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Gas Meters - Diaphragm

DIAPHRAGM GAS METERS

Max Capacity
Dimensions (mm) meterdia
Part No.
Size
Test Point
m³/hr
m³/hr at 0.5mbar
Pressure loss
A
B
C
D
E
Max. working pressure mbar
Meter Connection Size
18668*
G1.6
N
2.5
1.1
100
128
44
100
197
100
 1/2" BS TM
8293
G4
Y
6
2.6
110
215
70
165
236
500
 1" BS 746
18409
G4P
Y
6
4
130
231
78
187
276
100
 1" BS 746
12845
G4
Y
6
2.6
152.4
235
68.5
165
250
500
 1 " BS 746
19957
U6P
Y
6
4
152.4
223
81
188
282
50
 1" BS 746
10320
SC6
Y
6
4
N/A
240
N/A
170
302
75
 1"BSPF inlet, 3/4" BSPF outlet
18410
G6
Y
10
5.5
130
231
78
187
276
500
 1" BS 746
18411
G6P
Y
10
5.5
130
231
78
187
276
500
 1" BS 746
18412
G10
Y
16
8.5
280
395
93
214
345
500
 1.1/4" BS 746
18413
G10P
Y
16
8.5
280
395
93
214
345
500
 1.1/4" BS 746
19958
U16P
Y
16
12
152.4
343
160
346
283
75
 1.1/4" BS 746
18414
G16P
Y
25
12.5
280
395
93
214
345
500
 2" BS 746
19959
U25P
Y
25
18.5
250
406
138
298
405
75
 2" BS 746
18415
G25P
Y
40
25
335
538
151
308
520
200
 2" BS 746
19960
U40P
Y
40
32
280
476
180
380
505
75
 2" BS 746
18416
G40P
N
65
40
720
666
214
434
796
200
 100 mm (4") PN 6 side flanged
19961
U65P
N
65
34
335
615
180
380
550
75
 65 mm (2.1/2") PN10 flanged
18417
G65P
N
100
50
720
666
214
434
796
200
 100 mm (4") PN 6 side flanged
19979
U100P
N
100
70
430
749
255
523
630
75
 80 mm (3") PN10 flanged
19980
U160P
N
160
100
430
749
255
523
629
75
 100 mm (4") PN10 flanged

The larger capacity meters above are very bulky. For some applications the compact turbine meters are worth considering.

G1.6 to G65 Meters

Manufactured by BS EN ISO 9001:2008 companies in Europe, certified under the European certification regime, and sealed.
Check in the above table that these meters have the inlet/outlet dimension ‘A’ and thread size which meet your requirements because these may differ from the traditional ‘UK’ dimensions. Meters read in cubic metres.All these meters are fitted with a test point except P/Ns 18416, 18417 and 18668.

Suffix P indicates a meter with a pulse facility; a pulse plug with lead is supplied with all such meters. This need not be used.

Part No.DescriptionUnit PriceQty
 8293 G4 Gas Meter (cubic metre) 1-9 £37.12
   10+ £30.07  
 18409 G4P Gas Meter (cubic metre) £74.70
 18410 G6 Gas Meter (cubic metre) £90.78
 18411 G6P Gas Meter (cubic metre) £115.47
 18412 G10 Gas Meter (cubic metre) £189.77
 18413 G10P Gas Meter (cubic metre) £215.46
 18414 G16P Gas Meter (cubic metre) £221.26
 18415 G25P Gas Meter (cubic metre) £488.10
 18416 G40P Gas Meter (cubic metre) £1,007.50
 18417 G65P Gas Meter (cubic metre) £1,162.90

U6 to U160 Meters

Manufactured in the UK by BS EN ISO 9001:2008 companies. Low pressure-drop meters manufactured and certified as conforming to BS EN 1358:1999. Ofgas sealed. These meters have the same inlet/outlet dimension ‘A’ and threads as the meters fitted historically by British Gas. Meters read in cubic metres. Fitted with a test point, except P/Ns 19961, 19979 and 19980. Suffix P indicates a meter with a pulse facility ; a pulse module and lead is not supplied with these meters.
This facility need not be used.

See bottom of this web page for explanation of P.
Part No.DescriptionUnit PriceQty
 19957 U6P Gas Meter (cubic metre) £77.17
 19958 U16P Gas Meter (cubic metre) £243.03
 19959 U25P Gas Meter (cubic metre) £533.74
 19960 U40P Gas Meter (cubic metre) £737.49
 19961 U65P Gas Meter (cubic metre) £1,059.18
 19979 U100P Gas Meter (cubic metre) £1,911.52
 19980 U160P Gas Meter (cubic metre) £2,266.34

G4 Meter with dimension 'A' the same as a U6 meter.

Manufactured by a BS EN ISO 9001:2008 company in Italy, certified and sealed. This meter has the same inlet/outlet dimension ‘A’ and threads as the U6 meters historically fitted by British Gas. Fits meter housing boxes. Replaces a U6 meter at an economical price. Meter reads in cubic metres. Fitted with a test point.
Part No.DescriptionUnit PriceQty
 12845 G4 1-9 £39.14
   10+ £31.71  

PULSE MODULE WITH LEAD & PULSE PLUG

Pulse Module and Lead

Lead length : 2 m.
Lead wiring : pulse count - red/green,
control - black/yellow.
Part No.DescriptionUnit PriceQty
 19964 LF pulse module & lead for use with gas meters P/Ns 19957 to 19963 plus 19979 and 19980. £30.81

Meter pulse rates

U range meter pulse rates
19957 Pulse at 0.01 cubic metres per pulse
19958/19959/19960/19961 and 19979 Pulse at 0.1 cubic metres per pulse
19980 Pulse at 1 cubic metres per pulse
G range meter pulse rates
18409/11/13 Pulse at 0.01 cubic metre per pulse
18414/5/6/7 Pulse at 0.1 cubic metre per pulse

Spare Pulse Lead for Metrix Meter

Lead length : 2 m. Lead wiring : pulse count - green/brown,
control - white/yellow.
Part No.DescriptionUnit PriceQty
 20259 For use with P/Ns 18409, 18411, 18413, 18414, 18415, 18416 and 18417 £24.00

Pulse Plugs

with 2.5 metre lead unless stated
Pulse plugs for meters previously sold.
Part No.DescriptionUnit PriceQty
 8307 For use with P/Ns 8129 & 8301, a WECO style plug (looks like a BT plug) and lead £7.11
 8308 For use with P/N 8302 , 8303, 8304 and 8306, is a Fischer style plug and lead £54.84
 19880 For use with 8305 £35.10

For purging meters click here

NOTE REFERRING TO ALL THE METERS ABOVE
Suffix P indicates a meter with pulse facility. This need not be used: these meters may also be read directly in the normal way. To use pulse facility a pulse plug is needed (not supplied with the meter).
These can be found by clicking the following link Pulse Plugs.

The above meters are supplied without meter adaptors or washers. These items can be found by clicking the the following links: Meter Adaptors or Washers

No claim in respect of damage, internal or external, to a gas meter of size U16 or G6 or larger will be accepted unless such damage is notified in writing by the end of the working day following our customer's receipt of the meter. We suggest that the internal mechanism is checked by passing air through the meter and noting that it registers.