Model: D559T-12D-125

Safety Relief Valve

Properties:

Thread Class
3a 1st end
Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Maximum Operating Temp
280.0 degrees fahrenheit single response
Connection Style
G42 flared (tube) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded external tube 1st end
Thready Qty Per Inch (tpi)
12 1st end
Maximum Operating Pressure
200.0 pounds per square inch single response
Thread Size
1.062 inches 1st end
Seat Angle
37.0 degrees 1st end
Opening Pressure Setting
125.0 pounds per square inch
Material
Steel comp 303
Material Specification
Aisi 303 assn standard single material response
Media For Which Designed
Air 1st responsealcohol, ethyl 2nd responseammonia, gaseous 3rd responsefuel/oil, hydrocarbon 4th responsehelium 5th response
Thread Series Designator
Unj 1st end
Furnished Items And Quantity
1 deflector cap
NSN
4820-01-134-3834
Part Number
D559T-12D-125
Description
Valve,safety Relief
CAGE
91816

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 D559T-12D-125 NSN 4820-01-134-3834

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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