Model: CVA1257

Fluid Pressure Regulating Valve

Properties:

Body Material
Aluminum alloy
Outside Surface Treatment
Anodized
Body Style
Tee
Stem Material
Steel, corrosion resisting
Furnished Items
Automatic relief valve
Media For Which Designed
Air
First End Connection Type
Threaded internal boss
First End Style Designator
Gasket seal
First End Thread Size And Series/type Designator
7/16-20 unf
First End Thread Class
3b
First End Thread Direction
Right-hand
Second End Relationship With First End
Identical
Third End Relationship With Preceding Ends
Identical with first end
Seat Material
Steel, corrosion resisting
Packing Material
Rubber, synthetic
Flow Control Device
Poppet
End Connection Quantity
3
Regulation Type
Automatic double stage
Valve Stem Design
Single seat
Valve Loading Method
Spring
Remote Actuation Method
Piston
Maximum Inlet Pressure Rating
200.0 pounds per square inch
Outlet Pressure Setting
40.0 pounds per square inch
Filter
Not included
Tempurature Rating
Between 100.0 degrees fahrenheit and 305.0 degrees fahrenheit
NSN
4810-00-626-9836
Part Number
CVA1257
Description
Valve,regulating,fluid Pressure
CAGE

A valve designed to automatically maintain within close limits a predetermined outlet pressure which may be adjustable within a specified range regardless of the higher fluctuating or constant inlet pressure. It is designed for use with compressed gas(es) and various liquids and may include gauges. It may be inline or cartridge (manifold) design. Excludes regulator, pressure, medical gas administration apparatus; regulator, oxygen, barometric continuous flow; regulator, oxygen demand; regulator, oxygen diluter demand; and valve(1), fluid pressure regulating, aircraft.

Part CVA1257 NSN 4810-00-626-9836

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
27565
FIIG:
A21100
Concept No.:
1
App. Key:
D
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

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: 8481400000
  • SITC: 74740
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Safety or relief valves

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