Model: D31210PC387

Safety Relief Valve

Properties:

Flow Control Device

Piston

Disk Loading Method

Spring

Bolt Hole Quantity

4 all ends

Maximum Operating Temp

450.0 degrees fahrenheit single response

Valve Operation Method

Automatic

Flange Shape

Round with holes all ends

Connection Type

Flange all ends

Features Provided

Pressure tight outlet side

Adjustable Pressure Range

+10.0/+40.0 pounds per square inch

Maximum Operating Pressure

300.0 pounds per square inch single response

Outside Diameter

4.875 inches all ends

Thickness

0.062 inches all ends

First Connection Face To Centerline Distance

3.500 inches

Bolt Hole Diameter

0.750 inches all ends

Second Connection Face To Centerline Distance

3.500 inches

Bolt Circle Diameter

3.500 inches all ends

Flange Face Design

Raised straight all ends

Raised Face Height

0.062 inches all ends

Raised Face Diameter

2.000 inches all ends

Material

Copper alloy

Media For Which Designed

Fuel/oil, hydrocarbon single response

Style Designator

Angle flanged ends

NSN

4820-00-289-1859

Part Number

D31210PC387

Description

Valve,safety Relief

CAGE

93235

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 D31210PC387 NSN 4820-00-289-1859

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:

594

TCC:

SHC:

ACC:

Trailers/Vehicles

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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