Model: 11W203B1-1-2

Safety Relief Valve

Properties:

Thread Direction
Right-hand 2nd end
Flow Control Device
Disk
Bonnet Type
Inside spring
Disk Loading Method
Spring
Bolt Hole Quantity
6 1st end
Maximum Operating Temp
425.0 degrees fahrenheit single response
Connection Style
G9 plain, optional en (pipe) 2nd end
Connection Style
Plain, optional en (pipe) 2nd end
Valve Operation Method
Automatic or manual
Flange Shape
Round with holes 1st end
Connection Type
Flange 1st end
Connection Type
Threaded internal pipe 2nd end
Valve Size
2.500 inches
Adjustable Pressure Range
+11.0/+32.0 pounds per square inch
Maximum Operating Pressure
100.0 pounds per square inch single response
Thread Size
2.000 inches 2nd end
Outside Diameter
5.062 inches 1st end
First Connection Face To Centerline Distance
4.562 inches
Second Connection Face To Centerline Distance
2.562 inches
Flange Face Design
Plain 1st end
Material
Copper alloy flow control device
Material
Copper alloy seat
Material
Copper alloy body
Material
Stainless steel stem
Media For Which Designed
Steam single response
Style Designator
Angle flanged ends
Thread Series Designator
Npt 2nd end
NSN
4820-00-287-6074
Part Number
11W203B1-1-2
Description
Valve,safety Relief
CAGE
75954

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 11W203B1-1-2 NSN 4820-00-287-6074

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:
U
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
10.0000lbs
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:
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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