Model: 1-1-2-1555HCX2M

Safety Relief Valve

Properties:

Flow Control Device
Disk
Bonnet Type
Outside screw-yoke
Bonnet Attachment Method
Bolted
Disk Loading Method
Spring
Valve Discharge Flow Rate
16300.0 pounds per hour
Renewable Seat Ring Type
Threaded
Bolt Hole Quantity
4 1st end
Bolt Hole Quantity
4 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
Features Provided
Pressure tight outlet side
Valve Size
1.500 inches
Maximum Operating Pressure
600.0 pounds per square inch single response
Opening Pressure Setting
473.0 pounds per square inch
Outside Diameter
6.125 inches 1st end
Outside Diameter
7.500 inches 2nd end
Thickness
0.688 inches 2nd end
Thickness
1.500 inches 1st end
First Connection Face To Centerline Distance
5.750 inches
Bolt Hole Diameter
0.750 inches 2nd end
Bolt Hole Diameter
0.875 inches 1st end
Second Connection Face To Centerline Distance
7.000 inches
Bolt Circle Diameter
4.500 inches 1st end
Bolt Circle Diameter
6.000 inches 2nd end
Flange Face Design
Raised straight 1st end
Flange Face Design
Raised straight 2nd end
Raised Face Height
0.062 inches 2nd end
Raised Face Height
0.250 inches 1st end
Raised Face Diameter
2.875 inches 1st end
Raised Face Diameter
5.000 inches 2nd end
Material
Stainless steel flow control device
Material
Stainless steel seat
Material
Stainless steel stem
Media For Which Designed
Steam single response
Style Designator
Angle flanged ends
Reference Number Differentiating Characteristics
As differentiated by adjustable pressure range
NSN
4820-00-248-6398
Part Number
1-1-2-1555HCX2M
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 1-1-2-1555HCX2M NSN 4820-00-248-6398

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:
--
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:
77.5
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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