Sonic Nozzle Gas Flow Calibration Device from China Manufacturer

Introduction Features Specifications Model Selection Application Device composition

Introduction

Venturi nozzles, as standard flowmeters, are used for flow verification or testing by the standard meter method. Under the premise of meeting the verification requirements for different types of flowmeters, this device highlights the characteristics of low inaccuracy, wide range, high degree of automation, a wide variety of inspected instruments, reasonable structure, environmental protection, energy conservation and novelty.

This device can address:
Gas turbine flow meter
Vortex flow meter
Gas Roots flow meter
Swirl flow meter
Thermal gas mass flow meter
Gas ultrasonic flow meter
Conduct factory inspection and periodic verification.

Features

1.The device has a compact structure, good repeatability and reliability. The fluid is pollution-free to the atmosphere, safe and reliable, with stable flow and temperature, and will not affect the calibration accuracy.

2.The nozzle has a simple structure, is sturdy and durable, easy to replicate and inspect, and the uncertainty of its outflow coefficient is ≤ 0.2%.

3.Innovatively adopting a high vacuum Angle valve, this valve features a fast action response speed. For instance, the ISO160 switch response speed is 1 second, and it is even faster for small valves. It also features an extremely long service life (800,000 switching actions) and an ultra-low leakage rate of 1.3×10¯7Pa.√ S ⁻ ¹.

4.The air source is multiple sets of Roots blowers, which are flexible in combination. Variable frequency control saves operating costs.

5.When the device is in operation, multiple nozzles can be freely combined according to the flow rate, thus ensuring a wide measurement range. The lower limit is 0.5M³/h and the upper limit flow rate is 1000M³/h. A larger flow rate can be designed according to the customer's requirements.

6.The temperature transmitter and the absolute pressure transmitter adopt the multiple averaging method to further ensure the accuracy of the collected data.

7.The unique balance valve design effectively prevents the fan from overturning and reduces the secondary noise caused.

8.Different pressure ratios can be achieved by using different front and rear hysteresis containers for nozzles of different sizes. Save 30% of electricity. (During special calibration)

9.The automatic watch clamping device adopts precision linear guides and positioning smooth rods, which greatly enhances the efficiency of watch clamping and the sealing effect.

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10.The software interface is friendly, clear and easy to understand, reasonably designed and highly automated.

Specifications

The site space dimensions are approximately 15 meters ×7 meters ×2.5 meters (reference dimensions, and the final design will be based on the on-site dimensions of the customer).

Calibration device flow range: 0.5-1000m³/h

The comprehensive accuracy of this equipment is 0.31%

The pipe material is 304 stainless steel, and the frame part is carbon steel with spray painting treatment

This equipment can verify diameters ranging from DN15 to DN100.

The marked instruments include helical vortex flowmeters, vortex flowmeters, gas turbine flowmeters, gas volumetric, thermal gas mass flowmeters and other gas instruments.

Flow distribution of sonic nozzles

Nozzle seat number	PZ01	PZ02	PZ03
Nozzle number	YSPZ36001	YSPZ36002	YSPZ36003
Flow rate value: m³/h	0.5	1	2
Nozzle seat number	PZ04	PZ05	PZ06
Nozzle number	YSPZ36004	YSPZ36005	YSPZ36006
Flow rate value: m³/h	4	8	16
Nozzle seat number	PZ07	PZ08	PZ09
Nozzle number	YSPZ36007	YSPZ36008	YSPZ36009
Flow rate value: m³/h	32	64	128
Nozzle seat number	PZ10	PZ11	PZ12
Nozzle number	YSPZ36010	YSPZ36011	YSPZ36012
Flow rate value: m³/h	256	512	1024
Nozzle seat number	PZ13	PZ14
Nozzle number	YSPZ36012	YSPZ36012
Flow rate value: m³/h	1024	1024

Absolute pressure transmitter (imported EJA sensor)
Temperature transmitter (Class A accuracy)

Model Selection

Please select any one parameter from each of the following tables

Flow range unit: m³/h

0.016~16

0.05~1024

0.5~3000

0.5~5000

1~10000

Instrument type

Gas Roots Flow Meter

Gas Turbine Flow Meter

Swirl Flow Meter

Metal Rotor Flow Meter

Gas Ultrasonic Flow Meter

Thermal Mass Flow Meter

Diameter range (mm)

DN4~DN25

DN25~DN100

DN25~DN200

DN25~DN300

Signal output

Pulse output 4~20mA RS485

Mechanical dial pointer dial

......

Connection method

Clamp connection

Wafer connection

Flange connection

Installation method

Horizontal installation

Vertical installation

Plug-in installation

Application

Industrial process

Energy measurement

Environmental protection engineering

Transportation

Biotechnology

Scientific experiment

Marine meteorology

Rivers and lakes

Device composition

This device is divided into four parts, namely the inspected meter system, the constant flow system, the power source module and the standard instrument module

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