YK-JSF

Metal Tube Rotameter

YK-JSF series Metal Tube Rotameter (also known as metal tube variable area flowmeter or metal tube float flowmeter) features simple structure, reliable operation, wide applicability, high accuracy, and easy installation. Compared with glass tube rotameters, it offers advantages such as high pressure resistance, high temperature resistance, enhanced safety, and clear reading. It is suitable for flow measurement of opaque and corrosive media. The measuring tube and flanges are made of stainless steel (304SS or 316L). The float and internal lining are made of PTFE and 304SS or 316L. The YK-JSF series consists of a measuring tube body, standard float, tapered tube, and magnetic coupling mechanism. Working parameters, conversion, and correction are processed by dedicated calculation software, ensuring accurate measurement performance.

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technology parameter

Structure Type	Integral type	Connection Method	Flange type, Screw type
Housing Material	Carbon steel, SUS304, SUS316L	Lining Material	PTFE
Wetted Material	304, 316L, Hastelloy C, Titanium,	Ambient Temperature	-40 ～ 60℃
Process Temperature	-20～ 220℃	Applicable Pressure	0～4.0MPa (can be agreed upon)
Accuracy	±1.0%	Electrical Connection	M20×1.5 (can be agreed upon)
Output Method	4～20mA, RS485, Relay	Ingress Protection Rating	IP65
Certification	Intrinsically safe, Flameproof	Power Supply Voltage	220VAC, 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;
Grounding Ring or Grounding Electrode

A:Yes; B:No;
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