Model: D50FF-4-00-1CD

Safety Relief Valve

Special Features:

No gagging device

Properties:

Flow Control Device

Disk

Bonnet Type

Inside screw

Bonnet Attachment Method

Threaded

Disk Loading Method

Spring

Bolt Hole Quantity

4 all ends

Maximum Operating Temp

150.0 degrees fahrenheit single response

Valve Operation Method

Automatic

Flange Shape

Round with holes all ends

Connection Type

Flange all ends

Valve Size

4.000 inches

Adjustable Pressure Range

+3.0/+8.0 pounds per square inch

Maximum Operating Pressure

250.0 pounds per square inch single response

Outside Diameter

7.687 inches all ends

Thickness

0.938 inches all ends

First Connection Face To Centerline Distance

6.500 inches

Bolt Hole Diameter

0.688 inches all ends

Second Connection Face To Centerline Distance

6.500 inches

Bolt Circle Diameter

5.500 inches all ends

Flange Face Design

Plain all ends

Material

Bronze bodynickel alloy flow control devicenickel alloy seat

Media For Which Designed

Water-oil-gas single response

NSN

4820-01-370-1208

Part Number

D50FF-4-00-1CD

Description

Valve,safety Relief

CAGE

65079

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 D50FF-4-00-1CD NSN 4820-01-370-1208

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