Natural Gas Flow Meter, O2/ CH4, DN20-DN200

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$859.71

Natural gas flow meter is available for sale in DN20-DN200, suitable for natural gas, compressed air and oxygen measurements. The diameter covers DN20-DN200, flow rate range up to 2~3600m³/h. Made of aluminum alloy, it is durable and IP65 rated, and offers flange standard connection for easy installation.

Nominal Diameter *
Output Signal *

SKU: ATO-FLOW-LUX

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Overview
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Highly cost effective natural gas flow meter for sale, can be used for gas measurement such as O₂/CH₄ and compressed air. Equipped with a variety of caliber: DN20-200 optional, flow range of 2~3600m³/h, built-in 3.6V lithium battery with low consumption and energy saving, external 24VDC, output 4-20mA and RS485 signals, stable and reliable performance, it is the high quality choice for natural gas and oxygen measurement.

Specification

Model	ATO-AK-LUX
Nominal Diameter	DN20-DN200
Flow Rate Range	2~3600m³/h (Please check the flow range table below)
Measuring Medium	Natural gas, compressed air, oxygen and other gases
Product Caliber	DN20~DN200
Nominal Pressure	1.6MPa
Precision Grade	1.5
Protection Class	IP65
Power Supply	24VDC or 3.6V lithium battery power supply
Output Signal	2-wire 4-20mA, RS485
Connection	Flange (common use)
Standard Conditions	P=101.325 kPa, T= 293.15K
Ambient Temperature	-30℃~+65℃
Relative Humidity	5%RH to 95%RH
Medium Temperature	-20℃~+80℃
Atmospheric Pressure	86KPa~106Kpa
Internal Power Supply	1 set of 3.6V lithium battery, when the voltage is lower than 3.0V, undervoltage indication appears
External Power Supply	24VDC±15%, ripple <5%, for 4-20mA output, RS485, etc.
Power Consumption	Internal power supply: Average power consumption 1mW, can be used continuously for more than two years
Power Consumption	External power supply: <2W
Material	Aluminum alloy

Flow Meter Flow Range

Nominal Diameter	Flow Range	Precision Grade	Repetitive
DN20	2~20m³/h	1.5	≤2.5MPa aluminum alloy
DN25	3~30m³/h
DN32	4~50m³/h
DN50	10~150m³/h
DN80	30~400m³/h
DN100	50~700m³/h
DN150	150~2000m³/h
DN200	240~3600m³/h

Dimension (unit: mm)

Nominal Diameter	Pressure Rating	A	H	D	K	n×d	Net Weight
DN20	1.6MPa	162	305	105	75	4-φ14	4kg
DN25		183	315	115	85	4-φ14	4.5kg
DN32		200	330	140	100	4-φ18	5kg
DN50		234	355	165	125	4-φ18	5.5kg
DN80		330	390	200	160	8-φ18	9.5kg
DN100		410	410	220	180	8-φ18	12kg
DN150		580	470	285	240	8-φ22	27.5kg
DN200		700	525	340	295	12-φ22	31.6kg

Details

Liquid Crystal Display: Using dot-matrix display, natural gas flowmeter display bit more, easy to read can directly display the volume of the working state, the flow rate of the total volume flow rate of the standard state, as well as media pressure, temperature and other parameters.
Electrical Interface: Stainless steel interface effectively waterproof and dustproof, to extend the service life of the gas flowmeter measurement.
Exquisite Impeller: Each impeller is carefully polished without burrs, reducing pressure loss.
Flange Material: Made of aluminum alloy, better working performance and high temperature resistance.

Installation Methods

Description
Ensure that the length of the straight section on the upstream side is at least 3D and that the length of the straight section on the downstream side is at least 2D. See diagram I. (D: nominal diameter of the rotary vortex flowmeter)
Bends: For bends, ensure that the length of the straight section on the upstream side is at least 3D and that the length of the straight section on the downstream side is at least 2D. See diagram II.
Shrinking: For shrinking, ensure that the length of the straight section on the upstream side is at least 3D and that the length of the straight section on the downstream side is at least 2D. See diagram III.
Expansion: For expansion, ensure that the length of the straight section on the upstream side is at least 3D and that the length of the straight section on the downstream side is at least 2D. See diagram I.
Valve: If there is a valve on the upstream side, ensure that the length of the straight section on the upstream side is at least 5D and that the length of the straight section on the downstream side is at least 2D. See V for schematic diagram.

Application

Tips: Natural gas flow meter installation precautions

When installing and using in outdoor, there should be a cover to avoid sun exposure and rain erosion, which will affect the service life of the meter.

Pipeline pressure test, should pay attention to the intelligent flowmeter configured pressure sensor pressure measurement range, in order to avoid overpressure damage to the pressure sensor.

Attention should be paid to the impact of the installation stress, the installation of the flow meter upstream and downstream pipeline should be coaxial, otherwise it will produce shear stress.

Installation of the gas flow meter location should consider the thickness of the sealing gasket, or in the downstream side of the installation of an elastic expansion joint.
Welding slag and other debris in the pipeline should be removed before installing the flowmeter.

When put into operation, should slowly open the gas flow measurement devices upstream and downstream valves, so as not to instantaneous gas flow is too rapid and wash out the starter.

When the flow meter needs to have a signal transmission, should be strictly in accordance with the “electrical performance indicators” requirements to access the external power supply (8 ~ 24) VDC, is strictly prohibited in the signal output, “port” direct access to 220VAC or 380VAC power supply.

Users are not allowed to change the wiring of the explosion-proof system and unscrew each output lead connector arbitrarily. When the flowmeter is running, it is not allowed to open the back cover to change the parameters of the meter, otherwise it will affect the normal work of the flowmeter.
Regularly check the leakage of the gas flow meter flange.

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