Model: P9579BFIG658M0DFLANGES

Safety Relief Valve

Properties:

Flow Control Device
Disk
Bonnet Type
Inside screw
Bonnet Attachment Method
Integral
Disk Loading Method
Spring
Bolt Hole Quantity
4 all ends
Maximum Operating Temp
425.0 degrees fahrenheit single response
Valve Operation Method
Automatic
Flange Shape
Round with holes all ends
Connection Type
Flange all ends
Features Provided
Pressure tight outlet side
Valve Size
0.750 inches
Adjustable Pressure Range
+7.0/+25.0 pounds per square inch
Maximum Operating Pressure
100.0 pounds per square inch single response
Outside Diameter
3.813 inches all ends
Thickness
0.438 inches all ends
First Connection Face To Centerline Distance
2.438 inches
Bolt Hole Diameter
0.562 inches all ends
Second Connection Face To Centerline Distance
2.500 inches
Bolt Circle Diameter
2.688 inches all ends
Flange Face Design
Plain all ends
Material
Copper alloy flow control device
Material
Copper alloy seat
Material
Copper alloy stem
Material
Copper alloy body
Media For Which Designed
Oil single response
Style Designator
Angle flanged ends
NSN
4820-00-640-0458
Part Number
P9579BFIG658M0DFLANGES
Description
Valve,safety Relief
CAGE
37239

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 P9579BFIG658M0DFLANGES NSN 4820-00-640-0458

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:
U
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
127220
UFC:
64490
LTL:
77.5
LCL:
--
WCC:
594
TCC:
Z
SHC:
9
ACC:
Construction Materials

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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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