Multi-Hole Orifice Plate (Balanced Flowmeter)

YK-FR

Multi-Hole Orifice Plate (Balanced Flowmeter)

YK-FR Multi-Hole Orifice Plate (also known as a Balanced Flowmeter) is a new type of differential pressure flow sensing device developed in accordance with GB2624 standards, based on the standard orifice plate and flow conditioner. It is designed to deliver excellent performance while requiring minimal upstream and downstream straight pipe lengths. YK-FR Multi-Hole Orifice Plate significantly improves traditional throttling devices by providing flow field conditioning and balancing capabilities. Conventional throttling devices use a single orifice, which disrupts the ideal flow profile after throttling. In contrast, the balanced flowmeter features multiple flow passages that optimize and stabilize the flow profile toward an ideal condition. Therefore, it is also known as a balanced or conditioning-type flowmeter, maximizing the advantages of differential pressure flow measurement. It is suitable for flow measurement of nearly all types of fluids.

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technology parameter

Structure Form	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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