1-321-802-5889

NSN 4820-01-050-9076

Velocity Fuse

About this product

Disk flow control device, spring disk loading method, 4 all ends bolt holes, valve operation method: automatic.

Manufacturer part number 20303 for national stock number 4820010509076.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-01-050-9076.

  • MPN or Model

    20303

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Unit Weight (Est.)
    13.5 lb
  • Flow Control Device
    Disk
  • Disk Loading Method
    Spring
  • Bolt Hole Quantity
    4 all ends
  • Maximum Operating Temp
    165.0 degrees fahrenheit single response
  • End Application
    Ship, ohio class ss (trident)
  • Valve Operation Method
    Automatic
  • Flange Shape
    Round with holes all ends
  • Connection Type
    Flange all ends
  • Valve Size
    0.500 inches
  • Maximum Operating Pressure
    150.0 pounds per square inch single response
  • Opening Pressure Setting
    72.0 pounds per square inch
  • Outside Diameter
    3.562 inches all ends
  • Thickness
    0.375 inches all ends
  • First Connection Face To Centerline Distance
    3.094 inches
  • Bolt Hole Diameter
    0.500 inches all ends
  • Second Connection Face To Centerline Distance
    3.094 inches
  • Bolt Circle Diameter
    2.375 inches all ends
  • Flange Face Design
    Plain swivel all ends
  • Material
    Nickel alloy flow control device
  • Material Specification
    Qq-c-390, alloy d4/d/ federal specification single material response body
  • Media For Which Designed
    Air single response
  • Style Designator
    Err-090
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 4820010509076

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
20303 Pentair Valves & Controls Us Lp
20303K51M4 Pentair Valves & Controls Us Lp
20303 Anderson Greenwood Lp
20303K51M4 Anderson Greenwood Lp
20303 Pentair Valves & Controls Us Lp
20303K51M4 Pentair Valves & Controls Us Lp
20303 Anderson Greenwood Lp
20303K51M4 Anderson Greenwood Lp
20303 Pentair Valves & Controls Us Lp
20303K51M4 Pentair Valves & Controls Us Lp
20303K51M4 Anderson Greenwood Lp
20303 Anderson Greenwood Lp
20303 Pentair Valves & Controls Us Lp
20303K51M4 Pentair Valves & Controls Us Lp
20303K51M4 Anderson Greenwood Lp
20303 Anderson Greenwood Lp
20303K51M4 Anderson Greenwood Lp
20303 Anderson Greenwood Lp
20303K51M4 Pentair Valves & Controls Us Lp
20303 Pentair Valves & Controls Us Lp
20303 Pentair Valves & Controls Us Lp
20303K51M4 Pentair Valves & Controls Us Lp
20303 Anderson Greenwood Lp
20303K51M4 Anderson Greenwood Lp
Stock Check
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