Model: G15501-18

Safety Relief Valve

Special Features:

The end connection identified above as the second end is the valve inlet

Properties:

Flow Control Device
Disk
Bonnet Type
Exposed spring
Bonnet Attachment Method
Bolted
Disk Loading Method
Spring
Valve Discharge Flow Rate
16340.0 pounds per hour
Renewable Seat Ring Type
Threaded
Bolt Hole Quantity
4 1st end
Bolt Hole Quantity
4 2nd end
Valve Operation Method
Automatic or manual
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
Adjustable Pressure Range
+456.0/+496.0 pounds per square inch
Adjustable Pressure Range
+456.0 to 496.0 pounds per square inch
Opening Pressure Setting
482.0 pounds per square inch
Outside Diameter
6.125 inches 2nd end
Outside Diameter
7.500 inches 1st end
Thickness
0.688 inches 1st end
Thickness
0.938 inches 2nd end
Bolt Hole Diameter
0.750 inches 1st end
Bolt Hole Diameter
0.875 inches 2nd end
Bolt Circle Diameter
4.500 inches 2nd end
Bolt Circle Diameter
6.000 inches 1st end
Flange Face Design
Raised straight 1st end
Flange Face Design
Plain 2nd end
Raised Face Height
0.062 inches 1st end
Raised Face Diameter
5.000 inches 1st end
Style Designator
Angle
Reference Number Differentiating Characteristics
As differentiated by the valve discharge flow rate requirement and second end flange thickness requirement
NSN
4820-00-166-0277
Part Number
G15501-18
Description
Valve,safety Relief
CAGE
15187

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 G15501-18 NSN 4820-00-166-0277

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:
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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