Model: 8-250-590

Fluid Pressure Regulating Valve

Properties:

Body Material

Brass

Body Style

Straight thru

Stem Material

Steel

Furnished Items

Automatic relief valve and inlet pressure gage and internal pilot valve and needle valve and outlet pressure gage

Media For Which Designed

Helium

First End Connection Type

Threaded external tube

First End Outside Diameter Tube Accommodated

0.625 inches

First End Thread Size And Series/type Designator

7/8-16 un

First End Thread Direction

Left-hand

Second End Relationship With First End

Not identical

Second End Connection Type

Threaded external pipe

Second End Style Designator

Plain

Second End Thread Size And Series/type Designator

1/2-14 npt

Second End Thread Direction

Right-hand

Seat Material

Brass

Flow Control Device

Stem and integral disk

Flow Control Device Material

Brass and nonmetallic composition

End Connection Quantity

Outlet Pressure Range

+5.0/+250.0 pounds per square inch

Outlet Pressure Range

+5.0 to 250.0 pounds per square inch

Regulation Type

1st stage automatic, 2nd stage manual

Manual Control Method

Wheel

Valve Stem Design

Single seat

Valve Loading Method

Spring

Maximum Inlet Pressure Rating

3000.0 pounds per square inch

Outlet Pressure Accuracy Rating

Not rated

Filter

Included

Unable To Decode

Unable to decode and unable to decode

Unable To Decode

Unable to decode and unable to decode

NSN

4820-00-106-4954

Part Number

8-250-590

Description

Valve,regulating,fluid Pressure

CAGE

96355

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 8-250-590 NSN 4820-00-106-4954

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

27565

FIIG:

A21100

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

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:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

127220

UFC:

64490

LTL:

77.5

LCL:

77.5

WCC:

594

TCC:

SHC:

ACC:

Construction Materials

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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