Model: 41780

Safety Relief Valve

Properties:

Flow Control Device
Disk
Bonnet Type
Exposed spring
Bonnet Attachment Method
Bolted
Disk Loading Method
Spring
Valve Discharge Flow Rate
10500.0 pounds per hour
Bolt Hole Quantity
4 1st end
Bolt Hole Quantity
7 2nd end
Maximum Operating Temp
650.0 degrees fahrenheit single response
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
Valve Size
1.500 inches
Maximum Operating Pressure
600.0 pounds per square inch single response
Opening Pressure Setting
438.0 pounds per square inch
Outside Diameter
6.125 inches 1st end
Outside Diameter
6.500 inches 2nd end
Thickness
0.750 inches 2nd end
Thickness
1.125 inches 1st end
First Connection Face To Centerline Distance
4.500 inches
Bolt Hole Diameter
0.688 inches 2nd end
Bolt Hole Diameter
0.812 inches 1st end
Second Connection Face To Centerline Distance
5.000 inches
Bolt Circle Diameter
4.500 inches 1st end
Bolt Circle Diameter
5.188 inches 2nd end
Flange Face Design
Raised straight 1st end
Flange Face Design
Plain 2nd end
Raised Face Height
0.250 inches 1st end
Raised Face Diameter
2.875 inches 1st end
Material
Steel body
Material
Stainless steel flow control device
Material
Steel seat
Material
Steel stem
Media For Which Designed
Steam single response
Style Designator
Angle flanged ends
NSN
4820-00-287-4030
Part Number
41780
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 41780 NSN 4820-00-287-4030

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:
27.0 X 15.0 X 15.0
Paclk Weight:
90.0000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
F

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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