Model: LL2112C-1/2-10

Safety Relief Valve

Properties:

Thread Direction
Right-hand 2nd end
Flow Control Device
Disk
Bonnet Type
Inside spring
Bonnet Attachment Method
Union
Disk Loading Method
Spring
Bolt Hole Quantity
3 1st end
Connection Style
G46b plain (pipe) 2nd end
Connection Style
Plain (pipe) 2nd end
Valve Operation Method
Automatic
Flange Shape
Round with holes 1st end
Connection Type
Flange 1st end
Connection Type
Threaded external pipe 2nd end
Features Provided
Bonnet packing and pressure tight outlet side
Valve Size
0.500 inches
Maximum Operating Pressure
100.0 pounds per square inch single response
Thread Size
0.500 inches 2nd end
Opening Pressure Setting
10.0 pounds per square inch
Outside Diameter
3.562 inches 1st end
First Connection Face To Centerline Distance
2.656 inches
Bolt Hole Diameter
0.562 inches 1st end
Second Connection Face To Centerline Distance
2.750 inches
Bolt Circle Diameter
2.438 inches 1st end
Flange Face Design
Plain 1st end
Material
Copper alloy
Media For Which Designed
Steam 1st response
Media For Which Designed
Water, fresh 3rd response
Media For Which Designed
Air 2nd response
Style Designator
Angle flanged ends
Thread Series Designator
Npt 2nd end
NSN
4820-00-287-2981
Part Number
LL2112C-1/2-10
Description
Valve,safety Relief
CAGE
01343

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 LL2112C-1/2-10 NSN 4820-00-287-2981

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:
9.3000lbs
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:
Construction Materials

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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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