Model: A48377

Safety Relief Valve

Properties:

Flow Control Device
Disk
Bonnet Type
Exposed spring
Bonnet Attachment Method
Bolted
Disk Loading Method
Spring
Valve Discharge Flow Rate
37550.0 pounds per hour
Renewable Seat Ring Type
Threaded
Bolt Hole Quantity
8 1st end
Bolt Hole Quantity
8 2nd end
Valve Operation Method
Automatic
Flange Shape
Round with holes 1st end
Flange Shape
Round with holes 2nd end
Connection Type
Flange 2nd end
Connection Type
Flange 1st end
Features Provided
Pressure tight outlet side
Valve Size
2.500 inches
Opening Pressure Setting
1350.0 pounds per square inch
Outside Diameter
10.000 inches 2nd end
Outside Diameter
9.625 inches 1st end
Thickness
1.188 inches 2nd end
Thickness
1.688 inches 1st end
First Connection Face To Centerline Distance
6.938 inches
Bolt Hole Diameter
0.875 inches 2nd end
Bolt Hole Diameter
1.125 inches 1st end
Second Connection Face To Centerline Distance
7.688 inches
Bolt Circle Diameter
7.875 inches 2nd end
Bolt Circle Diameter
7.500 inches 1st end
Flange Face Design
Raised straight 2nd end
Flange Face Design
Recessed straight 1st end
Raised Face Height
0.062 inches 2nd end
Raised Face Diameter
6.188 inches 2nd end
Recess Diameter
8.750 inches 1st end
Recess Depth
0.062 inches 1st end
Material
Nickel alloy 400 stem
Material
Steel comp 304 flow control device
Material
Steel comp 304 seat
Style Designator
Angle flanged ends
Reference Number Differentiating Characteristics
As differentiated by the valve discharge flow rate requirement
NSN
4820-00-159-0558
Part Number
A48377
Description
Valve,safety Relief
CAGE

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 A48377 NSN 4820-00-159-0558

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
38.0 X 17.0 X 15.0
Paclk Weight:
226.0000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
A
SPI No.:
SPI Rev.:
SPC Mkg:
24
LVL_A:
F
LVL_B:
F

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
127220
UFC:
64490
LTL:
77.5
LCL:
77.5
WCC:
594
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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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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