SB 750

  • SB750 B


Safety shut-off valve

SB 750

Safety shut-off valve SB 750

SB 750 is a shut-off valve with automatic operation and manual resetting, suitable for transportation and distribution networks of air, natural gas, LPG, carbon dioxide (CO2) and other non-corrosive gaseous media. SB 750 is a safety device which has the role of preventing the increase or decrease in the working pressure in the installation, outside the operating range for which it was designed.

Reference standard: EN 14382 (DIN 3381)
CE certificate according to PED 97/23/EC

MODEL SB 750 A • SB 750 B
TECHNICAL CHARACTERISTICS Maximum allowable pressure: 16/20, 40/50, 100 bar
Intervention for maximum pressure: 0,04 ÷ 84 bar
Intervention for minimum pressure: 0,01 ÷ 62 bar
Intervention accuracy class (AG):
- minimum up to 2,5%
- maximum up to 1%
(depending on the control pressure)
CONNECTION TYPE Equal flanges:     
PN 16,  PN 20/ANSI Class 150
PN 25, PN 40, PN 50/ANSI Class 300
PN 64, PN 110/ANSI Class 600
Nominal diameter: DN 25 ÷ DN 400
OPERATING  CONDITIONS Ambient temperature: -30°C ÷ +80°C
Working fluid temperature: -20°C ÷ +60°C
WORKING MEDIUM Natural gas and other non-corrosive gases

Safety shut-off valve SB 750

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