Shandong China Coal Group
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chinacoal05
Product Description
Oval gear flow meters are instruments used for the continuous and intermittent measurement and control of the pipe liquid flow, which are typical of positive displacement meter, feature large flow range, low pressure loss, large viscosity range, easy installation, high accuracy and can measure high temperature, high viscosity liquids with easy calibration.
LC oval gear flow meters are fitted with on-site pointer indication and roller integration device which can indicate the liquid flow and intermittent flow passing through the pipeline. For the different liquids (acid, alkali, salt, organic solution etc.), the meters can be made of different materials (cast iron, cast steel, stainless steel etc.). The meters are widely used for the flow measurement in the field of petroleum, chemical, chemical fiber, traffic, food industries and commerce, medical and sanitary departments.
Structure and Operation Principle
Oval gear meter is generally comprised of a flow transducer and a counter mechanism. The main part of the transducer is a measuring chamber which consists of a pair of oval wheels and a sealing coupling. The counter mechanism contains speed reduction gears, adjusting device, counter, and pulse transmitter etc.
Technical Specification
1. Materials of main parts and the nominal operating pressure
2.Accuracy class 0.5, class 0.2 (normal operating temperature -10°C~+60°C)
3. Measured media temp. (environment temperature -41°C~+50°C)
LC-A,B,C: -20°C~+60°C; 60°C~200°C(with high temp. radiator installed)
LC-Q,L: -20°C~+60°C;
4. Explosion-proof mark: ExiaⅡCT5, dⅡBT4
| cover plate | oval wheel | Rotary shaft | Sheath of shaft | Nominal pressure(MPa) | |
LC-A | Cast steel | Cast iron | Stainless steel | Bronze(with oil) or rolling bearing | 1.6 | |
LC-E | Cast steel | Cast iron,Stainless steel | Under DN50 6.3 DN80-100 4.0 DN150-200 2.5 | |||
LC-Q | Cast iron | Cast iron | Alloy aluminum, engineering material | graphite | 1.6 | |
LC-B,C | Stainless steel | Stainless steel | Stainless steel | graphite | 1.6,2.5 | |
LC-L | Cast aluminum | Cast iron, Stainless steel | Alloy aluminum, engineering material | Bronze(with oil),graphite,rolling bearing | 1.6 | |
Notes:1. 0Cr18Ni12Mo2Ti for type JCLC-C; 0Cr18Ni9Ti for type JCLC-B 2. Flange is convex under 2.5MPa ,and roughness at 6.3 MPa;and both of the above at 4.0 MPa. | ||||||