Model: 28121-1100PSI

Safety Relief Valve

Properties:

Thread Direction
Right-hand all ends
Flow Control Device
Poppet
Valve Discharge Flow Rate
60.0 cubic feet per minute
Maximum Operating Temp
185.0 degrees fahrenheit single response
Connection Style
G46b plain (pipe) all ends
Connection Style
Plain (pipe) all ends
Valve Operation Method
Automatic
Connection Type
Threaded external pipe all ends
Maximum Operating Pressure
1500.0 pounds per square inch single response
Thread Size
0.250 inches all ends
Opening Pressure Setting
1100.0 pounds per square inch
Material
Aluminum alloy body
Material
Stainless steel flow control device
Material
Stainless steel seat
Media For Which Designed
Air 1st response
Media For Which Designed
Gas, inert 2nd response
Style Designator
Angle
Thread Series Designator
Npt all ends
NSN
4820-00-775-5765
Part Number
28121-1100PSI
Description
Valve,safety Relief
CAGE
5RQL2

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 28121-1100PSI NSN 4820-00-775-5765

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:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.8000lbs
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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