YK-WLF

Verabar Flowmeter

The Verabar flowmeter is designed and manufactured in accordance with ISO 3966 “Measurement of fluid flow in closed conduits — Velocity area method”. It is an advanced instrument specifically used for large-diameter gas, flue gas, and power plant air flow measurement. The system consists of a differential pressure sensing probe and a calculation/display unit. It features wide measuring range, low pressure loss (only about 3% of maximum differential pressure, energy-efficient), online maintenance without process shutdown, resistance to fouling, and online cleaning capability. It is suitable for flow measurement of dirty, low-pressure, low-velocity gases and air in large-diameter pipelines.

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technology parameter

Structure Form	Insert Type	Connection Method	Insert Type
Housing Material	SUS304, SUS316	Pipe Size	DN200-DN6000
Sensor Material	304, 316L	Ambient Temperature	-25 ~ 80℃
Process Temperature	-25 ~ 550℃	Applicable Pressure	1.0 MPa, 1.6 MPa, 4.0 MPa (Negotiable)
Accuracy	±1.5%	Electrical Interface	M20×1.5 (Negotiable)
Output Mode	4~20mA, HART Protocol, RS485	Protection Grade	IP65, IP66
Certification	Intrinsically Safe and Flameproof	Power Supply Voltage	24VDC

Selection

Measurement Task
Nominal Diameter (DN)

A:DN15; B:DN20; C:DN25; D:DN32; E:DN40; F:DN65; G:DN80; H:DN100; I:DN125; J:DN150; K:DN200; L:DN250; M:DN300; N:DN350; O:DN400; P:DN450; Q:DN500; R:DN600; S:DN700; T:DN800; U:DN900; V:DN1000; W:DN1100; X:DN1200; Y:DN1300; Z:DN1400; DI:Others;
Power Supply

A:24VDC; B:220VAC; C:Non-powered;
Operating Temperature

A:≤80℃; B:≤120℃; C:≤200℃; D:≤300℃; E:≤400℃;
Pressure Rating

A:0–1.6MPa; B:0–2.5MPa; C:0–4.0MPa; D:0–6.3MPa; E:0–10MPa;
Output Signal

A:4–20mA; B:Pulse; C:Switch Signal; D:No Output;
Installation Type

A:Clamp-on; B:Flanged; C:Insertion type; D:Welded-connection;
Converter Type

A:Integral; B:Remote;
Protection Rating (IP Rating)

A:IP65; B:IP66; C:IP67; D:IP68;
Explosion-Proof Rating

A:Standard; B:Explosion-proof; C:Intrinsic Safety;
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