Variable Area Vertical Pointer Flowmeter | RWLZ

Variable Area Vertical Pointer Flowmeter RWLZ
Variable Area Vertical Pointer Flowmeter RWLZ
Variable Area Vertical Pointer Flowmeter RWLZ
Variable Area Vertical Pointer Flowmeter RWLZ

Variable Area Vertical Pointer Flowmeter | RWLZ

Variable Area Vertical Pointer Flowmeter – Overview

The LZ series is a no-contact and zero-hysteresis variable area flowmeter. It is a high-precision, high-reliability signal transmitter. It detects changes in the angle of the magnetic field of the magnetic sensor. This high-performance flowmeter is available with an indicator or with LCD display and includes power failure protection. The LCD can display the instantaneous flow, total flow, loop current, environment temperature, damping time, and small signal removal. Optional Two-wire 4~20mA signal (with HART communication) output available. It is not affected by the medium’s physical and chemical states such as conductivity, dielectric constants, etc. The Variable Area Vertical Pointer Flowmeter is ideal for small and medium flow measurements of single-phase liquids or gas with small and medium pipe diameters. Suitable for use with mediums that are corrosive, toxic and explosive. Applications include chemical, pharmaceutical, petrochemical, food, and metallurgical industries.

Variable Area Vertical Pointer Flowmeter – Features

  • Medium temperature: Normalised type -80℃~+220℃
  • Ambient temperature: -40℃~+120℃ (Remote display without LCD≤85℃)
  • Range ratio: 10:1 (Special type 20:1)
  • Accuracy class: 2.5 (Special type 1.5% or 1.0%)
  • Working pressure: DN15~DN50 PN16 (Special type 2.5MPa)
  • Durable – fully welded stainless steel body
  • Suitable for most mediums
  • Easy-to-read displays

 

SKU: RWLZ Category: Tags: ,

Description

Variable Area Vertical Pointer Flowmeter | RWLZ

Table 1: Vertical Pointer Variable Area Flowmeter Data Sheet

Measuring range  Water (20℃)                  16~150000 l/h.

Air (0.1013MPa 20℃)       0.5~4000 m3/h.
 Range ratio  10:1 (Special type 20:1).
 Accuracy class  2.5 (Special type 1.5% or 1.0%).
 Working pressure  DN15~DN50 PN16 (Special type 2.5MPa).

DN80~DN150 PN10 (Special type 1.6MPa).

Pressure rating of jacket 1.6MPa.
 Medium temperature  Normalized type -80℃~+220℃.

High-temperature type 300℃. Lined with FEP type ≤85℃.
 Ambient temperature  -40℃~+120℃ (Remote display without LCD≤85℃).

(Remote display with LCD≤70℃).
 Dielectric viscosity  1/4” NPT, 3/8” NPT 1/2” NPT≤5mPa.s

3/4” NPT,1” NPT ≤250mPa.s
 Output  Standard signal: two-wire system 4 ~ 20mA (with HART communication).

Standard signal: three-wire system 0 ~ 10mA.

Alarm signal:

1. Two-way relay output.

2. One-way or two-approach switches.

Pulse signal output: 0-1KHz isolated output.
 Process connection  Standard type: 24VDC±20%.

AC type: 220VAC (85~265VAC) (optional).
 Connection mode  Flange

Thread

Tri-clamp
 Levels of protection  IP65/IP67.
 Ex-mark  Intrinsically safe: ExiaIICT3~6.    Exd type: ExdIICT4~6.

Table 2: Vertical Pointer Variable Area Flowmeter Flow Range

Calibre

(mm)

 Work number Flow range Pressure loss kpa
Water L/h Air m3/h Water Kpa Air
Normal type Anti-corrossion type Normal type
Anti-corrossion type		 Normal type Anti-corrossion type
15 1A 2.5~25 — 0.07~0.7 6.5 – 7.1
1B 4.0~40 2.5~25 0.11~1.1 6.5 5.5 7.2
1C 6.3~63 4.0~40 0.18~1.8 6.6 5.5 7.3
1D 10~100 6.3~63 0.28~2.8 6.6 5.6 7.5
1E 16~160 10~100 0.48~4.8 6.8 5.6 8.0
1F 25~250 16~160 0.7~7.0 7.0 5.8 10.8
1G 40~400 25~250 1.0~10 8.6 6.1 10.0
1H 63~630 40~400 1.6~16 11.1 7.3 14.0
25 2A 100~1000 63~630 3~30 7.0 5.9 7.7
2B 160~1600 100~1000 4.5~45 8.0 6.0 8.8
2C 250~2500 160~1600 7~70 10.8 6.8 12.0
2D 400~4000 250~2500 11~110 15.8 9.2 19.0
40 4A 500~5000 300~3000 12~120 10.8 8.6 9.8
4B 600~6000 350~3500 16~160 12.6 10.4 16.5
50 5A 630~6300 400~4000 18~180 8.1 6.8 8.6
5B 1000~10000 630~6300 25~250 11.0 9.4 10.4
5C 1600~16000 1000~10000 40~400 17.0 14.5 15.5
80 8A 2500~25000 1600~16000 60~600 8.1 6.9 12.9
8B 4000~40000 2500~25000 80~800 9.5 8.0 18.5
100 10A 6300~63000 4000~40000 100~1000 15.0 8.5 19.2
150 15A 20000~100000 — 600~3000 19.2 — 20.3

Table 3: Vertical Pointer Variable Area Flowmeter Model Selection

RWLZ X X X X X X X X X
Indicator Code
Local indicator Z
LCD indicator with output D
Nominal diameter Code
DN15 -15
DN20 -20
DN25 -25
DN40 -40
DN50 -50
DN80 -80
DN100 -100
DN150 -150
Structure Code
Bottom-top /
Left-right (horizontal) H1
Right-left (horizontal) H2
Side-side AA
Bottom -side LA
Thread connection S
Tri-clamp M
Body material Code
304SS R4
316LSS R6L
Hastelloy C Hc4
Titanium Ti
Liner F46(PTFE) F
Monel M
Indicator type Code
Iinear indicator(pointer indication) M7
Nonlinear indicator(LCD Display) M9
Combination function(only for LCD display) Code
24VDC with 4~20mA output S
24VDC with HART communication Z
Battery power D
Additional function Code
Measuring tube with thermal preservation/heat insulation jacket T
Measure medium temperature higher than 120.C HT
Ex-proof: Code
With W
Without N
Alarm Code
One alarm K1
Two alarm K2
None N

Variable Area Vertical Pointer Flowmeter | RWLZ

Brand

Royce Water Systems

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