Focvpg Series Vortex Precession Gas Flowmeter

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Focvpg Series Vortex Precession Gas Flowmeter

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Performance characteristics of Focvpg Series Vortex Precession Gas Flowmeter

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Product • Structure Detail Drawing

Product Internal Structure｜Decomposition Analysis｜Just to give you a better understanding of the product
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Product • performance index

Various parameters for you to choose｜HUAHAI instruments strive for excellence
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Name	Focvpg Series Vortex Precession Gas Flowmeter
Nominal diameter (mm)	DN25-DN200
Applicable medium	Gas
Accuracy class	1.0% 、1.5%
Pressure class	PN1.6MPa 、 PN2.5Pa 、PN4.0MPa
Medium temperature	-20～80℃
Ambient temperature	-30～60℃
Relative humidity	5%～95%
Atmospheric pressure	86KPa～106KPa
Temperature and pressure compensation	User selection
Working power supply	External power supply：24V DC Internal power supply：3.6V lithium battery
Power consumption of complete instrument	External power supply： Internal power supply：
Output signal	Frequency signal 4-20mA current signal
Communication	RS485 communication、Modbus communication， Can transmit instantaneous flow, accumulative flow, pressure and temperature parameters
Housing material	Aluminum alloy housing（PN≤1.6Mpa） stainless steel shell（PN≤4.0Mpa） PN>4.0Mpa for special specifications
Installation method	Flange installation
Explosion-proof mark	ExdIIBT4
Protection class	IP65

Nominal diameter（mm）	Measuring range（m³/h）
DN25	2.5-30
DN32	4.5-60
DN50	10-150
DN80	28-400
DN100	50-800
DN150	150-2250
DN200	360-3600

Product • Diagram of Outline dimension

Outline and installation dimensions｜Huahai instruments show you one by one
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flowmeter with aluminum alloy housing
Nominal diameter DN(mm)	Pressure class (PN)	Total installation length L(mm)	Total installation height H(mm)	Flange outer diameter D(mm)	Diameter of bolt hole center circle K(mm)	Number of bolt hole n Bolt hole diameter d
20	1.6MPa	160	410	105	75	4-Φ14
25	1.6MPa	180	420	115	85	4-Φ14
32	1.6MPa	200	430	140	100	4-Φ18
50	1.6MPa	232	440	165	125	4-Φ18
80	1.6MPa	330	490	200	160	8-Φ18
100	1.6MPa	413	510	220	180	8-Φ18
150	1.6MPa	575	560	285	240	8-Φ22
200	1.6MPa	700	620	340	295	12-Φ22
Note: 1. All data on the above table is only based on standard Vortex Precession flowmeter； 2. The pressure and caliber not listed in the table are special specifications，special instructions； 3. Above dimensions perform HG20593-2009 flange standard, special instructions;


Outline and installation dimensions table of Vortex Precession flowmeter with stainless steel housing
Nominal diameter DN(mm)	Pressure class (PN)	Total installation length L(mm)	Total installation height H(mm)	Flange outer diameter D(mm)	Diameter of bolt hole center circle K(mm)	Number of bolt hole n Bolt hole diameter d
20	4.0MPa	200	300	105	75	4-Φ14
25	4.0MPa	200	300	115	85	4-Φ14
32	4.0MPa	200	360	140	100	4-Φ18
50	4.0MPa	230	370	165	125	4-Φ18
50	6.3MPa	240	390	180	135	4-Φ22
80	1.6MPa	330	420	200	160	8-Φ18
80	6.3MPa	330	430	215	170	8-Φ22
100	1.6MPa	410	485	220	180	8-Φ18
150	1.6MPa	570	510	285	240	8-Φ22
200	1.6MPa	700	570	340	295	12-Φ22
Note: 1. All data on the above table is only based on standard Vortex Precession flowmeter； 2. The pressure and caliber not listed in the table are special specifications，special instructions； 3. Above dimensions perform HG20593-2009 flange standard, special instructions;

Product • Wiring Diagram

Multiple wiring modes｜Huahai instruments show you one by one
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1. Two-wire system 4~20mA output 报警Alarm 频率Frequency 电流Current 通讯Communication 用户设备User facilities	2. Three-wire system 4~20mA output 报警Alarm 频率Frequency 电流Current 通讯Communication 用户设备User facilities

3. 24V frequency, pulse output	4. Note: the negative pole of the frequency output and the negative pole of the DC 24V share one terminal;Frequency, pulse output must be three-wire system wiring.The wiring is shown below, two-wire system does not support frequency, pulse output. 报警Alarm 频率Frequency 电流Current 通讯Communication 用户设备User facilities

5. RS485 Communication Interface Output（Must be three-wire system wiring）	6. Alarm Signal Output（Must be three-wire system wiring）报警Alarm 频率Frequency 电流Current 通讯Communication 用户设备User facilities