Model: 189 3-4INMPT3300PSI

Safety Relief Valve

Properties:

Pipe Size Accommodated
0.750 inches all ends
Thread Direction
Right-hand all ends
Flow Control Device
Disk
Disk Loading Method
Spring
Maximum Operating Temp
300.0 degrees fahrenheit single response
Connection Style
G46b plain (pipe) all ends
Valve Operation Method
Automatic or manual
Connection Type
Threaded external pipe all ends
Features Provided
Valve stem lock shield and pressure tight outlet side
Maximum Operating Pressure
5000.0 pounds per square inch single response
Thread Size
0.750 inches all ends
Opening Pressure Setting
3300.0 pounds per square inch
Material
Copper alloy body
Material
Plastic flow control device
Material
Stainless steel seat
Material
Stainless steel stem
Media For Which Designed
Air 1st response
Media For Which Designed
Gas, natural 2nd response
Surface Treatment
Passivate
Thread Series Designator
Npt all ends
NSN
4820-00-810-2030
Part Number
189 3-4INMPT3300PSI
Description
Valve,safety Relief
CAGE
01343

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 189 3-4INMPT3300PSI NSN 4820-00-810-2030

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:
--
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:
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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