Model: SW138 REV. B

Safety Relief Valve

Special Features:

Spring material is stainless steel iaw astm a-313

Properties:

Flow Control Device
Disk
Disk Loading Method
Spring
Maximum Operating Temp
600.0 degrees fahrenheit single response
End Application
Seawolf class ssn
Flange Shape
Round all ends
Connection Type
Unthreaded internal pipe all ends
Valve Size
1.500 inches
Maximum Operating Pressure
150.0 pounds per square inch single response
Opening Pressure Setting
15.0 pounds per square inch
First Connection Face To Centerline Distance
4.750 inches
Second Connection Face To Centerline Distance
4.750 inches
Flange Face Design
Raised straight all ends
Material
Steel comp 316 flow control device
Material
Steel comp 316 stem
Material
Steel uns j03002 body
Material
Steel uns j92900 seat
Material Specification
Astm a351 gr cf8m assn standard single material response seat
Material Specification
Astm a216 wcb assn standard single material response body
Material Specification
Astm a479 type 316 assn standard single material response flow control device
Material Specification
Astm a479 type 316 assn standard single material response stem
NSN
4820-01-469-6811
Part Number
SW138 REV. B
Description
Valve,safety Relief
CAGE
01343

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 SW138 REV. B NSN 4820-01-469-6811

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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