Model: 3868-143PCV3

Safety Relief Valve

Properties:

Flow Control Device
Poppet
Disk Loading Method
Spring
Valve Operation Method
Automatic
Adjustable Pressure Range
+0.0/+1000.0 pounds per square inch
Maximum Operating Pressure
3500.0 pounds per square inch single response
Material
Copper alloy flow control device and nickel alloy flow control device
Material
Copper alloy stem
Material
Copper alloy body
Material
Nickel alloy seat
Media For Which Designed
Steam single response
Style Designator
Angle
Nondefinitive Specification/std Data
A2 type and c class
Reference Number Differentiating Characteristics
As differentiated by size 3/4 in. By 1 1/4 in.
NSN
4820-00-639-9393
Part Number
3868-143PCV3
Description
Valve,safety Relief
CAGE
96169

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 3868-143PCV3 NSN 4820-00-639-9393

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:
A
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:
Trailers/Vehicles

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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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