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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

Metal tube float flowmeter

Square header

Alarm metal tube float flowmeter Flange liquid crystal metal tube float flowmeter Anti-corrosion metal tube float flowmeter

◆  Clamp

 
Clamp alarm Clamp alarm  
Clamp LCD Clamp LCD Clamp LCD
 
Clamp remote transmission Clamp remote transmission  

◆  Thread

 
Thread Thread  
 
Threaded liquid crystal Threaded liquid crystal  

◆  External spinal canal

 
Explosion-proof outer cone pipe Explosion-proof outer cone pipe  
 

◆  Teletransmission

   

Flameproof

◆  Battery explosion-proof

   

◆  Explosion-proof alarm

◆  Anti-corrosion and explosion-proof

◆  Flameproof type

Flange Flange Flange
 
Thread Thread  

◆  Clamp explosion-proof

 

◆  Thread explosion-proof

 

◆  Communication

 
HART HART  
 
RS485 RS485  

◆  Round head

Flange round gauge head Clamp round head Clamp round head
 
Clamp round head Clamp round head  

Jacket

Jacket explosion-proof Jacket explosion-proof Jacket explosion-proof
Jacket type Jacket type Jacket type

Horizontal installation

Alarm level Alarm level Horizontal installation
Horizontal installation Liquid crystal level Liquid crystal level

Pointer head

 

Summary:
LZ series metal tube float flowmeter has simple structure, reliable operation, high accuracy and wide application range. It is widely used in the measurement and control of liquid and gas flow in the fields of national defense, chemical industry, petroleum, metallurgy, electric power, environmental protection, medicine, etc.
The electrically remote metal tube float flowmeter produced by our company abandons the contact transmission mode of connecting rod transmission, and adopts the independently developed non-contact intelligent transmitter with MSP as the core CPU, which greatly improves the reliability, stability and accuracy of the instrument.
◆ Material: 304SS, 316SS, 316LSS, 304SS lining F46, titanium, HC and other materials
◆ Connection: flange connection, HG20592-20615-7-2000 standard, or GB, ANSl, DIN, JIS and other standards (proposed by the user) can be threaded connection, hose connection, sanitary clamp connection, or customized according to the standards or specifications required by the user.
◆ Type: vertical, horizontal, bottom in and side out, side in and side out, etc.
◆ Power supply:+24VDC, AC220V, high-energy dry battery power supply
◆ Output: two-wire 4-20mA, (1-5V) output, upper and lower limit switch value alarm output. hart protocol 
◆ Explosion-proof: intrinsic safety ExibIICT3~T6 certificate number is GYB101238 Explosion-proof ExdIIBT3~T6 certificate number is GYB101359X
◆ Indicator housing material: aluminum alloy, explosion-proof aluminum alloy, 304SS, 316L


Technical indicators:

◆ Measurement range: water (2.5~150000) L/h; Air (0.07~2000) m3/h (at 0.101325 Mpa, 20 ℃).
◆ Accuracy level: 1.5 and 2.5 (PTFE).
◆ Range ratio: 10:1 (or special 5:1).
◆ Nominal pressure: DN15~50 ≤ 4.0MPa; DN65~150  ≤1.6MPa。
◆ Medium temperature: - 80 ℃~200 ℃ (lined with F46 flowmeter 0 ℃~80 ℃). Liquid medium viscosity: DN15<5mPa • s;
DN25~150≤250mPa•s。
◆ Output: 4-20mA two-wire system
Pure resistive load ＜ 680 Ω
Linearity ＜ 0.5%
Temperature effect ＜ 5MA/K
◆ Ambient temperature: - 25 ℃~55 ℃.
◆ Total height: DN15~DN150 (generally 250mm).

See Table 1 for flow range

Caliber Water(L/h)20℃ 0.101325MPa Air(m3/h)20℃ 0.101325MPa
Pressure Drift diameter Float（CrNi Hc) Float（PTFE Ti) Float（CrNi Hc) Float（PTFE Ti)
4.0MPa 15 1.6-16   0.05-0.5 0.075-0.75
2.5-25 2.5-25 0.075-0.75 0.12-1.2
4.0-40 4.0-40 0.12-1.2 0.18-1.8
6.0-60 6.0-60 0.18-1.8 0.30-3.0
10-100 10-100 0.30-3.0 0.45-4.5
16-160 16-160 0.45-4.5 0.75-7.5
25-250 25-250 0.75-7.5 1.2-12
40-400 40-400 1.2-12 1.8-18
60-600 60-600 1.8-18 0.75-7.5
20 40-400 25-250 0.75-7.5 1.2-12
60-600 40-400 1.2-12 1.8-18
100-1000 60-600 1.8-18 3.0-30
25 100-1000 100-1000 3.0-30 5.0-50
160-1600 120-1200 5.0-50 7.5-75
250-2500 160-1600 7.5-75  
400-4000 250-2500   3.0-30
32 160-1600 120-1200 5.0-50 5.0-50
250-2500 160-1600 7.5-75 7.5-75
400-4000 250-2500 12-120  
600-6000     3.0-30
40 400-4000 100-1000 7.5-75 5.0-50
600-6000 160-1600 12-120 7.5-75
1000-10000 250-2500 18-180 12-120
50 600-6000 400-4000 12-120 18-180
1000-10000 600-6000 18-180 30-300
1600-16000 1000-10000 30-300  
2000-20000 1200-12000 37-370 18-180
1.6MPa 65 1200-12000 600-6000 18-180 30-300
1600-16000 1000-10000 30-300 37-370
2500-25000 1200-12000 37-370 50-500
80 2500-25000 1600-16000 37-370 75-750
4000-40000 2500-25000 75-750 120-1200
100 4000-40000 2500-25000 120-1200  
6000-60000 4000-40000 180-1800 120-1200
125 8000-80000 4000-40000 120-1200  
10000-100000 6000-60000 180-1800 180-1800
150 12000-120000 6000-60000 200-2000  
15000-150000 8000-80000    

Product selection

1. Model selection

2. Description

A B C D E
Drift diameter

Structural form (medium flow direction)

Measuring tube material

Attachment structure

Converter function combination
DN
15
20
25
32
40
50
65
80
100
125
150

Y10 - lower in and upper out
Y20L left in right out (horizontal)
Y20R - right in and left out (horizontal)
Y30 - in and out on the same side
Y40 - inlet and outlet at opposite side
Y50 bottom in side out
Y60 side in and out

RR1-304SS
RR0-316SS
RRL-316L
RP-304+PTFE
Ti-pure titanium alloy
HC Hastelloy

Z-damping type
T-jacket type
F - Anti-corrosion type
G-high temperature type
Y-high pressure type

ESK-24V DC power supply, two-wire system 4-20mA standard current signal output intrinsic safety explosion-proof (Exib Ⅱ CT3-T6)
K1-24V DC power supply with upper limit alarm point output
K2-24V DC power supply with lower limit alarm point output
K12-24V DC power supply with upper and lower limit alarm point output
JSB - lithium battery power supply, LCD display instantaneous and cumulative flow
JSC-2220V AC power supply, LCD display instantaneous and cumulative flow
JSD-220V AC power supply, LCD display instantaneous and cumulative flow, 4-20mA standard current signal output
JSE-24V DC power supply, LCD display instantaneous and cumulative flow, 4-20mA standard current signal output
Exd-flameproof, 24V DC power supply, LCD display of instantaneous and cumulative flow, 4-20mA standard current signal output
HART - HART communication protocol

3. Flow direction diagram

4. Meter head type and model

Model 就地顯示型LZZ Electric remote transmission type LZD-.../ESK intelligent LZD-.../JSE(B  C
Header form
Display mode Pointer display Pointer display LCD+pointer display
Function On-site display of instantaneous flow

On-site display of instantaneous flow with
4~20mA standard signal output
Or 1-5V output
Power supply: 24VD. C. (intrinsically safe and explosion-proof)
Or 220VA. C

Simultaneous LCD display of field pointer
Instantaneous and cumulative flow with
4~20mA standard signal output
Or 1-5V output
Power supply: 24VD. C
Or 220VA. C
Or dry battery power supply (no output)
Model Alarm type LZD-.../K12 Flameproof type LZD-.../Exd HART LZD-.../HART
Header form
Display mode Pointer display LCD+pointer display LCD+pointer display
Function On-site display of instantaneous flow
Alarm with up to 2 points
Switching output

Simultaneous LCD display of field pointer
Instantaneous and cumulative flow with
4~20mA standard signal output
Or 1-5V output
Power supply: 24VD. C
Flameproof

Simultaneous LCD display of field pointer
Instantaneous and cumulative flow with
4~20mA standard signal output
Or 1-5V output
With HART communication protocol
Power supply: 24VD. C
Flameproof

Outline structure diagram

 
Drift diameter DN L （mm） Jacketed joint
flange Thread
15 100 DN15

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