NSN 4820-00-757-4329
Velocity Fuse
About this product
Poppet flow control device, inside spring bonnet type, threaded bonnet attachment method, disk loading method: spring.
Manufacturer part number 629XB1-4-2 for national stock number 4820007574329.
Datasheet
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Product description
Safety Relief Valve NSN 4820-00-757-4329.
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MPN or Model
629XB1-4-2
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Schedule B
8481.40.0000 (Safety or relief valves) -
NMF (National Motor Freight)
127220 - Pressure Reg/red/relief Valves NOI -
Thread Class
3a all ends -
Thread Direction
Right-hand all ends -
Flow Control Device
Poppet -
Bonnet Type
Inside spring -
Bonnet Attachment Method
Threaded -
Disk Loading Method
Spring -
Maximum Operating Temp
225.0 degrees fahrenheit single response -
Connection Style
Flared (tube) all ends -
Valve Operation Method
Automatic -
Connection Type
Threaded external tube all ends -
Features Provided
Bonnet packing and pressure tight outlet side -
Adjustable Pressure Range
+4.0/+15.0 pounds per square inch -
Maximum Operating Pressure
3100.0 pounds per square inch single response -
Thread Size
0.437 inches all ends -
Seat Angle
37.0 degrees all ends -
Opening Pressure Setting
10.0 pounds per square inch -
Outside Diameter Tube Accommodated
0.250 inches all ends -
Material
Rubber butadiene-acrylonitrile class nbr flow control device -
Media For Which Designed
Water-oil-gas single response -
Surface Treatment
Anodize -
Style Designator
Angle -
Thread Series Designator
Unf all ends
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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 4820-00-757-4329 safety relief valveManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
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629XB1-4-2 | Teledyne Industries Inc |
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