Model: 7490-702

Stop-check Valve

Special Features:

Mfg suggests using part number, certification data sheet, and drawing number when ordering; trim material; disk & seat/stellite 6; stem/ss 316

Properties:

Pipe Size Accommodated
3.000 inches all ends
Flow Control Device
Disk
Bonnet Type
Outside screw-yoke
Bonnet Attachment Method
Bolted
End Application
Arleigh burke class ddg
Connection Style
Beveled (pipe) all ends
Valve Operation Method
Automatic or manual
Connection Type
Butt weld pipe all ends
Mounting Position
Horizontal
Maximum Operating Pressure
300.0 pounds per square inch single response
Part Name Assigned By Controlling Agency
3" stop check valve - ansi 300 lb class
Material
Graphite packing
Material
Steel comp 316 flow control device
Material
Steel comp 316 seat
Material
Steel comp 316 stem
Material
Stainless steel body
Material Specification
Astm a351, gr cf8m assn standard single material response body
Material Specification
Astm a182, type 316 assn standard single material response flow control device
Material Specification
Astm a182, type 316 assn standard single material response seat
Material Specification
Astm a479, type 316 assn standard single material response stem
Material Specification
Mil-p-24583, type 1, cl 3, gr 1 military specification 1st material response packing and mil-p-24503, type 2, cl 1, gr 1 military specification 1st material response packing
Media For Which Designed
Liquid single response
Style Designator
Straight thru
Furnished Items And Quantity
1 handwheel
NSN
4820-01-469-5772
Part Number
7490-702
Description
Valve,stop-check
CAGE
57574

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 7490-702 NSN 4820-01-469-5772

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:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
051080
UFC:
29300
LTL:
RATING VARIABLE
LCL:
--
WCC:
594
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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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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