Model: 1-4D559T4D115

Safety Relief Valve

Properties:

Thread Class
3a 1st end
Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Disk Loading Method
Spring
Maximum Operating Temp
280.0 degrees fahrenheit single response
Connection Style
G46a plain (tube) 1st end
Connection Style
Plain (tube) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded external tube 1st end
Adjustable Pressure Range
+60.0/+150.0 pounds per square inch
Maximum Operating Pressure
200.0 pounds per square inch single response
Thread Size
0.437 inches 1st end
Opening Pressure Setting
115.0 pounds per square inch
Outside Diameter Tube Accommodated
0.250 inches 1st end
Material
Rubber butadiene-acrylonitrile class nbr flow control device
Material
Steel comp 303 body
Material
Steel comp 303 seat
Material Specification
Fed std66, aisi 303/sae 30303 federal standard single material response body
Material Specification
Fed std66, aisi 303/sae 30303 federal standard single material response seat
Media For Which Designed
Acetylene 2nd response
Media For Which Designed
Air 1st response
Media For Which Designed
Ammonia, gaseous 3rd response
Media For Which Designed
Fuel/oil, hydrocarbon 4th response
Media For Which Designed
Helium 5th response
Style Designator
Straight through w/baffle
Thread Series Designator
Unjf 1st end
Furnished Items And Quantity
1 deflector cap
NSN
4820-00-552-2205
Part Number
1-4D559T4D115
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 1-4D559T4D115 NSN 4820-00-552-2205

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
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:
576
TCC:
Z
SHC:
9
ACC:
Construction Materials

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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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