Model: 20014RS51SS

Safety Relief Valve

Properties:

Flow Control Device
Disk
Bonnet Type
Inside screw
Bonnet Attachment Method
Bolted
Bolt Hole Quantity
4 all ends
Maximum Operating Temp
650.0 degrees fahrenheit single response
Valve Operation Method
Automatic
Flange Shape
Round with holes all ends
Connection Type
Flange all ends
Valve Size
1.250 inches
Adjustable Pressure Range
+151.0/+180.0 pounds per square inch
Maximum Operating Pressure
720.0 pounds per square inch single response
Outside Diameter
4.625 inches 2nd end
Outside Diameter
5.250 inches 1st end
Thickness
0.500 inches 2nd end
Thickness
0.750 inches 1st end
First Connection Face To Centerline Distance
3.844 inches
Bolt Hole Diameter
0.625 inches 2nd end
Bolt Hole Diameter
0.750 inches 1st end
Second Connection Face To Centerline Distance
3.844 inches
Bolt Circle Diameter
3.500 inches 2nd end
Bolt Circle Diameter
3.875 inches 1st end
Flange Face Design
Raised straight all ends
Raised Face Height
0.062 inches all ends
Raised Face Diameter
2.500 inches all ends
Material
Steel body
Material
Steel comp 303 flow control device
Material
Steel comp 303 seat
Material
Steel comp 303 stem
NSN
4820-01-315-0936
Part Number
20014RS51SS
Description
Valve,safety Relief
CAGE
01343

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 20014RS51SS NSN 4820-01-315-0936

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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