Liquid flowmeter
Gas flowmeter
Special special flow
Display instrument, control instrument/system
Measurement device prizing
Pump, electro-hydraulic valve.it is it lasted
SMITH2014 Oval gear Flowmeter
Published:2012-06-14 00:00 Reading times:8375

Outline

 Smith 2014 oval gear flow meter is a kind of volumetric measuring instruments. which is mainly made up of shell、the oval gear rotor and transmission components. It is used in the pipeline for continuous or intermittent liquid flow measurement and control. It has these advantages : wide range, excellent accuracy, small pressure loss, strong viscosity adaptability, capable for measuring liquids of high viscosity and temperature, convenient calibration, simple to install, etc. Applied to crude oil, chemicals, chemical fiber, traffic, commerce, food, medicine care, scientific research and military industries in the flow measurement. Smith2014 oval gear flow meter can display the cumulative flow, instantaneous flow, a single flow, and so on, can also output pulse signal、4-20mA or 1-5 V analog signals、4-20mA +HART、MODBUS、supporting RS232、RS485 communications. Combinated with Smith mechanical or electronic batch controller,it can realize for different types of filling, control, and other functions approved.
Flow meter are manufactured from precision machining, casting without surface defects, the surface is smooth and beautiful.
Flow meter is designed from patented technology, not demolished and professionals can be installed at the scene, and re-installed, not to change the original measurement accuracy.
Flow meter used waterproof design.
Transmission Chain short, the work is urgent and reliable high precision and stability.
Products small size, light weight, and is particularly applicable to factories, wharves, ships, removal and demolition of the more troublesome areas.
Flow meter site can show that the cumulative flow、 instantaneous flow、a single flow.
NIST (professional standards of USA technical standards Office)
JB / T 9242-1999《volumetric flow meter  GM technical conditions》
QB/SML01-2001 "oval gear flow meter"
<3>Technology Indicators
Basic error:               ± 0.2%     ± 0.5%
Nominal Diameter DN (mm): 4 ~ 300
Nominal Pressure PN (MPa): stainless steel 1.0, 1.6,2.5,4.0,6.3                                                        Carbon Steel 2.5,4.0, 6.3, 9.6
Measured the temperature of the liquid:  -40℃ ~+60℃,    -30℃ ~ +80℃
                                         +60℃~ +200℃,    +100℃~  +300℃
Tested the liquid viscosity(mPa.s):      0.3 ~ 50000
Pipeline Connection: GB/T9118-2000 (China flange); NIST (USA standard flange); BSPT (British Standard Pipe Thread); NPT (the United States pushed and pulled out  thread);
Field Show:   999999999 (cumulative flow)   99999999.9 (single flow)
              9999999.9  (instantaneous flow)
Output signal:  pulse signals, 4 ~ 20mA, 1-5V, 4 ~ 20mA +HART agreement, MODBUS
Support RS232, RS485 communications (optional)
Ex Rank:      ExdIIBT5   ExiaIICT5
Protection Level: IP65   IP67

Functional Outline

Feature

The surface of each part will be have precision processing , no casting surface, the surface is bright,clean and beautiful.
It adopts patent design, Without professional staff it can be disconnected  and pack again later, and it also don't change the measurement precision.
Flowmeter use waterproof design.
The flow can have these functions: accumulated flow, the  instantaneous flow, single flow, etc.
Flowmeter standard: NIST (American professional standards and technology (NIST))
ZBN12001-87 "volumetric flowmeter general technology conditions of
QB/SML01-2001 "elliptical gear flowmeter"

Technology Indicators
Allow basic error: ±0.1% 、±0.2% 、±0.5%
Nominal diameter DN (mm) : 4 ~ 300
Nominal pressure PN (M.P a) : cast iron (a), stainless steel (P) 1. 0, 1.6, 2.5, 4.0, 6.3
Cast steel (E) 2.5, 4.0, 6.3, 9.6
Measured liquid temperature: low temperature type:-40 ~ + 60 ℃ 
                             Normal temperature:-10 ℃ ~ + 80 ℃
                             Middle Temperature type-10 ℃ ~ + 200 ℃
                             high temperature type-10 ℃ ~ + 300℃
Measured liquid viscosity (mPa. S) : 0.3 ~ 50000
Pipe connections: GB/T9118-2000 (China standard flange);
                  NIST (American standard flange);
                  BSPT (the British standard pipe thread) :
                  the NPT (the United States push pull out pipe thread);
Scene shows: 99999999 L (cumulative flow),
             9999999 L (single flow)
             9999999-L (instantaneous flow)
The output signal: the pulse signal, 4 to 20 mA, 1-5 V, 4 ~ 20 mA + HART agreement, MODBUS
Support RS232 and RS485 communication (optional)
Explosion-proof level: EXiaIIBT5EXiaIICT5 protection level: IP65

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