Model: 821907-1

Safety Relief Valve

Properties:

Thread Class
2a all ends
Thread Direction
Right-hand all ends
Flow Control Device
Spool
Valve Discharge Flow Rate
40.0 gallons per minute
Connection Style
G46a plain (tube) all ends
Valve Operation Method
Automatic
Connection Type
Threaded cartridge all ends
Thready Qty Per Inch (tpi)
14 all ends
Adjustable Pressure Range
+150.0/+1500.0 pounds per square inch
Maximum Operating Pressure
6000.0 pounds per square inch single response
Thread Size
1.000 inches all ends
Material
Steel body
Thread Series Designator
Uns all ends
NSN
4820-00-834-4978
Part Number
821907-1
Description
Valve,safety Relief
CAGE
80206

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 821907-1 NSN 4820-00-834-4978

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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
051080
UFC:
29300
LTL:
RATING VARIABLE
LCL:
--
WCC:
723
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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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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