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Metal tube rotameter

LZZH-15 LZDH-15 LZZH-25 LZDH-25 Metal tube rotameter

Model: LZZH-15 LZDH-15 LZZH-25 LZDH-25
Measuring range: water (20℃) 1-200000 l/h
Standard type: DN15－DN50 4.0MPa DN80-DN200 1.6MPa
Special type: DN15－DN50 25MPa DN80-DN200 16MPa
Description: LZZH-15 LZDH-15 LZZH-25 LZDH-25 metal tube rotameter from China, which has good quality and high steady performance.
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Overview

Metal tube float flowmeter is suitable for small diameter and low velocity medium flow measurement; reliable operation, low maintenance and long life; metal tube float flowmeter does not require high requirements for straight pipe sections; wider flow rate ratio 10:1; double row large LCD display, optional on-site instantaneous/cumulative flow display, single-axis sensitive indication with backlight; non-contact magnetic coupling transmission; all-metal structure, suitable for high temperature, high pressure and strong corrosive media; can be used in flammable, explosive and dangerous situations Optional two-wire system, battery, AC power supply; multi-parameter calibration function; with data recovery, data backup and power failure protection functions.

Model table

Code name	Series selection
LZ	Metal tube float flowmeter
ZH	Orifice float type, local indication
DH	Orifice float type, electric remote transmission with local indication
Z	Cone float type, local indication
D	Conical float type, electric remote transmission with local indication

Passage (mm)

Flow range

Water

Air

Water L / h*

Air m3 / h*

Conventional type

Anticorrosive type

Conventional

anti-corrosion

2.5～25

4.0～40

6.3～63

10～100

16～160

25～250

40～400

63～630

2.5～25

4.0～40

6.3～63

10～100

16～160

25～250

40～400

0.07～0.7

0.11～1.1

0.18～1.8

0.28～2.8

0.40～4.0

0.7～7.0

1.0～10

1.6～16.0

6.5

6.6

6.8

7.2

8.6

11.1

7.1

7.2

7.3

7.5

8.0

10.8

10.0

14.0

100～1000

160～1600

250～2500

400～4000

63～630

100～1000

160～1600

250～2500

3～30

4.5～45

7～70

11～110

7.0

8.0

10.8

15.8

7.7

8.8

12.0

19.0

Parameter
Measuring range: water (20℃) 1-200000 l/h
Air (20℃, 0.1013MPa) 0.03-4000m3/h
Refer to the flow table, special flow can be customized
Turndown ratio: standard type 10:1, special type 20:1
Accuracy: Standard type 1.5 grade, special type 1.0 grade
Pressure rating: Standard type: DN15－DN50 4.0MPa DN80-DN200 1.6MPa
Special type: DN15－DN50 25MPa DN80-DN200 16MPa
The pressure rating of the jacket is 1.6MPa
Special models should be negotiated with the factory before selecting and ordering
Pressure loss: 7kPa-70kPa
Medium temperature: Standard type: -80°C-＋250°C: PTFE: 0°C -85°C
High temperature type: up to 400℃
Medium viscosity: DN15: <5mPa.s (F15.1-F15.3)
<30mPa.s (F15.4-F15.8)
DN25: <250mPFa.s
DN50-DN150: <300mPa.s
Ambient temperature: liquid crystal type －30℃－+85℃
Pointer type －40℃－+120℃
Connection form: standard type: DIN2501 standard flange
Special type: any standard flange or thread by the user
Cable interface: M20*1.5
Power supply: standard 24VDC two-wire system 4-20mA (10.8VDC-36VDC)
AC type: 85-265VAC 50HZ
Battery type: 3.6V@4AH Ni-MH battery
Alarm output: upper or lower instantaneous flow alarm
Standard type: open collector output (maximum 100mA@30VDC internal impedance 100 ohms)
Special type: relay output (maximum contact capacity 5A@250VAC)
Pulse output: cumulative pulse output, the smallest interval is 50 milliseconds
Liquid crystal display: instantaneous flow rate display value range: 0－50000
Accumulated flow display value range: 0－99999999
Protection level: IP65
Explosion-proof mark: intrinsically safe type iaⅡCT6 flameproof type dⅡCT6

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