Model: D50-0129

Safety Relief Valve

Properties:

Flow Control Device

Disk

Bonnet Type

Inside spring

Bonnet Attachment Method

Threaded

Disk Loading Method

Spring

Bolt Hole Quantity

3 all ends

Maximum Operating Temp

150.00 degrees fahrenheit 1st response

Maximum Operating Temp

425.00 degrees fahrenheit 2nd response

Valve Operation Method

Manual

Flange Shape

Round with holes all ends

Connection Type

Flange all ends

Valve Size

0.50 inches

Adjustable Pressure Range

+13.00 to 23.00 pounds per square inch

Maximum Operating Pressure

100.00 pounds per square inch 2nd response

Maximum Operating Pressure

150.00 pounds per square inch 1st response

Outside Diameter

3.25 inches all ends

First Connection Face To Centerline Distance

2.50 inches

Bolt Hole Diameter

0.563 inches all ends

Second Connection Face To Centerline Distance

2.38 inches

Bolt Circle Diameter

2.44 inches all ends

Flange Face Design

Recessed straight all ends

Part Name Assigned By Controlling Agency

Valve, angle relief

Material

Bronze body

Material

Steel comp 316 stem

Media For Which Designed

Liquid single response

Style Designator

Angle flanged ends

NSN

4820-01-653-1250

Part Number

D50-0129

Description

Valve,safety Relief

CAGE

5P967

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 D50-0129 NSN 4820-01-653-1250

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