Model: 1900D-1912DC 448PSI BBT

Safety Relief Valve

Special Features:

With nozzle on inlet end

Properties:

Flow Control Device

Disk

Bonnet Type

Inside spring

Bonnet Attachment Method

Bolted

Disk Loading Method

Spring

Valve Operation Method

Automatic

Flange Shape

Round with holes 1st end

Flange Shape

Round with holes 2nd end

Connection Type

Flange 1st end

Valve Size

1.000 inches

Opening Pressure Setting

448.0 pounds per square inch

Outside Diameter

4.875 inches 2nd end

Outside Diameter

6.000 inches 1st end

Thickness

0.688 inches 1st end

Thickness

0.688 inches 2nd end

First Connection Face To Centerline Distance

4.500 inches

Bolt Hole Diameter

0.750 inches 1st end

Bolt Hole Diameter

0.750 inches 2nd end

Second Connection Face To Centerline Distance

4.125 inches

Bolt Circle Diameter

3.500 inches 2nd end

Bolt Circle Diameter

4.750 inches 1st end

Flange Face Design

Raised straight 1st end

Raised Face Height

0.062 inches 1st end

Raised Face Diameter

3.625 inches 1st end

Material

Stainless steel body

Material

Stainless steel flow control device

NSN

4820-01-200-8556

Part Number

1900D-1912DC 448PSI BBT

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 1900D-1912DC 448PSI BBT NSN 4820-01-200-8556

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:

40.0000lbs

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