Model: B12-497-M2LA

Fluid Pressure Regulating Valve

Special Features:

12.050 in. H, 3.500 in. Dia, 3.910 in. Width; 25.0 micron element

Properties:

Body Material

Zinc

Body Style

Straight thru

Furnished Items

Bonnet and outlet pressure gage and internal bypass valve

Media For Which Designed

Air

First End Connection Type

Threaded internal pipe

First End Style Designator

Optional end

First End Thread Size And Series/type Designator

1/2-14 nptf

First End Thread Direction

Right-hand

Second End Relationship With First End

Identical

Seat Material

Zinc

Packing Material

Rubber, chloroprene and rubber, buna-s

Flow Control Device

Disk, bevel seat, top guided

Flow Control Device Material

Brass

End Connection Quantity

Mounting Facility

Bracket

Outlet Pressure Range

+5.0 to 125.0 pounds per square inch

Regulation Type

Manual single stage

Manual Control Method

Knob

Valve Loading Method

Spring

Maximum Inlet Pressure Rating

250.0 pounds per square inch

Filter

Included

End Application

Nimitz class cvn

Tempurature Rating

Between 0.0 degrees fahrenheit and 175.0 degrees fahrenheit

NSN

4820-01-389-0481

Part Number

B12-497-M2LA

Description

Valve,regulating,fluid Pressure

CAGE

43990

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 B12-497-M2LA NSN 4820-01-389-0481

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