1426DUPLEX

Safety Relief Valve

NSN 4820-00-059-4678

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
UOM:
NIIN:
000594678

Product Features

Duplex valve, two safety valves mtd in onebody, 1st connection face to centerline distance9.000 in., 2nd connection face to centerlinedistance 6.625 in.

Technical Specifications of NSN

Flow Control Device:
Disk
Bonnet Type:
Exposed spring
Bonnet Attachment Method:
Bolted
Disk Loading Method:
Spring
Valve Discharge Flow Rate:
71616.0 pounds per hour
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 1st end
Connection Type:
Flange 2nd end
Maximum Operating Pressure:
550.0 pounds per square inch single response
Opening Pressure Setting:
525.0 pounds per square inch
Outside Diameter:
13.000 inches 1st end
Outside Diameter:
9.000 inches 2nd end
Bolt Hole Diameter:
0.750 inches 2nd end
Bolt Hole Diameter:
1.125 inches 1st end
Bolt Circle Diameter:
10.500 inches 1st end
Bolt Circle Diameter:
7.500 inches 2nd end
Flange Face Design:
Raised straight 1st end
Flange Face Design:
Raised straight 2nd end
Raised Face Height:
0.062 inches 1st end
Raised Face Height:
0.062 inches 2nd end
Raised Face Diameter:
6.188 inches 2nd end
Raised Face Diameter:
7.312 inches 1st end
Material:
Nickel alloy flow control device
Material:
Nickel alloy seat
Material:
Steel body
Material:
Steel stem
Style Designator:
Angle
NSN:
4820-00-059-4678
Item Name:
Valve,safety Relief,transducer
Cage Code:
16497

Other Related Parts

No other part numbers with same form, fit, and function found.

Part Identification

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05488
FIIG:
A046B0
Concept No.:
1
App. Key:
AP
Cond. Code:
1
Status:
A

Part Materials

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

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Pricing & Availability

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Privacy | Terms

Definition Definition of approved item name (AIN): "Transducer Safety Relief Valve"

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.

Import / Export
  • Schedule B: 8481400000
  • SITC: 74740
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Classification: Safety or relief valves


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