Model: NMP-1537

Safety Relief Valve

Special Features:

Flange faces plain w/raised faces, approx 1/16in

Properties:

Pipe Size Accommodated
1.500 inches 1st end
Pipe Size Accommodated
1.500 inches 2nd end
Flow Control Device
Disk
Bonnet Attachment Method
Bolted
Disk Loading Method
Spring
Bolt Hole Quantity
4 1st end
Bolt Hole Quantity
4 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
Adjustable Pressure Range
+156.0/+183.0 pounds per square inch
Outside Diameter
7.000 inches 1st end
Outside Diameter
5.000 inches 2nd end
Thickness
0.562 inches 2nd end
Thickness
0.625 inches 1st end
First Connection Face To Centerline Distance
3.875 inches
Bolt Hole Diameter
0.625 inches 2nd end
Bolt Hole Diameter
0.750 inches 1st end
Second Connection Face To Centerline Distance
3.875 inches
Bolt Circle Diameter
3.875 inches 2nd end
Bolt Circle Diameter
5.500 inches 1st end
Flange Face Design
Plain 1st end
Flange Face Design
Plain 2nd end
Part Name Assigned By Controlling Agency
Steel relief valve 1 1/2 x 2 1/2 g oriface
Material
Steel body
Material
Stainless steel flow control device
Material
Stainless steel stem
Material Specification
Astm-a-582 assn standard single material response stem
Material Specification
Astm-a-216-gradewcb assn standard single material response body
Material Specification
Astm-a-276-gr-304 assn standard single material response flow control device
NSN
4820-01-495-3788
Part Number
NMP-1537
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-1537 NSN 4820-01-495-3788

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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