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月恒儀器儀表

Yueheng Instrument & Apparatus

PRODUCTS

Yueheng Instrument & Apparatus

PRODUCTS

○  Metal tube float flowmeter

○  Micro metal tube float flowmeter

○  All stainless steel metal tube float flowmeter

○  Magnetic filter

○  Imported series glass rotameter

○  Domestic series glass rotameter

○  Plastic rotameter

○  Panel flowmeter

○  Pipeline flowmeter

LZB - ()/V20/S20/F20 glass rotameter

Glass rotameter S20 series

 
S20 series  

Glass rotameter V20 series

V20 series V20 series

summary

LZB - ()/V20/S20/F20 series glass rotameter is a variable area flowmeter. It is widely used in chemical industry, light industry, medicine, food, environmental protection, teaching and scientific research and other departments.


Product features

◆ With the same connection mode, there is a uniform height regardless of the caliber
◆ Able to withstand high temperature and pressure
◆ Safe metal shell, good safety
◆ High measurement accuracy and good interchangeability
◆ Various connection modes
◆ Lightweight structure, small size and simple installation
◆ Beautiful appearance and convenient maintenance


Technical indicators
 ◆ Measuring range:
Water 20 ℃ 4~10000L/h
Air 20 ℃ 101325Pa 0.2~300m3/h
◆ Range ratio: 10:1
◆ Accuracy level: 1.0 1.5
◆ Taper length: 300mm
◆ Scale: flow scale
◆ Measured fluid condition:
Pressure DN15~DN25: 1.0MPa
DN40:0.9MPa
DN50:0.7MPa
Temperature (- 20~200) ℃
◆ Connection mode: threaded connection, hose connection, flange connection


Installation dimension  


Nominal diameter
DN
LZB - ()/V20 pipe thread connection LZB-()/S20 Hose connection LZB-()/F20 Flange connection
L1 a Pipe thread L1 a b L3 d c e
15 375 φ58 G1/2” 400 φ58 φ17 425 Ф95 Ф65 4~Ф14
*G3/8” Ф88.9 Ф60.5 4~Ф16
*NPT1/2” Ф95.2 Ф66.5 4~Ф16
25 φ74 G1” 450 φ74 φ30 Ф115 Ф85 4~Ф14
*G3/4” Ф108 Ф79.2 4~Ф16
*NPT1” Ф123.9 Ф88.9 4~Ф19
40 φ95 G1½” φ95 φ44 Ф145 Ф110 4~Ф18
*NPT1½” Ф127 Ф98.6 4~Ф16
50 φ112 G2” φ112 φ54 Ф160 Ф125 4~Ф18
*NPT2 Ф152.4 Ф120.7 4~Ф19

 
Material of components in contact with measuring fluid

spare parts Model
V10-() V10-()F S10-() FF10-()
float 30SS stainless steel 304SS stainless steel 304SS stainless steel
Upper and lower stops nylon Fluoroplastics nylon Fluoroplastics nylon Fluoroplastics
Sealing element Nitrile rubber Viton Nitrile rubber Viton Nitrile rubber Viton
Pipe threaded joint Carbon steel (galvanized) 1Cr18Ni9Ti
stainless steel
       
Connector seat aluminium          
Hose connector     aluminium 1Cr18Ni9Ti
 stainless steel
   
Flange joint         aluminium 1Cr18Ni9Ti
stainless steel

Note: 1. F10 series flange material: cast iron spray plastic. 2. Please specify other special materials. 3. Shell: aluminum spray plastic.

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