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月恒儀器儀表

Yueheng Instrument & Apparatus

? 中文版　 ? ENGLISH

PRODUCTS

Yueheng Instrument & Apparatus

PRODUCTS

Metal tube float flowmeter

○ Metal tube float flowmeter

○ Micro metal tube float flowmeter

○ All stainless steel metal tube float flowmeter

○ Magnetic filter

Glass rotameter

○ Imported series glass rotameter

○ Domestic series glass rotameter

Turbine flowmeter

Vortex Flowmeter

Constant current purging device

Plastic 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
	80	4000-40000	2500-25000	75-750	120-1200
	100	4000-40000	2500-25000	120-1200
	100	6000-60000	4000-40000	180-1800	120-1200
	125	8000-80000	4000-40000	120-1200
	125	10000-100000	6000-60000	180-1800	180-1800
	150	12000-120000	6000-60000	200-2000
	150	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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