Rotary Natural Gas Flow Meters

 

RVG rotary gas meters are volume measuring instruments for gaseous media and operate according to the displacement principle. They register the gas volume under working conditions. In order to correct the measured value to the standard volume, electronic volume correctors can be used.

134 EI RVG ST k

RVG-ST G10-G25

Robust compact rotary gas meters for screwed or flange connection in aluminium housing

Diametermm
inch
25-50
1-2
Flow range sizemetric
imperial
G 10 - G 25
5C - 14C
Qmaxm³/h
cfh
16- 40
565 - 1400
Qminm³/h
cfh
0.5
17
Rangeability 1:20 - 1:80
Maximum error of readingQt - Qmax
Qmin - Qt*
±1%
±2%
Repeatability% of readinglt 0.1 %
Body material aluminium
Screwed connectioninch1, 1¼, 1½, 2
Flange ratingsPN
ANSI
16
150
Pressure RangeMPa g
bar g
psi g
0-2
0-20
0-290
Temperature Range
(ambient, process)
standard
optional
-20 to +60 C
-40 to +60 C
Ingress Protection IP67
Indexgradual / continuousby ±90°, 180°
LF-sensorstandard1
HF-sensoroptional1
Lubrication integrated sump

133 EI RVG k

RVG G16 to G400

The RVG G16 to G400 meters operate on the displacement principle in a rangeability of up to 1:160. The housing is made of aluminium or spheroidal graphite iron. The spheroidal graphite iron versions are firesafe up to a pressure of 4 bar. The bearings are lubricated with oil. Two low-frequency pulsers come as standard as well as a tampering control contact. A high-frequency pulser can be supplied on request.

Diametermm
inch
40 - 150
1½ - 6
Flow range sizemetric
imperial
G 16 - G 400
8C - 23M
Qmaxm³/h
cfh
25 - 650
565 - 1400
Qminm³/h
cfh
0.6
21
Rangeability 1:20 - 1:160
Maximum error of readingQt - Qmax
Qmin - Qt*
±1%
±2%
Repeatability% of readinglt 0.1 %
Body material aluminium, ductile iron
Screwed connection no
Flange ratingsPN
ANSI
16
150
Pressure RangeMPa g
bar g
psi g
0-2
0-20
0-290
Temperature Range
(ambient, process)
 -20 to +60 C
Ingress Protection IP67
Indexgradual / continuous
standard
optional
optional
350 °
S1
S1D
Encoder S1D
LF-sensorstandard2 + PCM
HF-sensoroptional1
Lubrication integrated sump

* Qt = 0.2 Qmax for rangeability 1:20
 Qt = 0.1 Qmax for rangeability 1:50
 Qt = 0.05 Qmax for rangeability > 1:50

146 EI IRM 1 Encoder S1D k

IRM-1

The IRM-1 meter basically consists of a measurement module and a pressure housing, separating the flow measurement from the process. The result is a reliable, high performance meter, with unprecedented flexibility.

Diametermm
inch
40 - 100
1½ - 4
Flow range sizemetric
imperial
G 16 - G 250
8C - 14M
Qmaxm³/h
cfh
25 - 400
883 - 14000
Qminm³/h
cfh
0.4
12
Rangeability 1:20 - 1:250
Maximum error of readingQt - Qmax
Qmin - Qt*
±1%
±2%
Repeatability% of readinglt 0.1 %
Body material aluminium, ductile iron
Screwed connection no
Flange ratingsPN
ANSI
16
150
Pressure RangeMPa g
bar g
psi g
0-1.6
0-16
0-232
Temperature Range
(ambient, process)
 -20 to +60 C
Ingress Protection IP65
Indexgradual / continuous
standard
optional
optional
350 °
Universal Index
Compact Index
Multi IndexEncoder S1D
LF-sensorstandard2
HF-sensoroptional2
Lubrication integrated sump

* Qt = 0.2 Qmax for rangeability 1:20
 Qt = 0.1 Qmax for rangeability 1:50
 Qt = 0.05 Qmax for rangeability > 1:50

 
Download Datasheet (Not Available) Download Manual (Not Available)

If you require further information on this product or would like a quotation, please contact dp-flow on:

email:
sales +44(0)1865 600245