Model: 7814-00X781500

Stop-check Valve

Properties:

Pipe Size Accommodated
0.500 inches 1st end
Bonnet Type
Outside screw-yoke
Connection Type
Butt weld pipe 1st end
Mounting Position
Horizontal
Maximum Operating Pressure
2500.0 pounds per square inch single response
Criticality Code Justification
Zzzy
Material
Cobalt alloy body lining
Material
Cobalt alloy flow control device
Material
Nickel alloy body
Media For Which Designed
Water, fresh single response
Style Designator
Straight thru
Reference Number Differentiating Characteristics
Selected and tested for nuclear propulsion plant systems
NSN
4820-00-585-2607
Part Number
7814-00X781500
Description
Valve,stop-check
CAGE
85578

A valve with a bolt or stem that may be mechanically actuated to two different positions by rotary or linear motion. In the first position, the valve disk is located and locked against the seat permitting no fluid flow through the valve. In the second position, one side of the valve disk is located against the seat permitting movement of the disk in a manner that will allow a flow of fluid in one direction through the valve. The valve disk may be spring loaded. It may be inline or cartridge (manifold) design. See also valve (1), lift-check and valve (1), stop-lift-check.

Part 7814-00X781500 NSN 4820-00-585-2607

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05486
FIIG:
A530B0
Concept No.:
1
App. Key:
Cond. Code:
2
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:
Y

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
127220
UFC:
64490
LTL:
77.5
LCL:
77.5
WCC:
594
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 8481309000
  • SITC: 74730
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Check valves of materials other than copper, iron or steel

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