Model: SF186

Stop-check Valve

Properties:

Flow Control Device
Disk
Bonnet Type
Outside screw-yoke
Bonnet Attachment Method
Bolted
Disk Loading Method
Spring
Maximum Operating Temp
140.0 degrees fahrenheit single response
Valve Operation Method
Manual
Mounting Position
Vertical
Maximum Operating Pressure
150.0 pounds per square inch single response
Material
Steel body
Material Specification
Qq-c-390, alloy a4 federal specification single material response body
Media For Which Designed
Water, fresh single response
Style Designator
Angle
NSN
4820-01-015-7180
Part Number
SF186
Description
Valve,stop-check
CAGE
86186

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 SF186 NSN 4820-01-015-7180

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:
U
ESD:
ESD:
MMAC:
CRITL:
X

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Schedule B and Export
  • Schedule B: 8481302090
  • SITC: 74730
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Check valves of steel

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