Model: 3420 ASSEMBLY 428 3IN

Pressure And Temper Relief Valve

Properties:

Body Material

Bronze

Body Style

Straight thru

Tempurature Rating

180.0 degrees fahrenheit

Media For Which Designed

Water, fresh

First End Connection Type

Plain face flange

Second End Relationship With First End

Identical

Seat Material

Rubber, buna-n

Flow Control Device

Diaphragm

End Connection Quantity

Valve Discharge Flow Rate

430.0 gallons per minute

NSN

4820-01-237-6900

Part Number

3420 ASSEMBLY 428 3IN

Description

Valve,relief,pressure And Temper

CAGE

35795

A valve designed to release under excessive pressure and/or excessive temperature by opening at a predetermined pressure and/or temperature. Thermostatically operated valves close when the pressure is relieved or the temperature is reduced. Fusible plug valves require replacement of the plug. See also valve, safety relief and valve, regulating. Temperature.

Part 3420 ASSEMBLY 428 3IN NSN 4820-01-237-6900

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

16996

FIIG:

A07100

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