Model: R502

Fluid Pressure Regulating Valve

Properties:

Body Material
Aluminum alloy
Body Style
Angle
Furnished Items
Flowmeter and inlet pressure gage
Media For Which Designed
Argon and helium and nitrogen, gaseous
First End Connection Type
Threaded internal tube
First End Style Designator
High pressure flare (used with male threaded style no. 39)
First End Outside Diameter Tube Accommodated
0.375 inches
First End Thread Size And Series/type Designator
5/8-18 unf
First End Thread Class
2b
First End Thread Direction
Right-hand
Second End Relationship With First End
Not identical
Second End Connection Type
Threaded external gas cylinder
Second End Style Designator
Swivel nut, flared
Second End Thread Size And Series/type Designator
0.960-14 ngo
Second End Thread Direction
Right-hand
Flow Control Device
Needle
Flow Control Device Material
Brass
End Connection Quantity
2
Regulation Type
1st stage automatic, 2nd stage manual
Manual Control Method
Knob
Valve Loading Method
Spring
Outlet Pressure Setting
50.0 pounds per square inch
Filter
Included
Tempurature Rating
Between -40.0 degrees fahrenheit and 165.0 degrees fahrenheit
NSN
4820-00-664-6655
Part Number
R502
Description
Valve,regulating,fluid Pressure
CAGE
30367

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 R502 NSN 4820-00-664-6655

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
7.5 X 6.5 X 5.5
Paclk Weight:
4.3000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
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: 8481809015
  • SITC: 74780
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Regulator valves, self-operating, for controlling variables such as temperature, pressure, flow and liquid level

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