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MWA Technology
MWA Technology Limited, Offices & Workshop,
2 Wharton Street Ind. Est., Birmingham, West Midlands, B7 5TR

+44 (0) 121 327 7771

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Diaphragm Gas Meters from MWA Technology

Diaphragm Gas Meters

Used in most residential and smaller commercial installations, the diaphragm gas meter can measure even a very small gas flow rate and is one of the most popular meters out there.

A virtually continuous flow of gas is directed by internal gas valves which fill and expel gas. This advanced meter technology means that you can rely on gas meter accuracy for a long time to come.

Azbil Kimmon SK25

Sk25
Azbil Kimmon SK25 available at MWA Technology
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Azbil

Azbil Kimmon SK25

Sk25
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  • Used in Air, natural or LP Gas sampling
  • 10 year durability
  • Mechanical digital counter with flow checker
MWA Code Meter Type Connections Ambient Temp. Pressure Loss (Air) Max Pressure Max
m³/hr
SK25 Diaphragm ½” & ¾” BSP -30°C – 60°C 87Pa or less 10kPa 2.5
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Durecom Wizit diaphragm gas meters

KG2 - KG6
Durecom Wizit diaphragm gas meters available at MWA Technology
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Durecom

Durecom Wizit diaphragm gas meters

KG2 - KG6
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  • Compact strong aluminium die cast construction
  • High sensitivity suitable for low gas flow rates
  • Suitable for Natural Gas, LPG, Air, Nitrogen and all inert gases
  • Pulse lead supplied & fitted
MWA Code Size CRS Centres mm Qmin cm/hr Qmax cm/hr
KG2 ½” BSP 100 0.016 2.5
KG2P * ½” BSP 100 0.016 2.5
KG3 ¾” BSP 130 0.016 2.5
KG3P * ¾” BSP 130 0.016 2.5
KG4 ¾” BSP 130 0.025 4
KG4P * ¾” BSP 130 0.025 4
KG6 ¾” BSP 130 0.025 6
KG6P * ¾” BSP 130 0.025 6

 * P denotes ‘pulse enabled’

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Elster Diaphragm Meters

BK/G4 - BK/G100
Elster Diaphragm Meters available at MWA Technology
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Elster

Elster Diaphragm Meters

BK/G4 - BK/G100
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Diaphragm meters are displacement meters where the flow channels are designed to guarantee optimum flow conditions and a low pressure loss. They are suitable for measuring natural gas and a variety of technical gases at up to 0.5 bar. The approved gas temperature range is -20°C to +50°C. The diaphragm meters BK-G4 up to G100 are available with a pulse output option. This allows to retrofit a low-frequency pulser of the IN-Z61 type.
All of the meters are approved for custody transfer measurement by the German PTB and to EN 1359 by German DVGW.

Domestic Diaphragm Meters BK-G4 to BK-G6
These meters are available in co-axial or two-pipe versions. The measuring unit operates on the principle of pneumatic control. This guarantees low noise, long-term stability and high accuracy and allows the possibility of including mechanical temperature correction.

Commercial Diaphragm Meters, BK-G10 to BK-G25
These compact meters are available in co-axial or two-pipe versions with a pressed steel housing. The measuring unit operates on the principle of pneumatic control. This guarantees low noise, long-term stability and high accuracy.

MWA Code Connections Size Max
m³/hr
Max
m³/hr
BK-G4 BS746 1″ 0.04 6
BK-G6 BS ISO7 1″ 0.06 10
BK-G10 BS746 1¼” 0.1 16
BK-G16 BS746 2″ 0.16 25
BK-G25 BS746 2″ 0.25 40
BK-G40 PN16 2½” 0.4 65
BK-G65 PN16 3″ 0.65 100
BK-G100 PN16 4″ 1 160

Options

MWA Code Description
INZ61WC pulse unit and lead
CON1 1 inch BS746 x 1 inch BSP union – 2 required per meter
CON1¼ 1¼ inch BS746 x 1 .1/4 inch BSP union – 2 required per meter
CON2 2 inch BS746 x 2 inch BSP union – 2 required per meter
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Itron G Industrial Diaphragm Gas Meters

G10 to G100
Itron G Industrial Diaphragm Gas Meters available at MWA Technology
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Itron

Itron G Industrial Diaphragm Gas Meters

G10 to G100
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  • MID approved
  • Diaphragm meters for natural gas and LPG
  • Maximum working pressure 500 mbar
  • Supplied with pulse output as standard

AVAILABLE WITH MBUS AND WIRELESS MBUS OUTPUT

MWA CODE BOSSES DISTANCE CONNECTION TYPE Max m3/hr
ACD G10 280mm 1.1/2 INCH BSPT UNIONS Industrial diaphragm meter 16
ACD G16 280mm 1.1/2 INCH BSPT UNIONS Industrial diaphragm meter 25
ACD G25 335mm 2 INCH BSPT UNIONS Industrial diaphragm meter 40
ACD G40 430mm 65MM PN10 Industrial diaphragm meter 65
ACD G65 500mm 80MM PN10 Industrial diaphragm meter 100
ACD G100 675mm 100MM PN10 Industrial diaphragm meter 160
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Itron U (MDA) Diaphragm Gas Meters

U6 - U160
Itron U (MDA) Diaphragm Gas Meters available at MWA Technology
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Itron

Itron U (MDA) Diaphragm Gas Meters

U6 - U160
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  • OFGEM approved
  • SC6, U6 and U16 fireproof to 650°c manufactured to BS EN 1359
  • Diaphragm gas meters for natural gas and LPG
  • Maximum pressure 75 mbar
  • Meters available with pulse plug and 2 metre lead-option

UPULSE – Pulse output plug and 2 metre lead

MWA Code Bosses Distance Connections Type Max m³/hr
SC6 152.4mm ¾” BS21 Semi concealed meter 6
U6 152.4mm 1” BS746 Domestic diaphragm meter 6
U16 152.4mm 1¼” BS746 Industrial diaphragm meter 16
U25 250mm 2” BS746 Industrial diaphragm meter 25
U40 280mm 2” BS746 Industrial diaphragm meter 40
U65 335mm 2½” Flanged PN10 Industrial diaphragm meter 65
U100 430mm 3” Flanged PN10 Industrial diaphragm meter 100
U160 430mm 4” Flanged PN10 Industrial diaphragm meter 165

 All meters can be fitted with pulse plug transmitter and 2 metre lead

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Metrix diaphragm gas meter

UG-G1.6,G2.5,G4,G6,G10,G16,G25
Metrix diaphragm gas meter available at MWA Technology
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Metrix

Metrix diaphragm gas meter

UG-G1.6,G2.5,G4,G6,G10,G16,G25
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  • Manufactured by BS EN ISO 9001 and ISO 14001
  • MID approval G4-UG -4P to G16P, G25P and G1.6-UGPBS to G16PBS, G25PBS
  • G1.6 to G6 Fireproof up to 650°C @ 100mbar according to EN1359
  • Diaphragm gas meters, for natural gas, propane and butane, max pressure 500 mbar
  • Meters read in cubic metres
  • Optional M-Bus output
MWA Code Connections Type Min
m³/hr
Nominal
m³/hr
Max
m³/hr
G4-UG-P * 1” BSP unions supplied Pulse output, 1 pulse = 0.01 m³/hr 0.04 4 6.0
G6P * 1” BSP unions supplied Pulse output, 1 pulse = 0.01 m³/hr 0.06 6 10.0
G10P * 1.5” BSP unions supplied Pulse output, 1 pulse = 0.01 m³/hr 0.1 10 16.0
G16P * 1.5” BSP unions supplied Pulse output, 1 pulse = 0.1 m³/hr 0.16 16 25.0
G25P * 2” BSP unions supplied Pulse output, 1 pulse = 0.1 m³/hr 0.25 25 40.0
G1.6-UG-PBS 1” BS746 Pulse output, 1 pulse = 0.01 m³/hr 0.016 1.6 2.5
G2.5-UG-PBS 1” BS746 Pulse output, 1 pulse = 0.01 m³/hr 0.025 2.5 4.0
G4-UG-PBS 1” BS746 Pulse output, 1 pulse = 0.01 m³/hr 0.04 4 6.0
G6PBS 1” BS746 Pulse output, 1 pulse = 0.01 m³/hr 0.06 6 10.0
G10PBS 1.¼” BS746 Pulse output, 1 pulse = 0.01 m³/hr 0.1 10 16.0
G16PBS 2” BS746 Pulse output, 1 pulse = 0.1 m³/hr 0.16 16 25.0
G25PBS 2” BS746 Pulse output, 1 pulse = 0.1 m³/hr 0.25 25 40.0

 * P denotes meters fitted with pulse plug transmitter and 2 metre lead

All meters with BS746 Connections can be supplied with unions and brackets.

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Metrix European Diaphragm Gas Meter

Metrix European Diaphragm Gas Meter available at MWA Technology
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Metrix

Metrix European Diaphragm Gas Meter

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  • Manufactured by BS EN ISO 9001, ISO 14001 MID Approved
  • G1.6 to G6 Fireproof up to 650°C @100mbar according to EN1359
  • Diaphragm meter for Natural Gas, Propane and Butane
  • Maximum working pressure 500Mbar
  • Meters read in cubic metres
MWA Code Description Centres
G4-UGBS Metrix. 1″ BS746 Diaphragm Meter. Qmax 6m³/h 110mm
G4-UGPBS Metrix. 1″ BS746 Pulsed Diaphragm Meter. Qmax 6m³/h 152.4mm
G4-UGBS-6″ Metrix. 1″ BS746 Pulsed Diaphragm Meter. Qmax 6m³/h 152.4mm
G6PBS Metrix. 1″ BS746 Pulsed Diaphragm Meter. Qmax 10m³/h 130mm
G10BS Metrix. 1.1¼” BS746 Diaphragm Meter. Qmax 16m³/h 280mm
G10PBS Metrix. 1.¼” BS746 Pulsed Diaphragm Meter. Qmax 16m³/h 280mm
G10BS2″ Metrix. 2″ BS746 Diaphragm Meter. Qmax 16m³/h 280mm
G16PBS Metrix. 2″ BS746 Pulsed Diaphragm Meter. Qmax 25m³/h 280mm
G25PBS Metrix 2″ BS746 Pulsed Diaphragm Meter. Qmax 40m3/h 335mm
MWA CODE DESCRIPTION CENTRES
G4-UG Metrix. 1″ BSP Diaphragm Meter. Qmax 6m³/h 110mm
G4-UGP Metrix. 1″ BSP Pulsed Diaphragm Meter. Qmax 6m³/h 110mm
G6P Metrix. 1″ BSP Pulsed Diaphragm Meter. Qmax 10m³/h 130mm
G10P Metrix. 1.½” BSP Pulsed Diaphragm Meter. Qmax 16m³/h 280mm
G16P Metrix. 1.½” BSP Pulsed Diaphragm Meter. Qmax 25m³/h 280mm
G25P Itron. 2″ BSP Pulsed Diaphragm Meter. Qmax 40m³/h 335mm
MWA CODE DESCRIPTION
NI-3 Metrix. Diaphragm Meter Pulse Module and Lead

Gas Meter Unions

MWA CODE DESCRIPTION
CON¾ Gas Meter Union & Washer. 1″ BS746 – ¾” BSP
CON22MM Gas Meter Union & Washer. 1″ BS746 – 22mm Plain
CON1 Gas Meter Union & Washer. 1″ BS746 – 1″ BSP
CON1-28 Gas Meter Union & Washer. 1″ BS746 – 28mm End Feed
CON1.¼ Gas Meter Union & Washer. 1.¼” BS746 – 1.¼” BSP
CON1.½ Gas Meter Unions & Washers. 1.1½” BSP for Metrix G10 & G16
CON2 Gas Meter Union & Washer. 2″ BS746 – 2″ BSP
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