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MIFAB® MR-500-NPB Pressure Drop Activated Trap Seal Primer, For Use With Floor Drain Traps, 1/2 Inch MNPT x 1/2 Inch FNPT, Brass

MIFAB® MR-500, M1-500 and M2-500 Series pressure drop activated brass trap seal primer, with inlet opening of 1/2 Inch male NPT and outlet opening of female 1/2 Inch NPT. Complete with four view holes and removable filter screen. Requires no adjustments and no air pre-charge. MIFAB® Series of pressure activated trap seal primers (MR-500, M1-500 and M2-500) can be connected to any cold water line and will be automatically activated when a valve or faucet, that is on the line, is opened. A pressure drop of three psi will activate all of the trap seal primers. MIFAB's Series of trap seal primers can be disassembled in the field. Their unique design permits filter replacement without affecting the performance of the primer. The "O" ring seals are tested for reliability at a temperature range of -40 deg to 450 deg F. The M-500 Series of trap seal primers do not require adjustment. The operating range for all of MIFAB's Series of trap seal primers is 20 to 80 psi.

MIFAB® Trap Seal Primer, Pressure Drop Activated, Series: MR-500, For Use With: Floor Drain Traps, Specifications: 1/2 Inch MNPT x 1/2 Inch FNPT, Brass, 1-1/4 Inch Dia x 4-1/8 Inch L Dimensions

Type      :      Pressure Drop Activated
Series      :      MR-500
Suitable For Use With      :      Floor Drain Traps
Specifications      :      1/2 Inch MNPT x 1/2 Inch FNPT
Material      :      Brass
Dimensions      :      1-1/4 Inch Dia x 4-1/8 Inch L
  • Serves up to 6 floor drain traps and requires no adjustments and no air pre-charge
  • Lead free material
  • Stainless steel filter screen
  • pdfSpecification Sheet

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