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NSN 4820-01-120-2813

Rupture Disk Flange

About this product

Bolted head type, free outlet end connection type, 4.000 inches head size, burst pressure: 15.0 pressure pounds per square inch gage and 20.0 pressure pounds per square inch gage.

Manufacturer part number 77-GRU-017 for national stock number 4820011202813.

Datasheet

  • Product description

    Pressure Relief Safety Head NSN 4820-01-120-2813.

  • MPN or Model

    77-GRU-017

  • Schedule B
    8481.90.9090 (Parts of taps, cocks, valves and similar appliances, nesoi)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Unit Weight (Est.)
    0.1 lb
  • Head Type
    Bolted
  • End Connection Type
    Free outlet
  • Head Size
    4.000 inches
  • Burst Pressure
    15.0 pressure pounds per square inch gage and 20.0 pressure pounds per square inch gage
  • Head Material
    Copper alloy
  • Burst Temperature
    267.0 degrees fahrenheit
Pressure Relief Safety Head

An item of varying shape and size consisting of a metallic body which incloses a nonreusable metallic or nonmetallic disk(s), which is designed and calibrated to burst at a given pressure. It may be used independently, or in conjunction with relief valves to relieve overpressure, and to protect relief valve(s) from corrosive conditions. Excludes valve, safety relief and plug, fusible. for items furnished with a disk, see head and disk, safety, pressure relier.

Mechanic Bill explains Rupture Disk Flange

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NSN 4820011202813

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
77-GRU-017 Bs&b Safety Systems, L.l.c.
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