Model: 16977-F PART 26HB10-120 57T62

Safety Relief Valve

Special Features:

1 pipe plug (body) 1/2inch npt

Properties:

Flow Control Device
Disk
Bonnet Type
Inside spring
Bonnet Attachment Method
Bolted
Disk Loading Method
Spring
Bolt Hole Quantity
4 1st end
Bolt Hole Quantity
4 2nd end
Maximum Operating Temp
450.0 degrees fahrenheit 2nd response
Maximum Operating Temp
75.0 degrees fahrenheit 1st response
Valve Operation Method
Automatic
Flange Shape
Round with holes all ends
Connection Type
Flange all ends
Valve Size
3.000 inches
Adjustable Pressure Range
+57.0/+62.0 pounds per square inch
Maximum Operating Pressure
150.0 pounds per square inch single response
Opening Pressure Setting
58.0 pounds per square inch
Outside Diameter
7.500 inches 2nd end
Outside Diameter
5.000 inches 1st end
Thickness
0.562 inches 1st end
Thickness
0.750 inches 2nd end
First Connection Face To Centerline Distance
4.875 inches
Bolt Hole Diameter
0.625 inches 1st end
Bolt Hole Diameter
0.750 inches 2nd end
Second Connection Face To Centerline Distance
5.125 inches
Bolt Circle Diameter
3.875 inches 1st end
Bolt Circle Diameter
6.000 inches 2nd end
Flange Face Design
Raised straight all ends
Raised Face Height
0.688 inches 1st end
Raised Face Height
0.922 inches 2nd end
Raised Face Diameter
2.875 inches 1st end
Raised Face Diameter
5.000 inches 2nd end
Material
Steel body
Material
Steel comp 416 stem
Material
Steel comp 316 packing
Material
Stainless steel flow control device
Media For Which Designed
Fuel/oil, hydrocarbon single response
NSN
4820-01-259-2211
Part Number
16977-F PART 26HB10-120 57T62
Description
Valve,safety Relief
CAGE
72352

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 16977-F PART 26HB10-120 57T62 NSN 4820-01-259-2211

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:
--
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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