Model: 1543G-XMY1 1 1/4 SET 6PSI

Safety Relief Valve

Properties:

Thread Direction
Right-hand all ends
Flow Control Device
Disk
Bonnet Type
Inside screw
Bonnet Attachment Method
Threaded
Maximum Operating Temp
406.0 degrees fahrenheit single response
Connection Style
G46b plain (pipe) 1st endg9 plain, optional en (pipe) 2nd end
Valve Operation Method
Automatic or manual
Connection Type
Threaded external pipe 1st endthreaded internal pipe 2nd end
Maximum Operating Pressure
300.0 pounds per square inch 1st response250.0 pounds per square inch 2nd response
Thread Size
1.250 inches 1st end1.500 inches 2nd end
Opening Pressure Setting
6.0 pounds per square inch
Material
Bronze bodycopper alloy flow control device
Media For Which Designed
Air 1st responsegas, inert 2nd responsesteam 3rd response
Thread Series Designator
Npt all ends
NSN
4820-01-356-8633
Part Number
1543G-XMY1 1 1/4 SET 6PSI
Description
Valve,safety Relief
CAGE
38056

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 1543G-XMY1 1 1/4 SET 6PSI NSN 4820-01-356-8633

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:
7.0000lbs
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

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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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