Natural Gas Technologies - Solutions for the Natural Gas Industry - page 36

The BM6X Series axial flow slam-shut
valve is an automatic shutoff appliance
suitable for installation as a safety device
in pressure reducing stations and on gas
transfer and distribution lines.
BM6X Series slam-shut valves are "wafer"
type with an off-center butterfly disk that
is mounted eccentrically.
The reduced face-to-face dimension,
typical of "wafer" valves, facilitates instal-
lation even in existing stations that are
not equipped with shutoff devices.
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 gas flow causes the slam-shut valve to
shutdown and can only be reset manually.
BM6X Series slam-shut valves use gas
from the gas line for operation and there-
fore does not require outside sources to
BM6X Series is in conformity with the
Pressure Equipment Directive
PED 97/23/EC and is classified under
Category IV.
Body Sizes
DN 80, 100, 150, 200, 250, and 300
(NPS 3, 4, 6, 8, 10, and 12)
End Connection Styles
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%
• Axial Flow
• "Wafer" Type Valve
• Off-Center Butterfly Disk
• Pressure Control at One or
More Points of the System
• Activation Due to Pressure
Increase or Decrease
• Emergency Slam-Shut
• Button By-pass with
Automatic Return
• Manual Reset by the Sole
Rotation of the Reset Shaft
• Easy Maintenance
• Sour Gas Construction
Response Time
< 1 s
Temperature Capabilities
Standard Version:
Working: -10° to 60°C
Low Temperature Version:
Working: -20° to 60°C
Approximate Weights
10 to 125 kg
For full details consult the documenta-
tion available on our website:
Type bm6Xwith os/80x
Type BM6Xwith OS/84
BM6X Series
Slam-Shut Valves
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