Model: 2R2220

Safety Relief Valve

Special Features:

3/8 in. Valve size

Properties:

Thread Direction

Right-hand 2nd end

Thread Direction

Right-hand 1st end

Flow Control Device

Disk

Disk Loading Method

Spring

Thready Qty Per Inch (tpi)

18 1st end

Thready Qty Per Inch (tpi)

20 2nd end

Thread Size

0.438 inches 2nd end

Thread Size

0.562 inches 1st end

Seat Angle

37.0 degrees 1st end

Seat Angle

37.0 degrees 2nd end

Opening Pressure Setting

100.0 pounds per square inch

Outside Diameter Tube Accommodated

0.250 inches 2nd end

Outside Diameter Tube Accommodated

0.375 inches 1st end

Material

Aluminum alloy body

Material

Aluminum alloy seat

Thread Series Designator

Unf 1st end

Thread Series Designator

Unf 2nd end

NSN

4820-00-837-0210

Part Number

2R2220

Description

Valve,safety Relief

CAGE

99240

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 2R2220 NSN 4820-00-837-0210

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:

77.5

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