Model: AD834

Safety Relief Valve

Special Features:

With vent 0.218 in. Id

Properties:

Thread Class
3b all ends
Thread Direction
Right-hand all ends
Flow Control Device
Diaphragm
Bonnet Type
Inside screw
Bonnet Attachment Method
Threaded
Disk Loading Method
Spring
Connection Style
G4 gasket sea (boss) all ends
Connection Style
Gasket sea (boss) all ends
Valve Operation Method
Automatic
Connection Type
Threaded internal boss all ends
Features Provided
Pressure tight outlet side
Maximum Operating Pressure
3500.0 pounds per square inch single response
Thread Size
0.437 inches all ends
Opening Pressure Setting
2000.0 pounds per square inch
Material
Aluminum body
Material
Aluminum stem
Material
Plastic flow control device
Media For Which Designed
Water-oil-gas single response
Surface Treatment
Paint
Style Designator
Straight through note: to be used for valve bodies of one section only.
Thread Series Designator
Unjf all ends
NSN
4820-00-363-4124
Part Number
AD834
Description
Valve,safety Relief
CAGE
82990

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 AD834 NSN 4820-00-363-4124

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:
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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