YK-CVF

Differential Pressure V-Cone Flowmeter

The YK-CVF DP V-Cone Flowmeter is a new high-precision differential pressure flowmeter. It measures flow by suspending a specially designed streamlined cone in the center of a closed pipeline for central throttling, and calculating flow based on the differential pressure between the upstream pipe wall and the cone downstream. It is therefore named the V-Cone flowmeter. Due to its unique structural design, it offers superior performance compared with other differential pressure flowmeters. Like other differential pressure flowmeters, the YK-CVF V-Cone operates based on Bernoulli’s law of energy conservation in closed pipelines, where flow velocity is proportional to the square root of differential pressure under stable flow conditions. As the medium flows toward the cone tip, throttling creates a low-pressure zone (P2) downstream of the cone, while a high pressure (P1) forms upstream. The pressure difference (ΔP) between P1 and P2 is transmitted to a differential pressure transmitter, allowing flow to be determined based on changes in ΔP.

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technology parameter

Structure Type	Inline Type,Wafer Type	Connection Method	Wafer Type,Flange Type
Housing Material	Carbon Steel,SUS304,SUS316	Measuring Medium	Gas,Liquid
Measuring Caliber	DN50-DN4000	Ambient Temperature	-25～80℃
Process Temperature	-25～350℃	Applicable Pressure	1.0 MPa,1.6 MPa,4.0 MPa(Negotiable)
Accuracy	±0.5%/±1%	Electrical Interface	M20×1.5(Negotiable)
Output Mode	4~20mA	Protection Grade	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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