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ZF-LW Series Turbine Flow Meter
The ZF-LW series turbine flow meter is a precision flow measurement device designed for both gas and liquid applications. Featuring a compact and lightweight design, it offers high accuracy, strong repeatability, and fast response. With minimal pressure loss and multiple output options, it is widely used in industrial process control, trade measurement, and automated monitoring systems. The flowmeter is available in explosion-proof versions for hazardous environments and supports integration with various display and control instruments.
Flow Meters

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Overview:

Measurement Type: Turbine-based flow measurement

Output Options: Pulse frequency, 4-20mA current signal, local display

Explosion-Proof Versions: Standard, intrinsically safe, and explosion-proof models

Applications: Industrial flow monitoring for gases (e.g., natural gas, liquefied gas) and liquids (compatible with stainless steel and hard alloy materials)


Key Technical Specifications:

Measuring Range:

   o Liquid: 1:10, 1:15, 1:20 (depending on model)

   o Gas: 1:10, 1:20, 1:30 (depending on model)

Accuracy:

   o Liquid: 1.0%, 0.5%, 0.2% (special type)

   o Gas: 1.5%, 1.0%, 0.75% (special type)

Operating Pressure: Suitable for high-pressure applications without additional pressure taps

Medium Temperature: -20°C to +110°C

Environmental Conditions:

   o Temperature: -10°C to +55°C

   o Humidity: 5%–90% RH

   o Atmospheric Pressure: 86–106 kPa

Materials:

   o Liquid models: 304/316L stainless steel

   o Gas models: 304 stainless steel body, ABS/aluminum alloy impeller, cast aluminum display unit

Output Signals:

   o Pulse frequency (no zero drift, strong anti-interference)

   o 4-20mA current signal (two-wire system)

Power Supply:

   o Sensor: 12VDC or 24VDC

   o Transmitter: 24VDC

   o Local display model: 3.2V lithium battery or external 24VDC

Installation Options:

   o Liquid models: Threaded (DN4-DN40), Flanged (DN15-DN300)

   o Gas models: Threaded (DN25, DN40), Flanged (DN25-DN300)

   o Insertion type available for large-diameter pipelines

Transmission Distance: ≤1000m

Electrical Interface:

   o Standard: Hose connector

   o Explosion-proof model: M20×1.5 internal thread

Protection Rating: IP54 (standard), IP65 (waterproof model)

Explosion-Proof Rating:

   o Intrinsically Safe: Exia Ⅱ CT5Ga

   o Flameproof: Exd Ⅱ CT5Gb

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