Model: H3176761

Safety Relief Valve

Properties:

Flow Control Device
Poppet
Bonnet Type
Inside spring
Bonnet Attachment Method
Bolted
Disk Loading Method
Spring
Valve Discharge Flow Rate
90209.0 pounds per hour
Bolt Hole Quantity
8 1st end
Bolt Hole Quantity
9 2nd end
Maximum Operating Temp
750.0 degrees fahrenheit single response
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
+641.0/+700.0 pounds per square inch
Maximum Operating Pressure
600.0 pounds per square inch single response
Outside Diameter
7.500 inches 1st end
Outside Diameter
8.688 inches 2nd end
Thickness
0.875 inches 2nd end
Thickness
1.125 inches 1st end
Bolt Hole Diameter
0.812 inches 1st end
Bolt Hole Diameter
0.812 inches 2nd end
Bolt Circle Diameter
5.875 inches 1st end
Bolt Circle Diameter
7.125 inches 2nd end
Flange Face Design
Raised straight 1st end
Flange Face Design
Plain 2nd end
Raised Face Height
0.500 inches 1st end
Raised Face Diameter
0.500 inches 1st end
Material
Nickel alloy seat
Material
Nickel alloy stem
Material
Nickel alloy flow control device
Material
Steel body
Media For Which Designed
Steam single response
Style Designator
Angle
NSN
4820-00-288-6925
Part Number
H3176761
Description
Valve,safety Relief
CAGE
80064

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 H3176761 NSN 4820-00-288-6925

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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