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Model 1 1/4” MBP Semi-Internal
Model 1 1/4” MBP relief valve is designed for ASME domestic tanks. Container sizes such as
250, 500, and 1,000 gallon tanks provide high-performance pressure relief for a wide variety of applications.
Features:
 All functioning valve parts, including the pressure setting nut, are
within the tank.- Our simple design minimizes the risk of damage to the valve and eliminates the possibility of tampering.
- A small drain hole in the side of the body allows moisture to drain from inside the body.
- Standard material of construction is 304 stainless steel for maximum resistance to rust and corrosion.
- ASME and UL rated for use with LP-gas.
- Unique double O-ring system provides reliable seating.
- Protective caps are included with the relief valve to keep dirt, moisture and foreign materials out of the valve.
- ASME UV certified, UL Listed, Dot Registered, (CRN) Canadian Registered
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Model 1.25” MBP ASME
Flow Capacities Chart (*Ask for Other Pressures)
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Set Pressure
PSIG
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Flow Cap. SCFM @ 20% O.P.
ASME
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100#
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1820
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150#
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2630
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175#
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3035
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200#
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3440
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225#
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3846
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250#
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4251
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275#
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4656
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300#
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5061
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325#
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5467
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