NSN 4820-01-190-0353
Velocity Fuse
About this product
Disk flow control device, spring disk loading method, g9 plain, optional en (pipe) all ends connection style, valve operation method: automatic.
Manufacturer part number 637B-2-1/4-2 for national stock number 4820011900353.
Datasheet
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Product description
Safety Relief Valve NSN 4820-01-190-0353.
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MPN or Model
637B-2-1/4-2
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Schedule B
8481.40.0000 (Safety or relief valves) -
NMF (National Motor Freight)
127220 - Pressure Reg/red/relief Valves NOI -
Unit Weight (Est.)
0.8 lb -
Thread Direction
Right-hand 1st end -
Flow Control Device
Disk -
Disk Loading Method
Spring -
Maximum Operating Temp
225.0 degrees fahrenheit single response -
Connection Style
G9 plain, optional en (pipe) all ends -
Valve Operation Method
Automatic -
Connection Type
Threaded internal pipe all ends -
Maximum Operating Pressure
3100.0 pounds per square inch single response -
Thread Size
0.250 inches 1st end -
Opening Pressure Setting
35.0 pounds per square inch -
Material
Copper alloy body -
Media For Which Designed
Liquid, ingested 2nd response -
Style Designator
Err-090 -
Thread Series Designator
Npt 1st end
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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.
Pricing and Availability
Get a quote for 4820-01-190-0353 safety relief valveManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
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637B-2-1/4-2 | Teledyne Reynolds, Inc. |
4706K252 | Mcmaster-carr Supply Company |
Stock Check
Availability for this item was last checked on 09/09/21.
The quantities and conditions available at the time were:
- NS: 1
- NE: 26