Natural Gas Technologies - Solutions for the Natural Gas Industry - page 35

The BM5 Series slam-shut valve is an
automatic shutoff appliance suitable for
installation as a safety device in regulat-
ing stations and gas distribution piping.
The BM5 Series slam-shut valve is used
in natural gas, air, propane, butane,
LPG, city gas, nitrogen, carbon dioxide,
hydrogen regulating or distribution
The slam-shut valve is designed to
shutoff the flow of gas in the event of the
pressure rising above or falling below the
predefined levels.
The valve is a sleeve-type, therefore,
does not require any external by-pass to
facilitate the opening of the valve.
The valve can only be reset manually.
The BM5 Series is in conformity with the
Pressure Equipment Directive
PED 97/23/EC and is classified under
Category IV.
Body Sizes
DN 25, 40, 50, 65, 80, 100, and 150
(NPS 1, 1-1/2, 2, 2-1/2, 3, 4, and 6)
End Connection Styles
PN 16, 25 / CL150, CL300, and CL600
Allowable Pressure
Up to 100 bar
Underpressure Set Range
0.01 to 80 bar
Overpressure Set Range
0.03 to 80 bar
Accuracy Group
Up to ±1%
Response Time
< 1 s
• Axial Flow
• Sleeve Valve
• Protected Seal Pad
• Push-Button Manual
Emergency Release
• Manual Reset by Rotating
the Reset Shaft
• Low Temperature
Construction Available
Temperature Capabilities
Standard Version:
Working: -10° to 60°C
Low Temperature Version:
Working: -20° to 60°C
Approximate Weights
15 to 280 kg
For full details consult the documenta-
tion available on our website:
Type bm5with os/80x
Type BM5with OS/80X-APA
Type BM5with OS/80X-APA-D
BM5 Series
Slam-Shut Valves
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