Model: 72

Safety Relief Valve

Special Features:

1st connection face to center line distance 5.500 in. 2nd connection face to centerline distance 5.000

Properties:

Flow Control Device

Disk

Bonnet Type

Exposed spring

Bonnet Attachment Method

Bolted

Disk Loading Method

Spring

Valve Discharge Flow Rate

6485.0 cubic feet per minute

Bolt Hole Quantity

4 2nd end

Bolt Hole Quantity

8 1st end

Valve Operation Method

Automatic

Flange Shape

Round with holes 1st end

Flange Shape

Round with holes 2nd end

Connection Type

Flange 2nd end

Connection Type

Flange 1st end

Features Provided

Pressure tight outlet side

Maximum Operating Pressure

600.0 pounds per square inch single response

Opening Pressure Setting

595.0 pounds per square inch

Outside Diameter

6.500 inches 1st end

Outside Diameter

7.000 inches 2nd end

Bolt Hole Diameter

0.750 inches 1st end

Bolt Hole Diameter

0.750 inches 2nd end

Bolt Circle Diameter

5.000 inches 1st end

Bolt Circle Diameter

5.500 inches 2nd end

Flange Face Design

Raised straight 1st end

Flange Face Design

Plain 2nd end

Raised Face Height

0.250 inches 1st end

Raised Face Diameter

3.500 inches 1st end

Material

Steel

Style Designator

Angle

NSN

4820-00-071-4840

Part Number

Description

Valve,safety Relief

CAGE

01343

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes valve (1), relief, pressure and temperature.

Part 72 NSN 4820-00-071-4840

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

05488

FIIG:

A046B0

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:

127220

UFC:

64490

LTL:

77.5

LCL:

WCC:

671

TCC:

SHC:

ACC:

Equipment for Aircraft

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Schedule B and Export

Schedule B: 8481400000
SITC: 74740
End Use: Industrial machines, other
NAICS: 332911
USDA: 1

Freight Class: Safety or relief valves