Model: C225-7

Safety Relief Valve

Special Features:

Furnished w/defector cap

Properties:

Thread Class
3a 1st end
Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Disk Loading Method
Spring
Valve Discharge Flow Rate
1.5 cubic feet per minute
Maximum Operating Temp
-100.0 degrees fahrenheit 1st response400.0 degrees fahrenheit 2nd response
Connection Style
G46a plain (tube) 1st end
Connection Style
Plain (tube) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded external tube 1st end
Maximum Operating Pressure
200.0 pounds per square inch single response
Thread Size
0.437 inches 1st end
Opening Pressure Setting
65.0 pounds per square inch
Outside Diameter Tube Accommodated
0.250 inches 1st end
Material
Aluminum alloy 2024 flow control device
Material
Aluminum alloy 2024 seat
Material
Aluminum alloy 2024 body
Material Specification
Qq-a-250/4, alloy 2024 federal specification single material response body
Material Specification
Qq-a-250/4, alloy 2024 federal specification single material response flow control device
Material Specification
Qq-a-250/4, alloy 2024 federal specification single material response seat
Media For Which Designed
Air 1st response
Media For Which Designed
Carbon dioxide 2nd response
Media For Which Designed
Helium 3rd response
Media For Which Designed
Hydrogen 4th response
Media For Which Designed
Nitrogen, gaseous 5th response
Style Designator
Straight through w/baffle
Thread Series Designator
Unjf 1st end
NSN
4820-00-419-5838
Part Number
C225-7
Description
Valve,safety Relief
CAGE
81755

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 C225-7 NSN 4820-00-419-5838

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:
U
ESD:
ESD:
MMAC:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
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:
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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