Model: E8551D51M

Safety Relief Valve

Properties:

Flow Control Device

Disk

Bonnet Type

Inside spring

Bonnet Attachment Method

Bolted

Disk Loading Method

Spring

Valve Discharge Flow Rate

102.0 cubic feet per minute

Bolt Hole Quantity

3 all ends

Maximum Operating Temp

150.0 degrees fahrenheit single response

Valve Operation Method

Automatic or manual

Flange Shape

Round with holes all ends

Connection Type

Flange all ends

Valve Size

0.500 inches

Maximum Operating Pressure

150.0 pounds per square inch single response

Opening Pressure Setting

24.0 pounds per square inch

Outside Diameter

3.557 inches all ends

Thickness

0.412 inches all ends

First Connection Face To Centerline Distance

3.000 inches

Bolt Hole Diameter

0.562 inches all ends

Second Connection Face To Centerline Distance

3.000 inches

Bolt Circle Diameter

2.438 inches all ends

Flange Face Design

Plain all ends

Material

Copper alloy

Media For Which Designed

Water-oil-gas 2nd response

Media For Which Designed

Air 1st response

NSN

4820-01-127-5110

Part Number

E8551D51M

Description

Valve,safety Relief

CAGE

15187

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 E8551D51M NSN 4820-01-127-5110

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:

Construction Materials

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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