YK-LCZY

Gas Roots Flowmeter

YK-LCZY series Gas Roots Flowmeter is a third-generation gas Roots flowmeter newly developed. Based on advanced aerospace concepts and integrated with fluid mechanics and electromagnetics theories, it is a new-generation high-precision and high-reliability gas metering instrument integrating temperature, pressure, flow sensors and a smart flow totalizer. It offers excellent low and medium pressure measurement performance with multiple signal output options. The YK-LCZY series is an ideal commercial metering device for accurate gas accumulation measurement. It is widely used in urban gas pipeline networks, industrial gas metering, gas pressure regulating stations, and energy management applications. The products have been exported to Southeast Asia, the Middle East, Russia, India, Pakistan, and other countries, with performance reaching internationally advanced levels. Our company is committed to providing highly reliable products. The YK-LCZY series is well recognized by gas utility users for its extremely low starting flow rate, wide turndown ratio, excellent accuracy and stability. It features multiple patented technologies and has obtained national explosion-proof certification with marking Ex d IIC T6 Gb.

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technology parameter

Structure Form	Integrated Type	Meter Caliber	DN25-DN200
Housing Material	Aluminum Alloy, Stainless Steel	Range Ratio	1:20, 1:50
Compensation Method	Temperature and Pressure Dual Compensation	Ambient Temperature	-25 ~ 60℃
Process Temperature	-20 ~ 80℃	Applicable Pressure	1.0 MPa, 1.6 MPa, 2.5 MPa (Negotiable)
Accuracy	±1.5%	Electrical Interface	M20×1.5 (Negotiable)
Output Mode	4~20mA, Pulse, RS485	Protection Grade	IP65, IP67
Communication Protocol	MODBUS-RTU, HART (Customizable)	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;
Grounding Ring or Grounding Electrode

A:Yes; B:No;
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