Model: N501

Fluid Pressure Regulating Valve

Properties:

Body Material

Steel

First End Flange Outside Diameter

4.625 inches

Body Style

Straight thru

Media For Which Designed

Steam

First End Connection Type

Raised face flange

First End Style Designator

Raised

First End Flange Shape Style

Round w/ bolt holes

First End Bolt Hole Quantity

First End Bolt Hole Diameter

0.688 inches

First End Bolt Circle Diameter

3.250 inches

Second End Relationship With First End

Identical

Seat Material

Cobalt alloy

Face To Face Distance

8.500 inches

Flow Control Device Material

Cobalt alloy

End Connection Quantity

Renewable Seat Ring Type

Threaded

Outlet Pressure Range

+25.0/+550.0 pounds per square inch

Regulation Type

Manual single stage

Valve Stem Design

Single seat

Valve Loading Method

Dome

Maximum Inlet Pressure Rating

600.0 pounds per square inch

Filter

Not included

Tempurature Rating

750.0 degrees fahrenheit

Reference Number Differentiating Characteristics

As modified by spcc procurement spec

NSN

4820-00-287-2749

Part Number

N501

Description

Valve,regulating,fluid Pressure

CAGE

26505

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 N501 NSN 4820-00-287-2749

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:

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:

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