Model: 18H-580

Fluid Pressure Regulating Valve

Properties:

Body Material

Brass

Outside Surface Treatment

Chrome-nickel plated

Body Style

Angle

Furnished Items

Adapter and outlet pressure gage

Media For Which Designed

Argon or helium and nitrogen, gaseous

First End Connection Type

Threaded external pipe

First End Style Designator

Plain

First End Thread Size And Series/type Designator

1/4-18 npt

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

Seat Material

Steel, corrosion resisting

Flow Control Device

Cone and diaphragm

End Connection Quantity

Second End Thread Pitch Diameters

+0.9100/+0.9136 inches

Outlet Pressure Range

+0.0/+200.0 pounds per square inch

Regulation Type

Automatic single stage

Valve Loading Method

Spring

Maximum Inlet Pressure Rating

3000.0 pounds per square inch

NSN

4820-00-922-0085

Part Number

18H-580

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 18H-580 NSN 4820-00-922-0085

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:

5.5000lbs

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:

050855

UFC:

29290

LTL:

RATING VARIABLE

LCL:

WCC:

576

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