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Atmos ^® - Diaphragm gas meter

Product Overview:

Two-pipe Diaphragm gas meter G1.6S | G2.5S | G4S

Solid build quality high accuracy safety and a series of advanced techni-cal details make the Atmos@ diaphragm gas meter a high-grade measu-ring instrument. The Diaphragm gas meter is available in sizes G1.6 G2.5 and G4. The meter is characterized by precise measurements a constant measuring stability a long life and high reliability. Thanks to the use of high-grade materials the diaphragm gas meter is resistant to corrosion.
The gas meter is suitable for various gas media. The integrated calibration system coordinates the movement of the valves in relation to the optimum gas flow.
The excellent linearity of the error curve is guaranteed even at low flow rates. Due to the optimum rotating characteristics of the valves the Qmin value remains stable and the gas meter is resistant to contamination.

The Atmos diaphragm gas meter meets the requirements ofthe EN1359:1998/A1:2006 and OIML R137-1 (2012) standards.

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Features

Performance chara cteristics

■Approved in accordance with MID by NMi

■Integrated system to adjust the error curve

■Galvanized steel powder-coated housing for maximum corrosion

■resistance

■Fire resistant (HTB) up to 0.1 bar according to EN1359

■Starting flow< 1 dm/h

■Working temperature range: -25 °C to +55 °C

■Operating pressure: 0.5 bar

■Long-term stability due to usage of high-quality diaphragms

■Retrofittable with pulser

■φptional: reverse flow preventer

Sizes:

G1.6S : 0.016 m³/h to 2.5 m³/h

G2.5S : 0.025 m³/h to 4 m³/h

G4S : 0.04 m³/h to 6 m³/h

Gas media:

■Natural gas

■Town gas

■Biogas

■Liquid gas

■Methane gas

Housing material:

Galvanized steel sheet

Technical Parameters

Technical data Atmos® G1.6S \| G2.5S \| G4S
Type			G1.6S	G2.5S	G4S
Nominal ilowrate	Qn	m³/h	1.6	2.5	4
Max mum fowrato	Qmax	m³/h	2.5	4	6
Minimum fowrate	Qmin	m³/h	0.016	0.025	0.04
Maximum operating pressure		bar	0.5	0.5	0.5
Maximum permissible errors	0.1 Qmax ≤ Q ≤ Qmax Qmin ≤ Q < 0.1 Qmax		± 1.5% ± 3%	± 1.5% ± 3%	± 1.5% ± 3%
Max. pressure loss		mbar	≤ 2	≤ 2	≤ 2
Display range max.		m³/h	99999.9998	99999.9998	99999.9998
Display range min.		m³/h	0.0002	0.0002	0.0002
Accuracy class	class		1.5	1.5	1.5
Cyclic volume		dm³	1.2	1.2	1.2
Pulse value		m3/pulse	0.01	0.01	0.01
Weight	110/130 mm 152.4 mm	kg	1.8 2.0	1.8 2.0	1.8 2.0

Dimensions

Dimensions Diaphragm gas meter Atmos® G1.6S \| G2.5S \| G4S
A	[mm]	90 ± 0.50	110 ± 0.50	130 ± 0.50	152.4 ± 0.50
B		M30 x 2 - 6 g	G¾ B	G⅞B	G1B	NPT ¾″	BS746 1″
C	[mm]	226		218

Online Inquiry

Our valued customers, if you have any questions, you can leave a message below or call 021-59869333，
First time we will get in touch with you, for your dedicated service. (* Is required, thank you for your message.）

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