)L/h	(0.25~2.5)m 3 /h (0.4~4)m 3 /h (0.6~6)m 3 /h	350				≤0.6
25	LZB-25 LZJ-25F	(40~400)L/h (60~600)L/h (100~1000)L/h	(1~10)m 3 /h (1.6~16)m 3 /h (2.5~25)m 3 /h	350
40	LZB-40 LZJ-40F	(0.16~1.6)m 3 /h (0.25~2.5)m 3 /h	(4~40)m 3 /h (6~60)m 3 /h	430
50	LZB-50 LZJ-50F	(0.4~4)m 3 /h (0.6~6)m 3 /h	(10~100)m 3 /h (16~160)m 3 /h	450
80	LZB-80 LZB-80F	(1~10)m 3 /h (1.6~16)m 3 /h	(50~250)m 3 /h (80~400)m 3 /h	500				≤0.4
100	LZB-100 LZB-100F	(5~25)m 3 /h (8~40)m 3 /h	(120~600)m 3 /h (200~1000)m 3 /h	500				≤0.4

Model selection table, a general parameter is in this table, and you need to consult with customer service about the parameters you need

Material of Process Fluid Touching Parts
Parts/Material/Model	LZB-4,6,10 LZJ-6,10	LZB-4F LZJ-6F,10F	LZB-15,25,4 0	LZJ-15,25,40,50 (F)	LZB-50,80,100	LZB-80,100(F)
Float	SS304	Agate	SS304	Packing with fluoroplastic	SS304	Packing with fluoroplastic
Base	Brass	SS304	Cast iron lining PP	Cast iron lining PP	Cast iron lining with paint	Cast iron lining PP
Stop	PP	Fluoroplastic	PP	Fluoroplastic	Cast iron	Fluoroplastic
Seals and Shim	Nitrile rubber	Fluororubber	Nitrile rubber	Fluororubber	Nitrile rubber	Fluororubber
Guide Rod			SS304		SS304	Packing with fluoroplastic

TFT-LCD

The process special gases used in the CVD deposition process of TFT-LCD manufacturing process are silane (S1H4), ammonia (NH3), phosphine (PH3), nitrous oxide (N2O), NF3, etc. In addition, high purity hydrogen and high purity nitrogen and other bulk gases are also involved in the process. Argon is used in the sputtering process, and the sputtered film forming gas is the main material for sputtering. First, it is required that the film-forming gas cannot react with the target, and the most appropriate gas is inert gas. A large amount of special gas will also be used in the etching process, while the electronic special gas is mostly flammable, explosive and highly toxic, so the requirements for gas circuit and technology are very high. Wofei Technology specializes in the design and installation of ultra-high purity special gas transmission system.

1. who are we?
We are based in Guangdong, China, start from 2011,sell to Southeast Asia(20.00%),Africa(20.00%),Eastern Asia(10.00%),Mid East(10.00%),Domestic Market(5.00%),South Asia(5.00%),Northern Europe(5.00%),Central America(5.00%),Western Europe(5.00%),South America(5.00%),Eastern Europe(5.00%),North America(5.00%). There are total about 51-100 people in our office.

2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

3.what can you buy from us?
pressure regulator,Tube fittings,solenoid valve,Needle valve,check valve, pressure gauge,Rotor flowmeter

4. why should you buy from us not from other suppliers?
We have a couple of years with professional engineers and dedicated technicians.can provide security products for you

5. what services can we provide?
Accepted Delivery Terms: FOB,CIF,EXW；
Accepted Payment Currency:USD,CNY;
Accepted Payment Type: T/T,L/C,Western Union;
Language Spoken:English,Chinese

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