Residential Diaphragm Gas Meter
Aluminum Meterial
			 
Residential Diaphragm Gas Meter


Description
Domestic diaphragm gas meter G1.6 /G2.5 /G4 is designed to meet the client’s highest demand with regarding to accuracy measurement and safety. It is widely used to measure the volume of natural gas, LPG and coal gas. It satisfies the requirements of GB/T6968-2019, OIML
R137 and EN1359-MID Standard.
Features
Compact Size, light weight
Stable accuracy and smooth operation
High metrological performance, low noise level
Low pressure loss
Functions
Moving parts in self-lubricating materials.
Body case: aluminum, two-pipe connection type, digital index.
Synthetic diaphragms.
Grid and distributing valve in thermosetting resin.
Secured and sealed against illegal access.
Equipped with a device to prevent the reverse flow of gas through gas through the meter.
Magnet transmission keeps excellent sealing.
The turning valve motion design ensures long term stability, and minimal wear.
High quality internal plastic and stainless metal components, internal and external protection with powder painting guarantees the meter’s long-term service.
Technical Characteristics
Description  | G1.6  | G2.5  | G4  | |
Rated flow rate qn m3/h  | 1.6  | 2.5  | 4  | |
Max. flow rate qmax m3/h  | 2.5  | 4  | 6  | |
Min.flow rate qmin m3/h  | 0.016  | 0.025  | 0.040  | |
Permissible Error  | qmin≤q<0.1qmax  | ±3%  | ||
0.1qmax≤q≤qmax  | ±1.5%  | |||
Working Pressure kPa  | 0.5 – 50  | |||
Total pressure loss(without valve) Pa  | ≤200  | ≤200  | ≤200  | |
Cyclic volume L  | 1.4  | |||
Ambient Temperature ℃  | -25 ~ +60  | |||
Net Weight kg  | 1.7  | |||

| ITEM | SIZE(mm) | |||||
| A | B | C | D | E | F | |
| G1.6 | 130 | 191 | 227 | 161 | 66 | M30x2/G11/4” | 
| G2.5 | 130 | 191 | 227 | 161 | 66 | M30x2/G11/4” | 
| G4 | 130 | 191 | 227 | 161 | 66 | M30x2/G11/4” | 
