Model: 1910NC-1 AND 1900N 171T194PSI

Safety Relief Valve

Properties:

Flow Control Device
Disk
Bolt Hole Quantity
8 1st end
Bolt Hole Quantity
8 2nd end
Valve Operation Method
Automatic
Flange Shape
Round with holes 1st end
Flange Shape
Round with holes 2nd end
Connection Type
Flange 2nd end
Connection Type
Flange 1st end
Adjustable Pressure Range
+171.0/+194.0 pounds per square inch
Maximum Operating Pressure
150.0 pounds per square inch 1st response
Maximum Operating Pressure
300.0 pounds per square inch 2nd response
Outside Diameter
10.000 inches 2nd end
Outside Diameter
11.000 inches 1st end
Thickness
0.688 inches 1st end
Thickness
1.062 inches 2nd end
Bolt Hole Diameter
0.875 inches 1st end
Bolt Hole Diameter
0.875 inches 2nd end
Bolt Circle Diameter
7.875 inches 2nd end
Bolt Circle Diameter
9.500 inches 1st end
Flange Face Design
Raised straight 1st end
Flange Face Design
Raised straight 2nd end
Raised Face Height
0.062 inches 1st end
Raised Face Height
0.062 inches 2nd end
Raised Face Diameter
6.188 inches 2nd end
Raised Face Diameter
8.500 inches 1st end
Material
Steel body
Media For Which Designed
Steam 2nd response
Media For Which Designed
Water, fresh 3rd response
Media For Which Designed
Air 1st response
NSN
4820-01-284-2177
Part Number
1910NC-1 AND 1900N 171T194PSI
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 1910NC-1 AND 1900N 171T194PSI NSN 4820-01-284-2177

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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
127220
UFC:
64490
LTL:
77.5
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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