Model: 9877

Safety Relief Valve

Properties:

Flow Control Device
Disk
Bonnet Type
Inside spring
Bonnet Attachment Method
Bolted
Bolt Hole Quantity
8 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
Valve Size
3.000 inches
Adjustable Pressure Range
+5.0/+150.0 pounds per square inch
Maximum Operating Pressure
150.0 pounds per square inch single response
Outside Diameter
6.625 inches all ends
Thickness
0.500 inches 2nd end
Thickness
1.000 inches 1st end
First Connection Face To Centerline Distance
6.000 inches
Bolt Hole Diameter
0.562 inches all ends
Second Connection Face To Centerline Distance
5.500 inches
Bolt Circle Diameter
5.500 inches all ends
Flange Face Design
Plain 2nd end
Flange Face Design
Recessed straight 1st end
Recess Diameter
3.000 inches 1st end
Material
Copper alloy body
Material
Nickel alloy seat
Material
Nickel alloy flow control device
Material
Steel comp 316 stem
Media For Which Designed
Steam 1st response
Media For Which Designed
Water-oil-gas 2nd response
NSN
4820-01-130-2157
Part Number
9877
Description
Valve,safety Relief
CAGE
15187

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 9877 NSN 4820-01-130-2157

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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
127220
UFC:
64490
LTL:
77.5
LCL:
--
WCC:
671
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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