Model: AA21302

Safety Relief Valve

Properties:

Flow Control Device
Disk
Bonnet Type
Inside spring
Bonnet Attachment Method
Bolted
Disk Loading Method
Spring
Bolt Hole Quantity
6 1st end
Valve Operation Method
Automatic or manual
Flange Shape
Round with holes 1st end
Connection Type
Flange 2nd end
Connection Type
Flange 1st end
Features Provided
Valve stem lock shield and bonnet packing and pressure tight outlet side
Adjustable Pressure Range
+25.0/+50.0 pounds per square inch
Maximum Operating Pressure
75.0 pounds per square inch single response
Outside Diameter
5.562 inches 1st end
Face To Face Distance
9.000 inches
Thickness
0.438 inches 1st end
Bolt Hole Diameter
0.562 inches 1st end
Bolt Circle Diameter
4.438 inches 1st end
Flange Face Design
Plain 1st end
Material
Copper alloy flow control device
Material
Copper alloy seat
Material
Copper alloy body
Material
Nickel alloy stem
Media For Which Designed
Water, fresh single response
Style Designator
Straight through flanged ends
NSN
4820-00-202-8848
Part Number
AA21302
Description
Valve,safety Relief
CAGE
34889

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.

Part AA21302 NSN 4820-00-202-8848

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05488
FIIG:
A046B0
Concept No.:
1
App. Key:
AP
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
CRITL:
X

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Schedule B and Export
  • Schedule B: 8481400000
  • SITC: 74740
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Safety or relief valves

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