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Cast Iron Material Vortex Flow Meter PD Mechanical Fuel Oil Flow Meter

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Cast Iron Material Vortex Flow Meter PD Mechanical Fuel Oil Flow Meter

Country/Region	china
City & Province	Shaanxi

Product Details

The Local Display 0.5% Cast iron material PD Mechanical Fuel Oil Oval Gear Flow Meter

Introduction

LC series oval gear flow meter is the main products of our company. LC oval gear flow meter is one of the typical displacement meter, used for measurement of pipeline fluid flow under certain pressure. It has a simple structure, reliable use and high accuracy, flow field has no special requirements for import and export of the pipe, the viscosity of the measured medium range and the characteristics of the flow range is very wide. And therefore is widely used in petroleum, chemical industry, medicine, transportation, food and other industrial and commercial sector of liquid flow detection. LC series oval gear flow meter is particularly suited to the measurement of oil fuel.

Usage

LC-A type cast iron oval gear flow meter, widely used in all kinds of oil products and for the measurement of the cast iron material not corrosion liquid medium.

LC-E type cast steel oval gear flow meter, Used for high pressure, low corrosive medium measurement.

LC-Q type cast iron oval gear flow meter, The rotor for aluminum alloy, is suitable for low viscosity, low corrosion, such as gasoline, etc.) the measurement of liquid medium.

LC-B, C type stainless steel oval gear flow meter, widely used in strong corrosive liquid medium, such as acid, alkali, salt and organic compounds, the measurement of liquid medium.

LC-L type Aluminum alloy oval gear flow meter, is a small oval gear flow meter, widely used in low corrosive liquid medium, such as water, such as the measurement of liquid medium.

Materials of main parts and the nominal operating pressure

	Shell and cover	cover plate	oval wheel	Rotary shaft	bushing	Nominal pressure(MPa)
LC-A	Cast steel	Cast iron	Cast iron,Stainless steel Alloy aluminum, engineering material	Stainless steel	Bronze(with oil) or rolling bearing	1.6
LC-E	Cast steel	Cast iron			Bronze(with oil) or rolling bearing	Under DN50 6.3 DN80-100 4.0 6.3 DN150-200 2.5
LC-B,C	Stainless steel	Stainless steel	Stainless steel		graphite,rolling bearing	1.6,2.5
Notes:1. 0Cr18Ni12Mo2Ti for type LC-C； 0Cr18Ni9Ti for type LC-B. 2. Flange is convex under 2.5MPa ,and roughness at 6.3 MPa;and both of the above at 4.0 MPa.

2. Accuracy class class 0.5,class 0.2

3. Operating temperature: series LC－A(-20℃~+60℃),series LC-B,E,L(-41℃~+60℃)

60℃～200℃(with high temp. radiator installed)

4 Explosion-proof mark: ExiaⅡCT5, dⅡBT4

5. Flow range: unit: m³/h

Type	DN	Viscosity (mPa. s)
Type	DN	<0.3	0.3~0.8	0.8~2		2~200		200~1000		1000~2000
LC-10	10		0.2-0.5		0.08-0.5	0.08-0.5	0.05-0.5	0.06-0.3	0.03-0.3	0.03-0.2
LC-15	15		0.75-1. 5		0.3-1.5	0.3-1.5	0.15-1.5 0.3-3	0.2-1.0	0.1-1.05	0.07-0.75
LC-20	20		1.5-3	1-3	0.5-3	0.5-3	0.3-3 1.5-15	0.4-2.1	0.2-2.1	0.15-1.5
LC-25	25	4-6	3-6	2-6	1-6	1-6	0.6-6 1.56-15	0.8-4.2	0.4-4.2	0.3-3
LC-40	40	9-15	7.5-15	5-15	2.5-15	2.5-15	1.5-15	2.1-10.5	1.0-10.5	0.7-7.5
LC-50	50	10-24	8-24	8-24	4.8-24	4.8-24	2.4-24	2.4-16.8	1.6-16.8	1.2-12
LC-B40,50	40,50	8-20	6-20	6-20	4-20	4-20	2-20	2.8-14	1.4-14	1.0-10
LC--65	65	27-40	20-40	15-40	8-40	8-40	4-40	5.6-28	2.8-28	2-20
LC-80	80	40-60	30-60	20-60	12-60	12-60	6-60	8.4-42	4.2-42	3-30
LC-100	100	67-100	50-100	34-100	20-100	20-100	10-100	14-70	6-70	5-50
LC-150	150	127-190	95-190	64-190	38-190	38-190	19-190	26.6-133	13.3-133	9.5-95
LC-200	200	227-340	170-340	114-340	56-340	56-340	34-340	47.6-238	23.8-238	17-170
Accuracy class		0.5	0.5	0.2	0.5	0.2	0.5	0.2	0.5	0.5

Note: If the temperature of the metered liquid is higher than 80℃. the maximum flow fate will be 90% of the primary flow, and the minimum will be 120%.

Installation and Operation

A strainer should be installed in front of the meter, and be sure that the arrows on the casting of the meter and the strainer pointing the same direction of the liquid flow.
If the metered media contains gas, a gas separator should be installed in front of the meter.
Whether the pipe line is vertically or horizontally installed, the wheel’s shaft of the meter must be fixed horizontal, that is, the dial is vertical to the surface.
While the meter is installed properly, the counter may be turned 180°or 90°for easy reading.
Prior to the installation of the new meter, first push the oval wheels from the outlet for several times with a bamboo rod, if the wheels don’t move, they can be immersed in the petrol to prevent from deposits in the meter after the factory’s inspection.
A throttle valve must be fixed at the inlet of the meter, an on-off valve at the outlet, which must be slowly activated to prevent from a sudden impact, reverse flow, and water hammer.
It is forbidden to clean the meter with steam.
For the continuous operated departments, a by-pass should be mounted.
Prior to the installation of the meter, the pipe line must be thoroughly cleaned,and at the time of cleaning use a straight pipeline in stead of the meter,to prevent impurity,welding residue from entering the meter.
It is forbidden to inspect the meter made of cast iron and cast steel using water.
During the operated of the meter the flow rate can’t exceed the flow marked on the mamelon plate. It is preferable to operate the meter at 50—80% of the max. flow.
If the metered media is causticity,stainless steel shall be selected.