Model: SW131C03B0440,C

Safety Relief Valve

Special Features:

6valve is supples less warn ring (pc 24) set screw (pc 25) and set screw gasket (pc 26); body is supplied with undrilled hole for set screw. End connections iaw newport news shipbuilding drawing 801-6405504 2 1/2 inch size. Shock test/approved doc. No 802-6335704 medium weight, grade a, type a, class 1, deck mount, report aero nav laboratory inc 5-3265-3 dated june 2, 1995. Vibration test/approved type 1 up to and including 25 hz per haynes testing laboratories report no. 95321 dated june 9-13, 1995

Properties:

Flow Control Device
Disk
Valve Discharge Flow Rate
661.0 gallons per minute
Maximum Operating Temp
160.0 degrees fahrenheit single response
End Application
Virginia class ssn; w/s seawolf class ssn
Valve Operation Method
Automatic
Valve Size
2.500 inches
Maximum Operating Pressure
500.0 pounds per square inch single response
First Connection Face To Centerline Distance
5.500 inches
Second Connection Face To Centerline Distance
5.500 inches
Material
Copper alloy 922 body
Material
Nickel alloy seat
Material
Nickel alloy stem
Material
Nickel alloy flow control device
Material
Plastic polytetrafluoroethylene packing
Material Specification
Ams 3660 assn standard single material response packing
Material Specification
Astm b61 assn standard single material response body
Material Specification
Qq-n-281 federal specification single material response flow control device
Material Specification
Qq-n-281 federal specification single material response stem
Material Specification
Qq-n-288 comp a federal specification single material response seat
Media For Which Designed
Fuel/oil, hydrocarbon single response
NSN
4820-01-500-9853
Part Number
SW131C03B0440,C
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 SW131C03B0440,C NSN 4820-01-500-9853

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

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:
F
LVL_B:
Q

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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