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MP4/9 Adjustable Overload Protection Device
Brand: Nuova Fima
These devices are used to protect pressure gauges and pressure switches from overpressure.
If, due to occasional faults, the pressure exceeds the maximum allowed value, the device automatically by-passes the gauge until the pressure value is back to normal.
Specifications
Brand
Body, Piston & Wetted Parts
- AISI 316L Stainless Steel
- MP4/9L: Monel 400
Connections (Process Instrument)
- 1/2” MNPT x 1/2” FNPT
- G 1/2 B M x G 1/2 B F
- MP4/9H: 1/4” MNPT x 1/4” FNPT
- MP4/9H: G 1/4 B M x G 1/4 B F
Gaskets
- Viton
Maximum Working Pressure
- MP4/9H: 7000 psi (500 bar)
- MP4/9L: 3626 psi (250 bar)
Operating Principle
- MP4/9H: Horizontal Piston
- MP4/9L: Vertical Piston
Resetting Value
- MP4/9H: 30 % of Setting Value
- MP4/9L: 10 % of Setting Value
Setting Range
- 230 to 500 psi (16 to 35 bar)
- MP4/9H: 2300 to 5000 psi (160 to 350 bar)
- MP4/9H: 40 to 230 psi (3 to 16 bar)
- MP4/9H: 500 to 2300 psi (35 to 160 bar)
- MP4/9L: 500 to 1450 psi (35 to 100 bar)
Working Temperature
- -13° to +212° F (-25° to +100° C)