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Model 3” MBF Fully Internal
Model 3” MBF fully internal relief valve is designed for transports and other storage vessels as well as to
provide high-performance pressure relief for a wide variety of applications.
Features:
- Flush-mount design protects valve from sheering off in the event of a roll-over.
 The adjusting nut is located inside of the tank to eliminate the
possibility of tampering with the valve set pressure.- Standard material of construction is 304 stainless steel for maximum resistance to rust and corrosion.
- Stainless steel construction for easy removal for periodic testing as required by DOT.
- Protective cap to prevent dirt, moisture and foreign materials from entering the seal area of the relief valve.
- Unique double O-ring system provides reliable seating.
- Relief valves are rebuildable, which is a cost savings to the customer.
- ASME UV Certified, UL Listed, DOT Registered, (CRN) Canadian Registered.
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Model 3” MBF
ASME Flow Capacities Chart (**Call for other Pressures)
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Set Pressure
O.P. PSIG
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Flow Cap. SCFM @ 20%
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15#
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971
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50#
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2219
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65#
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2753
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75#
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3110
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100#
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4001
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150#
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5783
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165#
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6317
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200#
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7565
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250#
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9347
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265#
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9881
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275#
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10238
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300#
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11129
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350#
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12911
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400#
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14693
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450#
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16475
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500#
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18257
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