Model: 1811HA-0-3X1-M-22

Safety Relief Valve

Properties:

Flow Control Device

Disk

Bolt Hole Quantity

4 all ends

Maximum Operating Temp

650.0 degrees fahrenheit single response

Valve Operation Method

Automatic

Flange Shape

Round with holes all ends

Connection Type

Flange all ends

Adjustable Pressure Range

+5.0/+309.0 pounds per square inch

Maximum Operating Pressure

309.0 pounds per square inch single response

Outside Diameter

6.125 inches 2nd end

Outside Diameter

7.000 inches 1st end

Thickness

0.812 inches 2nd end

Thickness

0.875 inches 1st end

Bolt Hole Diameter

0.750 inches 1st end

Bolt Hole Diameter

0.875 inches 2nd end

Bolt Circle Diameter

4.500 inches 2nd end

Bolt Circle Diameter

5.500 inches 1st end

Flange Face Design

Raised straight all ends

Raised Face Height

0.062 inches all ends

Raised Face Diameter

2.875 inches 2nd end

Raised Face Diameter

4.125 inches 1st end

Material

Steel body

Material

Stainless steel flow control device

NSN

4820-01-310-1746

Part Number

1811HA-0-3X1-M-22

Description

Valve,safety Relief

CAGE

16497

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 1811HA-0-3X1-M-22 NSN 4820-01-310-1746

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:

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