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.:
1
App. Key:
AP
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
CRITL:
X

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:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
051080
UFC:
29300
LTL:
RATING VARIABLE
LCL:
--
WCC:
594
TCC:
Z
SHC:
9
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

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