Shanghai Cowell Machinery Co., Ltd.
High Quality Products, Sincere Attitude, Mutual Benefit
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Description
The helical rotor flowmeter is the latest generation of volumetric flowmeter manufactured by our company, as it adopts a pair of helical rotors with special tooth profile, it has prominent characteristics of no pulse, extremely low noise, high precision, high reliability, big flow and high environment adaptability. It is widely used in the commercial trade metering and engineering management and control of petrochemical, metallurgy, electronic and wharf departments .
Technical Parameters
1. Accuracy class: 0.5%, 0.2%
2. Repeatability: not exceed 1/3 of the absolute value of the basic error limit of the flowmeter
3. Output signal: 4~20mA, pulse
4. Environment temperature: -400C~500 C
5. Temperature: general -200C-1000C , if adding cooling tube max. 2800C
6. Viscosity: 0.3~3000mPa.s
7. Enclosure rating: NEMA4(IP65)
8. Material and Nominal Pressure of Main Components
Flow Rate
|
Model |
Diameter |
Viscosity (mPa.s) | ||||||||
| 0.3~0.8 | 0.8~2 | 2~15 | 15~400 | 400~1000 | 1000~2000 | 2000~3000 | ||||
| Gasoline | Kerosene | Diesel | Heavy oil | Liquid high viscosity | ||||||
| LLT025 | 25 | 3.5~8 | 3~10 | 2~10 | 2~10 | 2~8 | 2~8 | 2~6 | ||
| LLT040 | 40 | 8~20 | 5.5~22 | 4.5~22 | 4.5~22 | 4~18 | 4~18 | 3~12 | ||
| LLT050 | 50 | 15~36 | 9~36 | 7~36 | 7~36 | 6~25 | 6~25 | 4.5~18 | ||
| LLT080 | 80 | 30~80 | 20~80 | 15~80 | 15~80 | 14~56 | 14~56 | 10~40 | ||
| LLT100 | 100 | 40~100 | 25~100 | 20~120 | 20~120 | 18~72 | 18~72 | 14~55 | ||
| LLT150 | 150 | 88~220 | 57~225 | 44~220 | 44~220 | 38~150 | 38~150 | 25~100 | ||
| LLT200 | 200 | 150~360 | 90~360 | 72~360 | 72~360 | 50~210 | 50~210 | 40~160 | ||
| LLT250 | 250 | 180~540 | 135~540 | 100~540 | 100~540 | 90~360 | 90~360 | 60~240 | ||