|DN||Standard size||Qmax, m 3 /h||Qmin, m 3 /h|
|#||Elements Legend||Meter's characteristics|
|1||EFS-||Type of the reference meter.|
|2||Т||Type of meter sections: R - rotary|
|3||D||Nominal meter diameter, mm (see Table 1)|
|4||G||Meter standard size (see Table 1)|
5 – 1/5 Qmax,
10 – 1/10 Qmax
20 – 1/20 Qmax
30 – 1/30 Qmax
40 – 1/40 Qmax
50 – 1/50 Qmax
100 – 1/100 Qmax
|6||P||Absolute operating pressure (1,6; 4,0; 6,3) МPа.|
|7||Ak||Meter accuracy: 0,2%, 0.25%, 0,4%|
|8||Ex||Availability of explosion protection: 1 – yes, 0 – no.|
|9||Sm||Counting mechanism: 1 – yes, 0 – no.|
|10||Mp||Availability of seal oil pump: 1 – yes, 0 – no.|
|11||I||Type and quantity of pulse sensors:
0 – no,
1 – one low-frequency (LF),
2 – one high (HF),
3 – one low-frequency (LF) and one high (HF),
4 – two high (HF),
5 – one low-frequency (LF) and two high (HF).
|12||Dp||Availability of the pressure sensor: 1 – yes , 0 – no.|
|13||Dt||Availability of the temperature sensor: 1 – yes, 0 – no.|
|14||S||Section material : S- Steel.20, А – stainless steel.|
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