CNG Pressure regulator, unheated - SIRIUS
The SIRIUS is a CNG unheated pressure regulator which doesn't require any heating circuit. It is compact and maintenance free, and it ensures a high gas flow.
Key advantages
  • No heating circuit required due to cryogenic technology stainless steel bellow and no rubber diaphragm
  • High gas flow for up to 300 kW engine performance
  • Maintenance free
  • Compact design
Gas TypeCNG
Upper Limit Working Pressure260 bar
Maximum Pressure260 bar
Inlet Pressure200 bar
Outlet Pressure3, 4, 8,5 bar
Safety Relief Pressure8 or 16
Lower Flow Rate24 kg/hour
Upper Flow Rate64 kg/hour
TechnologySS bellow
Lower Operating Temperature Limit-30 Celsius
Upper Operating Temperature Limit105 Celsius
Inlet connectionScrewed on Compression tube fitting
Outlet connectionScrewed on Compression tube fitting
Body materialBrass, Aluminium
Bellows materialStainless steel
Downloadable catalogs, brochures
  • Download
    Sirius Brochure
    Last update: May 17, 2021
    Available in: en
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