Model: 3220-375

Safety Relief Valve

Properties:

Thread Class

3a 2nd end

Thread Direction

Right-hand all ends

Flow Control Device

Disk

Disk Loading Method

Spring

End Application

4120-01-307-7390

Connection Style

G42 flared (tube) 2nd end

Connection Style

G46b plain (pipe) 1st end

Valve Operation Method

Automatic

Connection Type

Threaded external pipe 1st end

Connection Type

Threaded external tube 2nd end

Maximum Operating Pressure

450.0 pounds per square inch single response

Thread Size

0.500 inches 1st end

Thread Size

0.625 inches 2nd end

Seat Angle

45.0 degrees all ends

Opening Pressure Setting

375.0 pounds per square inch

Material

Copper alloy body

Media For Which Designed

Refrigerant 22 2nd response

Media For Which Designed

Refrigerant 12 1st response

Thread Series Designator

Npt 1st end

Thread Series Designator

Unf 2nd end

NSN

4820-01-415-7285

Part Number

3220-375

Description

Valve,safety Relief

CAGE

58553

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 3220-375 NSN 4820-01-415-7285

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:

0.8000lbs

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