Model: NDSXX04SDD

Safety Relief Valve

Special Features:

Valve provided with gagging device, bonnet plug, adjusting ring pin; disc insert material polytetrafluoroethylene; o-ring material viton

Properties:

Pipe Size Accommodated
0.750 inches all ends
Flow Control Device
Disk
Disk Loading Method
Spring
Valve Discharge Flow Rate
172.8 cubic feet per minute
Renewable Seat Ring Type
Retaining screw
Maximum Operating Temp
425.0 degrees fahrenheit single response
End Application
Overhaul/availability cvn70
Connection Style
Socket all ends
Valve Operation Method
Automatic or manual
Connection Type
Unthreaded internal pipe all ends
Adjustable Pressure Range
+23.0 to 45.0 pounds per square inch
Maximum Operating Pressure
400.0 pounds per square inch single response
Material
Stainless steel
Media For Which Designed
Air single response
Style Designator
C1 angle
Furnished Items And Quantity
1 lever and 2 tailpiece and 2 nut
Specification Data
Mil-v-22549d government specification
NSN
4820-01-556-8005
Part Number
NDSXX04SDD
Description
Valve,safety Relief
CAGE
5P967

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 NDSXX04SDD NSN 4820-01-556-8005

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:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

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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