Model: 1553XNVI

Safety Relief Valve

Properties:

Bonnet Type
Exposed spring
Bonnet Attachment Method
Bolted
Disk Loading Method
Spring
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
Mounting Facility
Bracket
Valve Size
2.500 inches
Outside Diameter
10.000 inches 1st end
Outside Diameter
7.500 inches 2nd end
Thickness
1.125 inches 2nd end
Thickness
1.250 inches 1st end
First Connection Face To Centerline Distance
9.875 inches
Bolt Hole Diameter
0.750 inches 2nd end
Bolt Hole Diameter
0.875 inches 1st end
Second Connection Face To Centerline Distance
5.312 inches
Flange Face Design
Raised straight 1st end
Raised Face Height
0.625 inches 1st end
Raised Face Height
0.500 inches 2nd end
Raised Face Diameter
3.937 inches 2nd end
Raised Face Diameter
5.700 inches 1st end
Style Designator
Angle flanged ends
NSN
4820-00-146-9338
Part Number
1553XNVI
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 1553XNVI NSN 4820-00-146-9338

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:
--
Paclk Weight:
--
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:
E
LVL_B:
Q

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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