Model: 655A

Fluid Pressure Regulating Valve

Properties:

Body Material

Iron, cast, astm a126-61t, class b

First End Flange Outside Diameter

6.500 inches

Body Style

Straight thru

Stem Material

Steel, corrosion resisting

Media For Which Designed

Steam and water, oil or gas

First End Connection Type

Raised face flange

First End Style Designator

Raised

First End Raised Face Height

0.062 inches

First End Raised Face Diameter

4.188 inches

First End Flange Shape Style

Round w/ bolt holes

First End Flange Thickness

0.813 inches

First End Bolt Hole Quantity

First End Bolt Hole Diameter

0.750 inches

First End Bolt Circle Diameter

5.000 inches

Second End Relationship With First End

Identical

Seat Material

Steel, federal standard 66, aisi 316/sae 30316

Face To Face Distance

10.500 inches

Packing Material

Plastic, tetrafluoroethylene

Flow Control Device

Disk, plug type

Flow Control Device Material

Steel, corrosion resisting

End Connection Quantity

Renewable Seat Ring Type

Threaded

Regulation Type

Automatic single stage

Valve Stem Design

Double seat

Valve Loading Method

Spring

Remote Actuation Method

Diaphragm

Maximum Inlet Pressure Rating

250.0 pounds per square inch

Outlet Pressure Setting

135.0 pounds per square inch

Filter

Not included

NSN

4820-00-405-1691

Part Number

655A

Description

Valve,regulating,fluid Pressure

CAGE

22508

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 655A NSN 4820-00-405-1691

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:

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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