Model: D559A12D30

Safety Relief Valve

Special Features:

Max operating pressure and temp, 200 lb psi, 280 degrees f; designed for air, alcohol, ammonia, hydrocarbon fuel/oil, helium, inert gas, and gaseous nitrogen

Properties:

Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Valve Discharge Flow Rate
150.0 pounds per hour
Connection Style
G41b inverted flare (pipe) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded external pipe 1st end
Adjustable Pressure Range
+0.0/+30.0 pounds per square inch
Thread Size
0.250 inches 1st end
Opening Pressure Setting
0.5 pounds per square inch
Material
Aluminum alloy 2024
Material Specification
Qq-a-225/6, t4 federal specification single material response
NSN
4820-01-136-2746
Part Number
D559A12D30
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 D559A12D30 NSN 4820-01-136-2746

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:
U
ESD:
ESD:
MMAC:
CRITL:
X

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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