Model: 40444-4

Fluid Pressure Regulating Valve

Special Features:

This valve is provided with tailpieces, union nuts and silver brazing alloy rings. Retaining rings and o-rings are only provided when specified on order. Similar to 40444-4 assembly 409 which includes piece no. 36, limiting ring, with same end connections and spring with pressure range of 50-125 psi.

Properties:

Body Material

Bronze, astm b61

Body Style

Straight thru

Stem Material

Cast monel astm a494 comp m-35-2

Furnished Items

Tailpiece and union nut

Media For Which Designed

Water, salt

First End Connection Type

Unthreaded internal pipe

First End Style Designator

Socket w/brazing ring

First End Pipe Size Accommodated

1.500 inches

Second End Relationship With First End

Identical

Seat Material

Cast monel astm a494 comp m258

Face To Face Distance

11.938 inches

Flow Control Device

Disk, flat, top and bottom guided

Flow Control Device Material

Rubber, buna-n

End Connection Quantity

Renewable Seat Ring Type

Threaded

Outlet Pressure Range

+50.0/+125.0 pounds per square inch

Regulation Type

Automatic single stage

Valve Stem Design

Single seat

Valve Loading Method

Spring

Remote Actuation Method

Diaphragm

Maximum Inlet Pressure Rating

250.0 pounds per square inch

Outlet Pressure Accuracy Rating

Not rated

Filter

Not included

End Application

W/s nimitz class cvn

Part Name Assigned By Controlling Agency

1-1/2 inch trac style h sea water pressure reducing valve as per mil-v-2042 / astm -f1370, type 1 250 pounds (psi).

Nondefinitive Specification/std Data

Pe i type

NSN

4820-01-499-3363

Part Number

40444-4

Description

Valve,regulating,fluid Pressure

CAGE

55378

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 40444-4 NSN 4820-01-499-3363

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:

42.0000lbs

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:

127200

UFC:

64480

LTL:

85.0

LCL:

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