Model: 8503733-19

Safety Relief Valve

Properties:

Flow Control Device
Disk
Disk Loading Method
Spring
Valve Discharge Flow Rate
665.0 pounds per hour
Bolt Hole Quantity
4 all ends
Valve Operation Method
Automatic
Flange Shape
Round with holes all ends
Connection Type
Flange all ends
Adjustable Pressure Range
+19.0/+28.0 pounds per square inch
Opening Pressure Setting
25.0 pounds per square inch
Outside Diameter
4.250 inches 2nd end
Outside Diameter
6.000 inches 1st end
Thickness
0.625 inches 1st end
Bolt Hole Diameter
0.625 inches 2nd end
Bolt Hole Diameter
0.750 inches 1st end
Bolt Circle Diameter
3.125 inches 2nd end
Bolt Circle Diameter
4.750 inches 1st end
Flange Face Design
Raised straight all ends
Raised Face Height
0.062 inches 1st end
Raised Face Diameter
2.000 inches 2nd end
Raised Face Diameter
3.625 inches 1st end
Material
Steel body
Material
Stainless steel flow control device
Material
Stainless steel seat
Media For Which Designed
Steam single response
NSN
4820-01-263-3046
Part Number
8503733-19
Description
Valve,safety Relief
CAGE
75954

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 8503733-19 NSN 4820-01-263-3046

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:
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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