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NSN 4820-00-400-6785

Velocity Fuse

About this product

Poppet flow control device, packing retaining bonnet type, spring disk loading method, renewable seat ring type: pressed-in.

Manufacturer part number 998-0510-09 for national stock number 4820004006785.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-00-400-6785.

  • MPN or Model

    998-0510-09

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Unit Weight (Est.)
    4.4 lb
  • Flow Control Device
    Poppet
  • Bonnet Type
    Packing retaining
  • Disk Loading Method
    Spring
  • Renewable Seat Ring Type
    Pressed-in
  • Bolt Hole Quantity
    4 1st end
  • Width
    2.400 inches 1st end
  • Length
    3.765 inches 2nd end
  • Valve Operation Method
    Automatic
  • Flange Shape
    Rectangular with holes 2nd end
  • Connection Type
    Flange 1st end
  • Valve Size
    1.000 inches
  • Thickness
    1.125 inches 2nd end
  • First Connection Face To Centerline Distance
    1.375 inches
  • Bolt Hole Diameter
    0.532 inches 2nd end
  • Second Connection Face To Centerline Distance
    1.562 inches
  • Bolt Circle Diameter
    2.313 inches 2nd end
  • Center To Center Distance Between Bolt Holes Along Length
    1.625 inches 1st end
  • Center To Center Distance Between Bolt Holes Along Width
    1.625 inches 1st end
  • Flange Face Design
    Recessed straight 1st end
  • Recess Diameter
    1.725 inches 1st end
  • Recess Depth
    0.125 inches 1st end
  • Material
    Steel flow control device
  • Style Designator
    Angle flanged ends
Safety Relief Valve

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes valve (1), relief, pressure and temperature.

Mechanic Bill explains Velocity Fuse

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NSN 4820004006785

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
998-0510-09 Copeland Corp
510-0063-00 Copeland Corp
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