Model: VAL1123

Safety Relief Valve

Properties:

Pipe Size Accommodated
3.000 inches 2nd end
Thread Direction
Right-hand 2nd end
Flow Control Device
Disk
Bonnet Type
Inside spring
Bonnet Attachment Method
Bolted
Disk Loading Method
Spring
Bolt Hole Quantity
8 1st end
Maximum Operating Temp
200.0 degrees fahrenheit single response
Connection Style
G9 plain, optional en (pipe) 2nd end
Valve Operation Method
Automatic
Flange Shape
Round with holes 1st end
Connection Type
Flange 1st end
Connection Type
Threaded internal pipe 2nd end
Features Provided
Pressure tight outlet side
Thready Qty Per Inch (tpi)
8 2nd end
Adjustable Pressure Range
+10.0/+300.0 pounds per square inch
Maximum Operating Pressure
300.0 pounds per square inch single response
Thread Size
3.000 inches 2nd end
Opening Pressure Setting
23.0 pounds per square inch
Outside Diameter
8.000 inches 1st end
Bolt Hole Diameter
0.750 inches 1st end
Bolt Circle Diameter
6.625 inches 1st end
Flange Face Design
Raised straight 1st end
Raised Face Height
0.062 inches 1st end
Raised Face Diameter
4.250 inches 1st end
Material
Copper alloy flow control device
Material
Copper alloy seat
Material
Copper alloy stem
Material
Iron cast body
Thread Series Designator
Npt 2nd end
Reference Number Differentiating Characteristics
As differentiated by opening size, thd and pipe size, and opening pressure setting
NSN
4820-00-851-0158
Part Number
VAL1123
Description
Valve,safety Relief
CAGE
60532

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 VAL1123 NSN 4820-00-851-0158

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

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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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