Model: NMP1569 L1

Safety Relief Valve

Properties:

Flow Control Device
Disk
Disk Loading Method
Spring
Maximum Operating Temp
525.0 degrees fahrenheit single response
Valve Operation Method
Manual
Flange Shape
Round with holes 1st end
Flange Shape
Round with holes 2nd end
Connection Type
Flange 2nd end
Connection Type
Flange 1st end
Maximum Operating Pressure
1000.0 pounds per square inch single response
Criticality Code Justification
Zzzy
First Connection Face To Centerline Distance
10.440 inches
Second Connection Face To Centerline Distance
8.880 inches
Flange Face Design
Raised straight 1st end
Flange Face Design
Raised straight 2nd end
Material
Steel body
Material
Steel comp 416 stem
Material
Steel comp 630 flow control device
Material
Stainless steel seat
Material Specification
Asme sa-351 assn standard single material response seat
Material Specification
Asme sa-216 assn standard single material response body
Material Specification
Astm a582 assn standard single material response stem
Material Specification
Astm a564 assn standard single material response flow control device
Style Designator
C1a angle flanged ends
Reference Number Differentiating Characteristics
Material controlled iaw navsea 0948-lp-045-7010 material control standard for level i items
NSN
4820-01-408-8991
Part Number
NMP1569 L1
Description
Valve,safety Relief
CAGE
03950

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 NMP1569 L1 NSN 4820-01-408-8991

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:
S

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:
A
SPI No.:
SPI Rev.:
SPC Mkg:
24
LVL_A:
F
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:
Construction Materials

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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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