Model: NAP943

Fluid Pressure Regulating Valve

Properties:

Body Material

Steel

First End Flange Outside Diameter

7.500 inches

Body Style

Straight thru

First End Connection Type

Raised face flange

First End Style Designator

Raised

First End Raised Face Height

0.250 inches

First End Raised Face Diameter

4.125 inches

First End Flange Shape Style

Round

First End Flange Thickness

1.125 inches

Second End Relationship With First End

Identical

Seat Material

Steel

Face To Face Distance

13.000 inches

Flow Control Device

Diaphragm

Flow Control Device Material

Nickel copper alloy, qq-n-281

End Connection Quantity

Regulation Type

Automatic single stage

Valve Loading Method

Spring

Maximum Inlet Pressure Rating

600.0 pounds per square inch

Filter

Not included

Tempurature Rating

775.0 degrees fahrenheit

Specification Data

81349-mil-v-17848c government specification

Nondefinitive Specification/std Data

A class and d composition and 2.50ips size

NSN

4820-01-331-6648

Part Number

NAP943

Description

Valve,regulating,fluid Pressure

CAGE

70667

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 NAP943 NSN 4820-01-331-6648

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:

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