Hubei, China
Business Type:
Manufacturer/Factory & Trading Company
Number of Employees:
Year of Establishment:
Plant Area:
4333.09 square meters
Management System Certification:
ISO9001:2008, ISO14001:2004
OEM/ODM Service
Sample Available

Gas Meter, Gas Regulator, Regulator manufacturer / supplier in China, offering Domestic Diaphragm G1.6-2.5 for Natural/LPG Gas, Single Phase IC Card Prepayment Multi Tariff Electric Meter, Prepayment Brass Body Drinkable Water Flow Meter and so on.

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Domestic Diaphragm G1.6-2.5 for Natural/LPG Gas

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Purchase Qty. / Reference FOB Price
1-9 Pieces US $20
10-19 Pieces US $15
20+ Pieces US $10
Production Capacity: 50000PCS/Month
Transport Package: Carton Box Packaged by Pallet, 4 Pieces in a Cart
Payment Terms: L/C, T/T, D/P, Paypal, Money Gram, Western Union
Kind: Intelligent Gas Meter
Diameter: 50-100mm
Precision Grade: 0.01
Application: Civil, Industrial
Starting Flow: <0.5m³/h
Type: G1.6

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Basic Info

Model NO.: RDK-ZQ
Nominal Flow-Rate: 1.6
Max. Flow-Rate: 2.5
Min. Flow-Rate: 0.016
Total Pressure Loss: Less Than 200PA
Operation Pressure Range: 0.5~50
Min. Recording Reading: 0.2
Working Temperature: -10~+40
Storage Temperature: -20~+50
Service Life: 10 Years
Connection Thread: M30×2
Trademark: RADARKING
Specification: CE, CCC, ISO9001/2008
Origin: Wuhan, China
HS Code: 9028101000

Product Description


1. EN 1359 certificated
2. Diaphragm gas meter

This domestic diaphragm gas meters G4 is gas volume measurement instrument for coal gas, natural gas, LPG etc. It is designed and developed according to world advanced technology, based on our rich experience, with the merits of small size, light in weight, accurate measurement, high sensibility, low noise.
It is certified by Chinese standards GB/T6968-1997 and Internation Standard of OIML R137.

1. Compact structure, big capacity of 1.2dm3 cyclic volume and beautiful appearance.

2. Apply Hot-printed technology of international leading level on register, which insures legible reading never fading.

3. Inside and outside of meter case is electro dusted, which insures good appearance, moisture-proof, gas corrosion-resistant and high Impact-resistant.

4. The measuring unit is made of Japanese Copolymerization of formaldehyde M90-44 (POM), injected by Mitsubishi machine; The high physicochemical properties, strong reliability, good self-lubricating property and compactness surpass other similar products remarkably.

5. The rubber diaphragm is made of Polyester fabric coated with nitride synthetic rubber, passed more than 200 Million times of Bally Test, oil-resistant change of mass is less than 65%, the flexibility is less than 0.45g/cm, the low temperature type diaphragm can work under -35° C ambient temperature. All specifications comply with National standard and International standard of OIML R311995.

6. The valve and vale seat are made of imported materials Z-41 Plastic pressure powder, which has been tested by foreign authority that the vale never distorts, has perfectly anti-function and high plainness after grind.

7. The material of register cover is Polycarbonate, which has strong impact resistance and keep the bolt falls into the track to withstand disassembly.

8. Special screw head and seal avoid illegal demolition.

9. Anti-reverse device completely prevents tampering.

10. The valve with 360° Rotation has the ability to resist impurity conglutinates and freezing, and has strong stability and agility; And high accuracy of low discharge.

11. The upper case and lower case are pressed by a steel band under a 40ton atmospheric pressure, which insures stability of sealing.
G1.6(S)DG2.5(S)DG4(S)DG2.5(S) DW
Nominal flow-ratem 3 /h1.62.542.5
Max. flow-ratem 3 /h2.5466
Min. flow-ratem 3 /h0.0160.0250.040.016
Total pressure lossPa≤200≤200
Operation pressure rangekPa0.5~500.5~50
Cyclic volumedm 31.21.2
Permissible errorQmin≤Q< 0.1 Qmax±3%±3%
0.1Qmax≤Q≤ Qmax±1.5%±1.5%
Min. recording readingdm 30.20.2
Max. recording readingm 399999.99999999.999
Working temperature
Storage temperature
Service lifeYear1010
Connection thread
M30×2    M30×2    
Central distancemm110mm or 130mm or by customer
Outside casing
Quality steel sheetQuality steel sheet

Storage And Installation Notices

1. Please keep the meters upward and avoiding collision during delivery process. The meter should be stored in a dry location without corrosive medium and with a temperature among -20ºCto 50ºC.

2. Installed where is off fire, no shaking, water and damp proofs, and no direct sunlight.

3. Please make gas system clean and seal before install the meter.

4. Please verify the right connection direction that is connector at the end of upper case arrow should be connected to gas supply pipe. Please install meter upward.

 5. The tighten torque on connector should be less than 300 N.m.

A valve should be installed before inlet of meter in gas piping system.

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