Model: 1602

Safety Relief Valve

Properties:

Pipe Size Accommodated
3.000 inches 1st end
Thread Direction
Right-hand 1st end
Flow Control Device
Disk
Disk Loading Method
Spring
Valve Discharge Flow Rate
12700.0 pounds per hour
Maximum Operating Temp
450.0 degrees fahrenheit single response
Connection Style
G9 plain, optional en (pipe) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded internal pipe 1st end
Features Provided
Pressure tight outlet side
Thready Qty Per Inch (tpi)
8 1st end
Maximum Operating Pressure
250.0 pounds per square inch single response
Thread Size
3.000 inches 1st end
Opening Pressure Setting
125.0 pounds per square inch
Material
Copper alloy stem
Material
Iron cast body
Material
Stainless steel flow control device
Material
Stainless steel seat
Media For Which Designed
Steam single response
Thread Series Designator
Npt 1st end
NSN
4820-00-998-2479
Part Number
1602
Description
Valve,safety Relief
CAGE
38056

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 1602 NSN 4820-00-998-2479

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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