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Quick Details

  • Place of Origin: Zhejiang, China (Mainland)
  • Brand Name: Laison
  • Model Number: G4

Packaging & Delivery

Packaging Details Cartons
Delivery Time About 45 days

Diaphragm gas meter EN1359 Certified G4


G(S) series diaphragm gas meters are designed to accurately measure natural gas, artificial gas, liquefied petroleum gas, methane and other gases. The concise structure design insures the assembly technique reliable, the meter is easy installation and without calibration during the legal service life, which is 10 years for natural gas and 6 years for LPG. The domestic diaphragm gas meter models include G1.6(S), G2.5(S) and G4(S) basing on the difference of flow rate.
Products comply with international standard EN1359, OIML R137 and MID2004/22/EC. 



Nominal Flow Ratem 3 /h1.62.54
Max. Flow Ratem 3 /h2.546
Min. Flow Ratem 3/h0.0160.0250.040
Class 1.5
Total Pressure LosePa≤200
OperationPressure RangekPa0.5~50
Cyclic Volumedm31.2
Permissible ErrorQmin≤Q<0.1qmax%±3
Min. Recording Readingdm30.2
Max. Recording Readingm 399999.999
Operation Ambient Temperaturec-20~+50
Storage  Temperaturec-30~+60
Service LifeYear10
Connection Thread G1'1/4 or G 3/4 etc.
Central Distancemm100mm, 110mm or 130mm





Hangzhou Laison Technology Co., Ltd. 
Add: Zhejiang University National Science Park,
No. 525 Xixi Road, Hangzhou, China

Tel: +86 571 89715425

Fax: +86 571 89715426 

Gmail mailbox: Laisontech.alex (suffix @gmail.com)

Skype: alexliting

Website: www.laisontech.com

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