XNLC series elliptical gear flowmeter

Product Introduction

The elliptical gear flowmeter is a lightweight volumetric flow meter with pointer display, word wheel cumulative counting device, and zero return device. It is widely used in liquid flow control in various industrial fields and is suitable for measuring various types of liquids, such as crude oil, diesel, gasoline, etc. It has the characteristics of large range, high accuracy, and easy use and maintenance. Different manufacturing materials are selected to meet the liquid flow measurement in various fields such as petroleum, chemical, pharmaceutical, food, metallurgy, power, transportation, etc.

Working principle and structure

A flowmeter is composed of a measuring box and a pair of elliptical gears installed inside the measuring box, forming a sealed lunar cavity with upper and lower cover plates (not sealed due to the rotation of the gears) as the unit for calculating the primary displacement. When the measured liquid enters the flowmeter through the pipeline, the pressure difference generated at the inlet and outlet drives a pair of gears to rotate continuously, continuously delivering the liquid measured by the initial lunar cavity to the outlet. The product of the number of revolutions of the elliptical gear and four times the displacement per time is the total flow rate of the measured liquid.

The flowmeter is mainly composed of a housing, a counter, an elliptical gear, and a coupling (divided into magnetic coupling and axial coupling).

Product Features

1. High measurement accuracy, generally up to ± 0.5% R, up to ± 0.2% R

2. Not sensitive to changes in viscosity of the target liquid, capable of measuring higher viscosity liquids, especially suitable for measuring heavy oil quality

3. The installation of pipeline conditions does not affect the measurement accuracy and does not require a straight pipe section

4. Mature structure, stable performance, suitable for trade settlement

detailed parameters

Product images
Instrument model	XNLC-A/Z	XNLC-QF/MF	XNLC-ELZ
Instrument material	Cast iron/cast steel/304 stainless steel	Cast iron/cast steel/304 stainless steel	Cast iron/cast steel/304 stainless steel
signal output	not have	Pulse/4-20mA	Pulse/4-20mA
power supply	not have	24VDC±15%	24VDC±15%
Accuracy level	Level 0.5~0.2	Level 0.5~0.2	Level 0.5~0.2
monitor	mechanical	mechanical	Electronic header
Return to zero function	optional	optional	yes
Explosion proof grade	ExiaIICT6	ExiaIICT6	ExiaIICT6
protection grade	IP65	IP65	IP65
Instrument communication	DN15~DN200	DN15~DN200	DN15~DN200
Installation method	flange mounting	flange mounting	flange mounting
Standard temperature resistance	-20℃~200℃	-20℃~200℃	-20℃~100℃
Temperature type	optional	optional	optional
Adhesive type	optional	Optional	optional
ambient temperature	-20℃~60℃	-20℃~60℃	-20℃~60℃

measuring range