Model: 87TC

Safety Relief Valve

Properties:

Pipe Size Accommodated
0.750 inches 2nd end
Pipe Size Accommodated
1.000 inches 1st end
Thread Direction
Right-hand 2nd end
Thread Direction
Right-hand 1st end
Flow Control Device
Disk
Disk Loading Method
Spring
Maximum Operating Temp
300.0 degrees fahrenheit 1st response
Maximum Operating Temp
400.0 degrees fahrenheit 2nd response
Maximum Operating Temp
400.0 degrees fahrenheit 3rd response
Connection Style
G46b plain (pipe) 2nd end
Connection Style
G9 plain, optional en (pipe) 1st end
Connection Style
Plain (pipe) 2nd end
Connection Style
Plain, optional en (pipe) 1st end
Connection Type
Threaded external pipe 2nd end
Connection Type
Threaded internal pipe 1st end
Adjustable Pressure Range
+15.0/+300.0 pounds per square inch
Maximum Operating Pressure
300.0 pounds per square inch 1st response
Maximum Operating Pressure
300.0 pounds per square inch 2nd response
Maximum Operating Pressure
300.0 pounds per square inch 3rd response
Opening Pressure Setting
31.0 pounds per square inch
Material
Copper alloy
Media For Which Designed
Alcohol, ethyl 1st response
Media For Which Designed
Gas, inert 2nd response
Media For Which Designed
Oxygen, gaseous 3rd response
Style Designator
Angle
NSN
4820-00-561-4195
Part Number
87TC
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 87TC NSN 4820-00-561-4195

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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