Overview
The JC-LG series orifice plate, combined with a differential pressure gauge, is designed to measure the flow of liquids, gases, and steam. It is widely used in industries such as petroleum, chemical, metallurgy, power, and light industry. This product adheres to relevant standards, offering features such as simple structure, high accuracy, safety, reliability, and a broad range of applications.
The JC-LG series orifice plate is a standard throttling element that can be produced directly according to national and international standards without the need for calibration. The applicable standards include:
National Standard GB/T2624-2006: "Measurement of Fluid Flow by Means of Pressure Differential Devices Inserted in Circular Cross-section Conduits Running Full."
International Standard ISO5167:2003(E): "Measurement of Fluid Flow by Means of Pressure Differential Devices Inserted in Circular Cross-section Conduits Running Full."
Product Features
● Wide application in gas, steam, and liquid flow measurement.
● Suitable for both high and low-pressure environments.
● Simple structure and easy installation.
● Accurate measurement and stable performance.
● Broad usage range with low cost.
JC-LG | Orifice Plate |
| Index | Throttling Device Form |
| Table 1 | Represented by Letters |
Index | Pressure Tapping Method |
Table 2 | Represented by Letters |
Index | Nominal Diameter |
Table 3 | Represented by Letters |
Index | Nominal Pressure |
Table 4 | Represented by Letters |
Index | Straight Pipe Section |
Table 5 | Represented by Letters |
Table 1: Throttling Device Form (Represented by Letters) |
Index | Name | Index | Name |
K | Standard Orifice Plate (With Ring) | S | Double Nozzle |
Y | Standard Orifice Plate (No Ring) | D | 1/4 Circle Nozzle |
H | Annular Orifice Plate | C | Long Neck Nozzle |
P | Standard Nozzle | I | Eccentric Orifice Plate |
W | Standard Venturi Tube (Rough) | Q | Segmental Orifice Plate |
J | Standard Venturi Tube (Machined) | B | Eight-Slot Orifice Plate |
T | Standard Venturi Tube (Welded) | X | Small Orifice Plate |
L | Venturi Nozzle | V | Restriction Orifice Plate |
JYF | Wing Type Flow Meter |
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Table 2: Pressure Tapping Method (Represented by Letters) |
Index | Name | Index | Name |
H | Ring Chamber Tapping | A | 22.5° from Inlet |
Z | Drilled Tapping | B | 45° from Inlet |
F | Flange Tapping | T | Special Tapping |
J | Radius Tapping |
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Table 3: Nominal Diameter (Represented by Codes) |
Index | 02 | 03 | 04 | 05 | 06 | 08 | 10 | 12 | 15 |
(mm) | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 |
Index | 17 | 20 | 22 | 25 | 27 | 30 | 32 | 35 | 37 |
(mm) | 175 | 200 | 225 | 250 | 275 | 300 | 325 | 250 | 375 |
Index | 40 | 45 | 50 | 60 | 70 | 80 | 90 | 99 |
|
(mm) | 400 | 450 | 500 | 600 | 700 | 800 | 900 | 1000 |
|
Table 4: Nominal Pressure (Represented by Codes) |
Index | 00 | 01 | 02 | 03 | 04 | 06 | 10 | 16 | 25 | 32 | 40 |
(MPa) | 0.6 | 1.0 | 1.6 | 2.5 | 4.0 | 6.4 | 10 | 16 | 25 | 32 | 40 |
Table 5: Straight Pipe Section (Represented by Letters) |
Index | Name |
A | Without Upstream and Downstream Section |
B | With Upstream and Downstream Section |
C | With Sections and Connection Flange |
