Model: R6181EL

Safety Relief Valve

Properties:

Flow Control Device
Poppet
Bonnet Type
Exposed spring
Bonnet Attachment Method
Bolted
Valve Discharge Flow Rate
11420.0 pounds per hour
Renewable Seat Ring Type
Threaded
Bolt Hole Quantity
8 1st end
Bolt Hole Quantity
8 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
Opening Pressure Setting
635.0 pounds per square inch
Outside Diameter
6.500 inches 1st end
Outside Diameter
7.562 inches 2nd end
Thickness
0.812 inches 2nd end
Thickness
1.000 inches 1st end
Bolt Hole Diameter
0.688 inches 1st end
Bolt Hole Diameter
0.812 inches 2nd end
Bolt Circle Diameter
5.000 inches 1st end
Bolt Circle Diameter
6.000 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
4.250 inches 1st end
Material
Stainless steel flow control device
Material
Stainless steel seat
Material
Stainless steel stem
Material
Steel uns k12220 body or steel uns k13020 body
Style Designator
Angle
NSN
4820-00-036-2081
Part Number
R6181EL
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 R6181EL NSN 4820-00-036-2081

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 23.0 X 26.0
Paclk Weight:
170.0000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
SPI No.:
SPI Rev.:
SPC Mkg:
99
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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