Model: 4001-6

Check Valve

Properties:

Pipe Size Accommodated

3.0 inches 1st end

Flow Control Device

Disk

Disk Loading Method

Spring

Bolt Hole Quantity

8 1st end

Maximum Operating Temp

160.0 degrees fahrenheit single response

Minimum Operating Temp

-65.0 degrees fahrenheit

Connection Style

Plain (tube) 1st end

Valve Operation Method

Automatic

Flange Shape

Round with holes 1st end

Connection Type

Flange 1st end

Mounting Facility

Wafer

Valve Size

3.0 inches

Maximum Operating Pressure

8.3 pounds per square inch single response

Outside Diameter

4.31 inches 1st end

Bolt Hole Diameter

0.199 inches 1st end

Bolt Circle Diameter

3.740 inches 1st end

Flange Face Design

Plain 1st end

Part Name Assigned By Controlling Agency

Check valve, 3-inch in-line, single flange mount, air system

Material

Aluminum alloy body

Media For Which Designed

Air single response

Style Designator

Straight through flanged ends

NSN

4820-01-628-5677

Part Number

4001-6

Description

Valve,check

CAGE

34163

A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

Part 4001-6 NSN 4820-01-628-5677

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

05487

FIIG:

A530B0

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: 8481309000
SITC: 74730
End Use: Industrial machines, other
NAICS: 332911
USDA: 1

Freight Class: Check valves of materials other than copper, iron or steel