Version française Safety relief valves


Pressure regulators for industrial gas
Pressure regulators for industrial gas


  • Low pressure - Blanketing
  • Maxi working pressure : 50 bar
  • High pressure : 220 bar
Breather valves - Emergency valves - Flame arresters
Breather valves - Emergency valves - Flame arresters

• End of line flame arrester with flange
• End of line flame arrester with screwed end
• In line flame arrester with flanges connections
• In line flame arrester with screwed ends
• Breather valve with integrated flame arrester
• Vacuum valve with integrated flame arrester
• Breather valve
• Vacuum valve
Bursting discs and diaphragms
Bursting discs and diaphragms


Flat composite metallic discs •
Reverse metallic discs •
Sanitary bursting discs •
High vacuum discs / High purity gas bursting discs •
High pressure bursting discs •
Bursting plugs •

Graphite discs •

Explosion panels •
Indoor explosion panels •



Safety valves
Threaded BSP / NPT •  
Threaded & EN / ANSI flanges •  
Clamp •  
EN / ISO flanges •  
API construction •  
Welcome 25 years of experience in industrial protection, at your service.

5, chemin du Jubin - Bâtiment A 
69570 DARDILLY - France 
Tél. +33 (0)4 72 52 16 70
Fax +33 (0)4 72 52 16 71
E-mail : contact@helyon.com