Model: 20049R51M

Safety Relief Valve

Properties:

Pipe Size Accommodated
0.500 inches 2nd end
Flow Control Device
Disk
Bonnet Type
Inside screw
Bonnet Attachment Method
Bolted
Valve Operation Method
Automatic
Flange Shape
Round 1st end
Connection Type
Flange 1st end
Connection Type
Unthreaded internal pipe 2nd end
Valve Size
0.500 inches
Adjustable Pressure Range
+151.0/+180.0 pounds per square inch
Outside Diameter
4.000 inches 1st end
Thickness
0.688 inches 1st end
Flange Face Design
Plain 1st end
Material
Copper alloy body
Material
Nickel alloy seat
Material
Nickel alloy flow control device
Material
Steel stem
Media For Which Designed
Water-oil-gas single response
NSN
4820-01-288-3830
Part Number
20049R51M
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 20049R51M NSN 4820-01-288-3830

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:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

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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