G6S, G10S, G16S, G25S, G40S (Steel Case) Gas Meters are type of displacement gas volume meters, which are applicable to meter the flow rate of combustion gases like natural gas, liquefied petroleum gas (LPG), marsh gas and coal gas, and their technical performance complies with the specification of Grade 1.5 in GB/T 6968-2011 Diaphragm Gas Meters.
Adopt independent rotating sliding valve with high precision; adopt high quality of rubber diaphragm and rubber sealing element to ensure good sensitivity and reliability for operation; adopt electrostatic spray protection for whole machine from inside to outside with super anti-corrosive performance; adopt an entire stainless steel seal coupling with good air tightness; adopt rivet connection for meter connector with excellent intensity and air tightness.
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Technical data \ Type & specification
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G6S
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G10S
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G16S
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G25S
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G40S
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Indication item
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Performance index
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Max. flow rate qmax（m3/h）
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10
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16
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25
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40
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65
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Min. flow rate qmin（m3/h）
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0.06
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0.1
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0.16
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0.25
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0.4
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Max. allowable error
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qt≤q≤qmax
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±1.5%
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qmin≤q≤qt
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±3%
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Accuracy class
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1.5
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Max. operating pressure（kPa）
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20
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Total pressure loss（Pa）
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≤200
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≤370
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Operating temperature range（℃）
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-10～+40
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Durability
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Conform to GB/T 6968-2011standard
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Center distance of pipe connector（mm）
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180
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250
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280
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335
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440
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Thread of pipe connector（mm）
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G1 1/4
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G2
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G2
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G2 1/4
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G3
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weight（kg）
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10
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14
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46
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Error curve
□ It is suitable for installing at non-combustible structure and indoor place with good ventilation
□ It is prohibited to install at bedroom, bathroom and the place stored with dangerous goods and flammables, or somewhere similar to the aforesaid.
□ The installation of gas meter should satisfy the requirements of meter reading, repairing, maintenance and safety operation.
CHINESE
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