Model: D559T-2M-10.5

Safety Relief Valve

Special Features:

operating pressure and temp 13.9 psi and 250.0 f, deigned for gas inert and ammonia media

Properties:

Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Maximum Operating Temp
250.0 degrees fahrenheit 1st response
Maximum Operating Temp
250.0 degrees fahrenheit 2nd response
Maximum Operating Temp
250.0 degrees fahrenheit 3rd response
Maximum Operating Temp
250.0 degrees fahrenheit 4th response
Maximum Operating Temp
250.0 degrees fahrenheit 5th response
Connection Style
G46b plain (pipe) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded external pipe 1st end
Maximum Operating Pressure
13.9 pounds per square inch 1st response
Maximum Operating Pressure
13.9 pounds per square inch 2nd response
Maximum Operating Pressure
13.9 pounds per square inch 3rd response
Maximum Operating Pressure
13.9 pounds per square inch 4th response
Maximum Operating Pressure
13.9 pounds per square inch 5th response
Thread Size
0.250 inches 1st end
Material
Steel comp 303 body
Material Specification
Aisi 303 assn standard single material response body
Media For Which Designed
Refrigerant 12 4th response
Media For Which Designed
Acetylene 2nd response
Media For Which Designed
Air 1st response
Media For Which Designed
Hydrogen 5th response
Thread Series Designator
Npt 1st end
NSN
4820-01-200-7055
Part Number
D559T-2M-10.5
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-2M-10.5 NSN 4820-01-200-7055

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

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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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