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Type Selection Instructions for Horizontally Installed Metal Tube Rotor Flowmeter

File Name：Type Selection Instructions for Horizontally Installed Metal Tube Rotor Flowmeter
Add Time：2019-04-12 10:30:19
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、產(chǎn)品概述：">Productoverview:
、準(zhǔn)確度高

、適用范圍廣

。">ZW-LZR series horizontal metal tube rotameter has the advantages of simple structure, reliable work, high accuracy, wide application range. 。">Compared with glass rotor flowmeter can resist high pressure. 、電遠(yuǎn)傳

、限位開關(guān)報(bào)警、耐腐蝕

、夾套型

、阻尼型和防爆等品種。">LZ series flowmeter has the local indication, limit switch, electric remote alarm, corrosion resistance, damping and explosion-proof type jacket, etc.. ，特殊場(chǎng)合也可由0Cr18Ni12Mo2Ti 或 F46 等耐腐蝕材料組成

。">Some parts are made of 1Cr18Ni9Ti stainless steel meter testing materials, special occasions can also be composed of 0Cr18Ni12Mo2Ti or F46 corrosion resistant materials.。">In addition to the flowmeter special specifications, the height was 250 mm.，也可根據(jù)用戶特殊要求定制。">Connecting flange with GB/T9119.8 - 10 standard, also can be customized according to the special requirements of users.
、結(jié)構(gòu)和計(jì)量原理：">Second, the structure and principle of measurement:
、結(jié)構(gòu)：">1, structure:
ZW-LZR series horizontal metal tube rotameter is mainly composed of:
，就地指示器）

；">A (Intelligent indicator, indicator, local indicator);
；">B, float;
、錐形測(cè)量室。">C, a conical measuring chamber.
、計(jì)量原理：">2, the principle of measurement:
，當(dāng)浮子所受上升力大于浸在流體中浮子重量，浮子便上升

，環(huán)隙面積就隨之增大

，環(huán)隙處流體流速立即下降，浮子上下端差壓降低

，作用于浮子的上升力亦隨著減少

，直到上升力等于浸在流體中浮子重量時(shí)，浮子便穩(wěn)定在某一高度

。">On the lower end of the measured medium from the measuring tube through a conical float generating differential pressure form the upward force, when the float on the lift is greater than immersion float in the fluid weight, the float will rise, annulus area increases, the annulus fluid velocity decreased immediately, float on the lower pressure reduced, to float up with the decrease in stress, until the lift is equal to the weight of the float when immersed in a fluid, the float will stabilize at a certain height.。">The float position that corresponds to the size of the measured medium flow.，磁場(chǎng)隨浮子的移動(dòng)而變化

。">A built-in magnet, the float with the medium moves up and down, with the movement of the float magnetic field changes.
，由就地指示器中的旋轉(zhuǎn)磁鋼與浮子內(nèi)磁鋼耦合

，而發(fā)生轉(zhuǎn)動(dòng)，同時(shí)帶動(dòng)指針，通過刻度盤指示出此時(shí)的流量大小

。">A, for in situ, by rotary magnetic float and the local indicator in the inner magnetic coupling, rotate, and drives the pointer, through the dial indicates the size of the flow.
、對(duì)于智能型，由智能型指示器中的一個(gè)固態(tài)磁傳感器將磁場(chǎng)的變化轉(zhuǎn)化成電信號(hào)

，經(jīng)A/D變換

、微處理器，D/A輸出

，LCD液晶顯示

，來顯示出流量的大小及累積流量。">B, the intelligent, by a solid state magnetic sensor intelligent indicator in the magnetic field will change into electrical signal output by A/D transform, D/A microprocessor, LCD liquid crystal display to show the size and cumulative flow flow.
、廣泛應(yīng)用：">Three, widely used:
，石油、化工

、發(fā)電

、制藥、食品

、水處理等

。">The installation of ZW-LZR series horizontal metal tube rotameter is widely used in petroleum, chemical, power, pharmaceutical, food, water treatment, etc.. ，及各種介質(zhì)條件的流量測(cè)量過程中

。">The complex, harsh environmental conditions, the flow measurement process and various medium conditions in.
Fourth, the product structure:
、采用全金屬結(jié)構(gòu)

，有普通型、阻尼型

、高溫型

、高壓型

。">1, with all metal structure, common type, high temperature, high pressure, damping type type type.
、根據(jù)客戶管道情況，測(cè)量管結(jié)構(gòu)可分為：下進(jìn)上出

、下進(jìn)上橫出

、下橫進(jìn)上橫出、右進(jìn)左出

、左進(jìn)右出

。">2, according to the customer the pipe, the measuring tube structure can be divided into: in the cross, lower upper and lower transverse into cross, right into the left, the left into the right.

。">3, this series of metal tube rotameter consists of 2 parts: the measuring tube and indicator.

、導(dǎo)向器、止動(dòng)器、浮子等部件

，指示器包括磁隨動(dòng)系統(tǒng)

、指針、刻度盤

、線路等組件

。">The measuring tube comprises a conical tube or plate, guide, stopper, float and other components, including magnetic indicator servo system, a pointer, a dial, lines and other components.
Fifth, main features:

、全金屬結(jié)構(gòu)

，堅(jiān)固穩(wěn)定，適合高溫高壓

，強(qiáng)腐蝕性介質(zhì)

。">1, all metal structure, strong stability, suitable for high temperature and high pressure, strong corrosive medium.

，原裝進(jìn)口繼電器輸出

，保證動(dòng)作可靠。">2, using the isolation design, imported relay output, to ensure reliable operation.
、于各行業(yè)的氣體和液體測(cè)量

，測(cè)量部分可采用不同的材質(zhì)來適應(yīng)不同的介質(zhì)條件。">3, in all sectors of the measurement of gas and liquid, the measuring part can be using different materials to adapt to various medium conditions.
、垂直

、水平、各種安裝方式更適合不同使用場(chǎng)合

。">4, the vertical and horizontal installation, more suitable for different occasions.
、磁性耦合結(jié)構(gòu)確保數(shù)據(jù)傳輸、信號(hào)更加穩(wěn)定

。">5, the magnetic coupling structure to ensure data transmission, more stable signal.
、可加磁過濾器，可帶保溫或夾套設(shè)計(jì)

。">6, magnetic filter, with thermal insulation or jacket design.

、垂直、水平

、各種安裝方式更適合不同使用場(chǎng)合

。">7, the vertical and horizontal installation, more suitable for different occasions.
、可用于易燃

、易爆危險(xiǎn)場(chǎng)合。">8, can be used in flammable and explosive occasions.

、技術(shù)參數(shù)：">Six, technical parameters:

，2.5-150000L/h

，空氣（20℃

，0.1013MPa）0.07-4000Nm3/h；">Measuring range: water (20 C), 2.5-150000L/h, air (20 DEG C, 0.1013MPa 0.07-4000Nm3/h);

；">Range: 10:1;

；">Measurement accuracy: 1.5/2.5;
Working pressure: 6.4MPa;

；">Working temperature: -40 to 350 DEG C (fluorine plastic lined -10 to 80 DEG C);

；">Ambient temperature: -20 to 80 DEG c;

；">Medium viscosity: DN15 = DN25, DN150 = ~;

；">Tube material: 1Cr18Ni9Ti, 316L, PTEF lining;

；">Installation: flange, or as required;

；">The basic error: 1.5%;
Output signal: 4 ~ 20mA;

；">Load impedance: 350 ohms;

；">Power supply: 24VDC;
Electrical connection: M20 * 1.5;

。">Explosion proof mark: ExibIICT4.

、結(jié)構(gòu)分類說明：">Seven, structure classification:
1, the high temperature structure (G type)

。">High temperature structure type (G type) is used for medium temperature is too high or too low and the need to take measures on the insulation of the measuring tube medium flow measurement.

、增加隔熱材料厚度，保證指示器工作在允許的環(huán)境溫度范圍內(nèi)

。">The high temperature structure is increased and the distance between the measuring tube indicator to increase heat dissipation and increase the insulation thickness, ensure the working environment temperature indicator in the allowable range.

。">The selection of the "G" type.
Flow type G metal tube rotameter can measure the temperature of -80 DEG -+300 DEG medium.
、帶阻尼器裝置的結(jié)構(gòu)（Z型）">The structure of 2, with a damper device (Z type)
，特別是對(duì)于氣體的測(cè)量。">Damper structure type flowmeter for entrance flow (pressure) medium flow measurement is unstable, especially for gas measurement.
、夾套型結(jié)構(gòu)(T型)">3, jacket type structure (T type)
。">Jacket structure for heating or cooling of needs (such as high viscosity and flow measurement of the medium Yi Jiejing).

。">In the jacket by heating or cooling medium, low boiling fluid and vaporization crystallization.
Import and export with thermal medium connection standard to use HG20594-97 DN15 PN1.6 flange, flange connection and other specifications may be marked with production plant, pressure rating jacket for 1.6MPa.

、外形尺寸圖。">Jacket type flowmeter structure see FA standard flange type flowmeter and the size of map.

、高壓型結(jié)構(gòu)(Y型)">4, high pressure type structure (Y type)
High pressure type structure for media pressure is greater than the standard pressure level measurement.

。">High pressure type structure as shown below.

。">At present, the maximum pressure can reach 32MPa FFM64 series.In addition high pressure type flowmeter can provide built-in magnetic filter type, installation height is 350mm.

、FB和FC型***大壓力為10MPa

。">FA, FB and FC type maximum pressure of 10MPa.
Eighth, the installation should follow the following steps:

、在安裝到工藝管道之前

，應(yīng)拆卸所有安裝并檢查有沒有運(yùn)輸損壞；">1, before installation to process piping, should remove all installed and checked for any transport damage;

、為防止在運(yùn)輸途中,指示器中裝有固定指針的橡皮筋,接線前應(yīng)打開指示器左蓋把它輕輕取走

，不要指針位置變化；">2, in order to prevent in transit, with a rubber band fixed pointer indicator, indicator should open the left cover it gently removed before connection, do not change the pointer position;

、打開指示器右蓋

，電纜線穿過電纜引入裝置后，按旋轉(zhuǎn)角變送器的接線圖接線后

，旋緊壓螺母

，使電纜固定，然后旋緊左右蓋的緊固螺釘

，使指示器防水防塵

；">3, open the indicator of the right cover, cable through the cable introducing device, according to the wiring diagram wiring rotation transmitter, pressure screw nut, the cable is fixed, and then tighten the fastening screws around the cover, the indicator of waterproof and dustproof;

，儀表上游直管段長(zhǎng)度應(yīng)保證是儀表公稱口徑的5倍

，下游直管段長(zhǎng)度h2不少于250mm；">The upstream and downstream pipeline 4, instrument and instrument should be the same caliber, flange or threaded connection should be matched with the flange and screw instrument, instrument upstream straight pipe length should ensure that the instrument is 5 times the nominal diameter, downstream straight pipe length not less than H2 250mm;
、由于儀表的測(cè)量機(jī)構(gòu)采用的是磁傳遞

，所以為了保證浮子流量計(jì)的性能，傳感器的安裝周圍至少100mm處

，不允許有鐵磁性物質(zhì)存在

；">5, the instrument measuring mechanism is magnetic transfer, so in order to ensure the performance of rotameter installed around the sensor, at least 100mm, the existence of ferromagnetic material is not allowed;
，防止管道中滯留的鐵磁性物質(zhì)附著在儀表里

，影響儀表的性能，甚至?xí)p壞儀表.如果不可避免

，應(yīng)在儀表的入口安裝磁過濾器

；">Before installation, 6 meter pipeline sweeping shall be carried out, to prevent the retention of ferromagnetic material in the pipeline is attached to the instrument, the instrument performance, or even damage the instrument. If unavoidable, should be installed at the entrance of the magnetic filter instrument;
，將會(huì)在浮子處產(chǎn)生壓降,并引起數(shù)據(jù)失真

。">7, the measurement of gas meter is calibrated in special pressure, if the gas meter in the outlet directly discharged into the atmosphere, will produce a pressure drop in the float, and lead to data distortion.，以便能對(duì)所需流量值進(jìn)行設(shè)定

，當(dāng)浮子上維持標(biāo)校壓力時(shí)

，氣體將在閥門處膨脹；">If this is the working conditions, should install a valve in the instrument exports, so that the required flow value is set, when the float to maintain calibration pressure, gas expansion in valve;
、儀表的安裝形式分為垂直安裝和水平安裝

，如果是垂直安裝形式，應(yīng)保證儀表的直度優(yōu)于1%

；如果是水平安裝形式應(yīng)保證儀表的水平度優(yōu)于1%

；">The installation form 8, instrument installation for vertical and horizontal installation, if it is installed in a vertical straight form, should ensure that the instrument is better than 1%; if the level of installation form should ensure that the level of less than 1% meters;
，儀表的出口和入口應(yīng)有合適的管道支撐,可以使儀表處于***小應(yīng)力狀態(tài)

；">9, installed in the pipeline in the instrument should not be subject to stresses, the instrument should be a proper entrance and exit pipe support, can make the instrument in the minimum stress state;

，須***在安全場(chǎng)所進(jìn)行

。">10, products and computer related to calibration and other operations, must be in a safe place.
The installation notes:

、儀表到達(dá)現(xiàn)場(chǎng)

，在安裝到工藝管線之前，應(yīng)開箱拆卸所有包裝并仔細(xì)檢查儀表是否有運(yùn)輸損壞

。">1 instrument, arrived at the scene, before installing the pipeline to remove all packing and unpacking, should carefully check whether the instrument for transport damage.
、儀表在安裝前，對(duì)工藝管線應(yīng)進(jìn)行吹掃清理

，防止管道中留有鐵磁性雜質(zhì)附屬在儀表的浮子上

，影響儀表的正常測(cè)量，嚴(yán)重的會(huì)造成儀表的損壞

。">2, the instrument before installation, the pipeline should be blowing clean, prevent pipeline have ferromagnetic impurities attached to the instrument on a float, affect the normal measuring instruments, will cause serious damage to the instrument.，應(yīng)在儀表的入口安裝磁過濾器。">If cannot avoid, should be installed in the entrance of the magnetic filter instrument.
、由于儀表的測(cè)量機(jī)構(gòu)采用磁傳遞和磁電信號(hào)處理器

，為保證儀表的正常使用和性能，安裝范圍至少500mm 內(nèi)不允許有鐵磁性物質(zhì)

、強(qiáng)磁場(chǎng)和較強(qiáng)的電磁場(chǎng)存在

。">3, because of the measuring mechanism of instrument by using magnetic transmission and magnetic signal processor for normal use and performance guarantee instrument, installation of a range of at least 500mm are not allowed in the presence of ferromagnetic materials, strong magnetic field and strong electromagnetic field.
，不應(yīng)受到應(yīng)力的作用

，儀表的出入口，應(yīng)有合理的管道支撐

，使儀表在工藝管道上受到***小的應(yīng)力

。">4, installed in the pipeline in the instrument, should not be subject to stresses, instrument entrances should be reasonable to support, so that the instrument is the minimum stress in the process pipeline.
，垂直安裝的儀表

，應(yīng)保證儀表的垂直度

，傾斜偏差不大于3 度

；水平安裝的儀表

，應(yīng)保證儀表的水平直度，傾斜偏差不大于3 度

。">5, instrument installation is divided into horizontal and vertical installation installation, vertical installation of the instrument, instrument should ensure the verticality, tilt deviation is not greater than 3 degrees; the level of instrument installation, should guarantee the instrument level straightness, angle deviation is not greater than 3 degrees.
、儀表在安裝時(shí)，上下游管道的口徑應(yīng)與儀表的口徑相同

，連接法蘭應(yīng)相互匹配

；為保證儀表的測(cè)量精度和穩(wěn)定性，儀表上游直管段長(zhǎng)度為儀表公稱口徑的5 倍

，下游直管段***小長(zhǎng)度為250mm

。">6, the instrument at the time of installation, the upstream and downstream pipeline diameter and the instrument should be the same caliber, the flange should be matched with each other; in order to ensure the accuracy and stability of the instrument, the instrument upstream straight pipe length is 5 times the nominal diameter of the instrument, the minimum length of 250mm downstream straight pipe.
，如果儀表直接向大氣中排放氣體

，會(huì)造成儀表的數(shù)據(jù)失真甚至儀表的損壞。">7, the measurement of gas meter, gas meter if discharge directly to the atmosphere, even damage the instrument will cause distortion meter data. ，應(yīng)在儀表的出口處安裝節(jié)流閥

。">In this condition, the throttle valve should be installed at the exit of the instrument.
，要特別小心

，在低溫條件下，P T F E 在壓力的作用下也會(huì)變形

，所以安裝時(shí)不要隨意擰緊

。">8, install the P T F E lining instrument, to be especially careful, at low temperatures, P T F E will deform under the action of pressure, so do not tighten the installation.
，要盡量避免陽光直射顯示器

，以免降低液晶使用壽命；帶有鋰電池供電的儀表

，要盡量避免陽光直射

、高溫環(huán)境（≥65℃）以免降低鋰電池的容量和壽命。">9, with a liquid crystal display instrument, to avoid direct sunlight, so as not to reduce the service life of the liquid crystal; with lithium battery powered instruments, to avoid direct sunlight, high temperature (65 DEG C) to reduce the capacity and lifetime of lithium battery.
、產(chǎn)品維護(hù)：">Ten, product maintenance:
、在長(zhǎng)期的使用過程當(dāng)中，管道內(nèi)不可避免會(huì)有鐵磁性雜質(zhì)吸附在浮子上

，這樣會(huì)將浮子卡死或影響測(cè)量精度

，要時(shí)常對(duì)傳感器內(nèi)浮子進(jìn)行清洗；如果安裝磁過濾器

，也要進(jìn)行定期清洗

。">1, in the process of long-term use, the pipeline inevitably there will be ferromagnetic impurity adsorption on the float, it will float stuck or affect the measurement accuracy, from time to time to clean the sensor float; if the installation of magnetic filters should be cleaned regularly.
、儀表指示器內(nèi)裝有電子元件，儀表接線或拆卸殼體后

，要將螺釘旋緊

，須***保證殼體的密封性，防止雜質(zhì)

、水或其它物質(zhì)進(jìn)入

，同時(shí)還要保證儀表殼體的可靠接地。">2, the instrument indicator with electronic components, instrument wiring or demolition of housing, to housing screws, must ensure sealing, prevent impurities, or other material into the water, and also to ensure reliable earthing of the meter casing.
、儀表安裝后

，*********次使用時(shí)，要注意：">3, instrument installation, on first use, should pay attention to:

，造成儀表的損壞

，一定要緩慢地打開閥門！">When the valve is opened to avoid the formation of pressure shock makes the float slamming limiting device, causing damage to the instrument, slowly open the valve!

，以***大程度的減小浮子的震蕩

；為確保浮子的穩(wěn)定性，可以在儀表的出口安裝一節(jié)流閥

。">The measurement of gas meter is equipped with gas damper, to minimize the shock; to ensure the stability of the float, a throttle valve can be installed in the instrument export.
、對(duì)于遠(yuǎn)傳型儀表，首先要保證儀表的接線正確后

，方可通電

；對(duì)于危險(xiǎn)場(chǎng)合，須***選擇防爆型

，并按防爆要求進(jìn)行安裝使用

。">4, for the remote type instrument, we must first ensure that the instrument wiring correctly, keeps power; for dangerous situations, must choose the explosion-proof, and the installation and use of proof required by the.

Table eleven, technical parameters:

Path (mm)	Flow range			The pressure loss of KPa
	Water L/h		Air m3/h	water		atmosphere
	The conventional type	Anti-corrosion type	The conventional type / anti-corrosion type	The conventional type	Anti-corrosion type	atmosphere
Fifteen	2.5-25 4.0-40 6.3-63 10-100 16-160 25-250 40-400 63-630	2.5-25 4.0-40 6.3-63 10-100 16-160 25-250 40-400	0.07-0.7 0.11-1.1 0.18-1.8 0.28-2.8 0.48-4.8 0.7-7.0 1.0-10.0 1.6-16.0	Six point five Six point five Six point six Six point six Six point eight Seven Eight point six Eleven point one	Five point five Five point five Five point six Five point six Five point eight Six point one Seven point three	Seven point one Seven point two Seven point three Seven point five Eight Ten point eight Ten Fourteen
Twenty-five	100-1000 160-1600 250-2500 400-4000	63-630 100-1000 160-1600 250-2500	3-30 4.5-45 7-70 11-110	Seven Eight Ten point eight Fifteen point eight	Five point nine Six Six point eight Nine point two	Seven point seven Eight point eight Twelve Nineteen
Fifty	630-6300 1000-10000 1600-16000	400-4000 630-6300 000-10000	18-180 25-250 40-400	Eight point one Eleven Seventeen	Six point eight Nine point four Fourteen point five	Eight point six Ten point four Fifteen point five
Eighty	2500-25000 4000-40000	1600-16000 2500-25000	60-600 80-800	Eight point one Nine point five	Six point nine Eight	Twelve point nine Eighteen point five
One hundred	6300-63000	4000-40000	100-1000	Fifteen	Eight point five	Nineteen point two
One hundred and fifty	20000-100000		600-3000	Nineteen point two		Twenty point three

、選型表：">Twelve, selection table:

Specification code				Explain
The name of the factory	ZW			Zhongwei control
Instrument types		LZ		Metal tube rotameter
structural style		A		In the next
		B		Progress under the
		C		Side measure
		D		The bottom side
		R		Right into the left out
		L		The left into the right
		K		Clamp connection (sanitary polishing tube)
		W		Threaded connection
Size code		- XXX		DN15 said: 15 cases
The measuring tube material		R1		，304">1Cr18Ni9Ti, 304
		R0		0cr18Ni12M02Ti, 316
		RL		316L
		RP		PTFE (PTFE)
		Ni		Hastelloy (Hastelloy C)
		Ti		TitHXium (Tai Hejin)
Media type		L		liquid
		G		Gas
working temperature		H1		- 40 -100 OC
		H2		- 80 -250 OC
Rated pressure		One point six		1.6MPa
		Four		4.0MPa
		Sixteen		16MPa
		Twenty-five		25MPa
Additional structure		O		nothing
		Z		Damping type
		T		Jacket
		H		High temperature type
		Y		High pressure type
Form indicator			M1	Local indication
			M2	Intelligent
			M3	Intelligent (explosion)
The output signal in the communication			N	nothing
			A	4-20mA
			H	4-20mA+Hart
Alarm controller			K1	The upper limit alarm
			K2	Alarm
			K12	、下限報(bào)警">The upper and lower limit alarm
Explosion proof type			E1	Intrinsically safe EXiaCT5 square casing
			E2	Flameproof shell EXiibt4 Park
Power supply			Zero	24VDC (optional)
			Two	220VAC
			Three	The 3.6 volt lithium battery

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