ZX-LZ metal flowmeter works: metal rotameter consists of two parts, one is the spinner from the bottom up gradually expanding conical tube; flowmeter is placed in another conical tubes and along the centerline of the tube can move freely up and down the rotor. Flowmeter when measuring fluid flow, measured fluid from the tapered lower end of the inlet tube, the fluid flow impact of the rotor, and it produces a force (the magnitude of the force varies with the size of the flow); when the flow is large enough , the force generated by the rotor hold up, and make it rise. At the same time, the measured fluid flow through the annular cross-section between the rotor and the conical wall, the outflow from the top. When the measured fluid flow forces on the rotor, the rotor is exactly equal to the weight of the fluid (called display weight), the rotor forces in equilibrium and stay at a certain height. Analysis showed that; a rotor position height of conical tubes, and flow rate through the reciprocal relationship has. Therefore, the height of the rotor position observer conical tube, it is possible to obtain the corresponding flow rate value. In order to make the rotor when moving up and down the centerline of the cone does not touch the wall of the tube, usually using two methods: one is equipped with a guide at the center of the rotor mandrel, in order to maintain the rotor in a conical tube center line up and down movement, the other is at the edge of the rotor disc has opened a channel chute, bottom-up when the fluid flow through the rotor, the rotor side of the bypass, but also through the chute produce a reverse thrust, the rotor around centerline not stop rotating, the rotor can be maintained during operation will not hit the wall. Rotor material available rotameter stainless steel, aluminum, bronze or the like. The main technical parameters (1) Basic Measuring range: water (20 ℃) ??2.5-150000L / h air (20 ℃, 0.1013MPa) 0.07-4000Nm3 / h range ratio: 10: 1 accuracy: 1.5 / 2.5 operating pressure: ≤6.4MPa Working temperature: -40 ~ 350 ℃ (fluorine plastic lining -10 ~ 80 ℃) Ambient temperature: -20 ~ 80 ℃ Medium viscosity: DN15≤5mPa.S DN25 ~ DN150≤250mPa.S tube material: 1Cr18Ni9Ti, 316L, inside lining PTEF etc. Process connection: flange, or by users with good hedging steam: flange, DN15 / PN1.6, or by the user (2) remote device ①GD 5W1-1 angular displacement transducer basic error: 1.5% FS Output signal: 4 ~ 20mA load impedance: 350Ω Supply voltage: 24VDC Ambient temperature: -30 ~ 80 ℃ and outlet: M20 × 1.5 Explosion-proof mark: ExibIICT4 ②GD E-HD transmitter power affect: <0.1% (no numbers Resolution [70μA) Load effect: <0.1% (excluding digital resolution [70μA) Current consumption: 4 ~ 21.6mA, compared to 0% load impedance measurements: 0 to 800 Operating voltage: 12.8 ~ 30VCD output signal: 4 ~ 20mA Ambient temperature: -25 ~ 80 ℃ and outlet: M20 × 1.5 Explosion-proof mark: ExibIICT6 measuring range: water (20 ℃) ??2.5-150000L / h, air (20 ℃, 0.1013MPa) 0.07-4000Nm3 / h turndown ratio : 10: 1 accuracy: 1.5 / 2.5 operating pressure: ≤6.4MPa Working temperature: -40 ~ 350 ℃ (fluorine plastic lining -10 ~ 80 ℃) Ambient temperature: -20 ~ 80 ℃ Medium viscosity: DN15≤5mPa.S, DN25 ~ DN150≤250mPa.S tube material: 1Cr18Ni9Ti, 316L, lined PTEF etc. Process connection: flange, or provide Yueqing metal tube, metal rotameter Wenzhou, Wenzhou LZ meter, Shanghai LZ rotor by user flowmeter, LZ Yueqing flowmeter manufacturers.