Model: NMP-603 OPT A, B43A

Safety Relief Valve

Special Features:

W/lifting lever

Properties:

Pipe Size Accommodated
0.500 inches 1st end
Disk Loading Method
Spring
Renewable Seat Ring Type
Threaded
Maximum Operating Temp
425.0 degrees fahrenheit single response
Connection Style
G3a swivel nut, gasket sea (tube) all ends
Connection Style
Swivel nut, gasket sea (tube) all ends
Valve Operation Method
Automatic
Connection Type
Unthreaded internal pipe 1st end
Adjustable Pressure Range
+51.0/+70.0 pounds per square inch
Maximum Operating Pressure
100.0 pounds per square inch single response
Material
Copper alloy body
Material
Nickel alloy seat
Material
Nickel alloy stem
Media For Which Designed
Water, salt single response
Style Designator
Angle
NSN
4820-00-289-3781
Part Number
NMP-603 OPT A, B43A
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 NMP-603 OPT A, B43A NSN 4820-00-289-3781

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:
11.0 X 5.5 X 4.5
Paclk Weight:
18.8000lbs
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:
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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