NSN 4820-01-283-9425
Velocity Fuse
About this product
Disk flow control device, inside spring bonnet type, union bonnet attachment method, disk loading method: spring.
Manufacturer part number NMP-1521 OPT 1 1 for national stock number 4820012839425.
Datasheet
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Product description
Safety Relief Valve NSN 4820-01-283-9425.
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MPN or Model
NMP-1521 OPT 1 1
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Schedule B
8481.40.0000 (Safety or relief valves) -
NMF (National Motor Freight)
051080 - Faucets, Bibcocks, Gates Valves -
Unit Weight (Est.)
0.1 lb -
Flow Control Device
Disk -
Bonnet Type
Inside spring -
Bonnet Attachment Method
Union -
Disk Loading Method
Spring -
Bolt Hole Quantity
4 all ends -
Valve Operation Method
Automatic -
Flange Shape
Round with holes all ends -
Connection Type
Flange all ends -
Valve Size
0.500 inches -
Adjustable Pressure Range
+156.0/+186.0 pounds per square inch -
Outside Diameter
4.250 inches 1st end -
Thickness
0.562 inches 1st end -
First Connection Face To Centerline Distance
3.312 inches -
Bolt Hole Diameter
0.625 inches 2nd end -
Second Connection Face To Centerline Distance
3.250 inches -
Bolt Circle Diameter
3.125 inches 1st end -
Flange Face Design
Raised straight all ends -
Raised Face Height
0.250 inches 2nd end -
Raised Face Diameter
2.000 inches 1st end -
Material
Stainless steel stem -
Style Designator
Err-090
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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](/public/images/billy-thinking.png)
Pricing and Availability
Get a quote for 4820-01-283-9425 safety relief valveManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
---|---|
NMP-1521 OPT 1 1 | Pentair Valves & Controls Us Lp |
DX-10C 156T186PS | Pentair Valves & Controls Us Lp |
NMP-1521 | Kunkle Industries Inc |
DX-10C 156T186PSI | Kunkle Industries Inc |
NMP-1521 OPT 1 156T186PSI | Kunkle Industries Inc |
NMP-1521 | Anderson Greenwood Lp |
DX-10C 156T186PSI | Anderson Greenwood Lp |
NMP-1521 OPT 1 156T186PSI | Anderson Greenwood Lp |
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