Model: D52FF-04 4IN

Safety Relief Valve

Properties:

Flow Control Device

Disk

Bonnet Type

Inside spring

Bonnet Attachment Method

Bolted

Disk Loading Method

Spring

Bolt Hole Quantity

8 all ends

End Application

Wasp class lhd

Valve Operation Method

Automatic

Flange Shape

Round with holes all ends

Connection Type

Flange all ends

Valve Size

4.000 inches

Adjustable Pressure Range

+22.0/+26.0 pounds per square inch

Outside Diameter

7.688 inches all ends

Thickness

0.500 inches all ends

First Connection Face To Centerline Distance

6.500 inches

Bolt Hole Diameter

0.562 inches all ends

Second Connection Face To Centerline Distance

6.500 inches

Bolt Circle Diameter

6.562 inches all ends

Flange Face Design

Plain all ends

Material

Copper alloy body

Material

Nickel alloy stem

NSN

4820-01-207-0414

Part Number

D52FF-04 4IN

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 D52FF-04 4IN NSN 4820-01-207-0414

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:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

184.0000lbs

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

051080

UFC:

29300

LTL:

RATING VARIABLE

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