Model: 1385 B/M2385FG684

Safety Relief Valve

Properties:

Flow Control Device
Disk
Bonnet Type
Inside screw
Bonnet Attachment Method
Threaded
Disk Loading Method
Spring
Bolt Hole Quantity
4 2nd end
Bolt Hole Quantity
6 1st end
Maximum Operating Temp
180.0 degrees fahrenheit single response
Valve Operation Method
Automatic
Flange Shape
Round with holes all ends
Connection Type
Flange all ends
Features Provided
Pressure tight outlet side
Valve Size
1.500 inches
Adjustable Pressure Range
+30.0/+50.0 pounds per square inch
Maximum Operating Pressure
400.0 pounds per square inch single response
Outside Diameter
4.500 inches 2nd end
Outside Diameter
5.062 inches 1st end
Thickness
0.438 inches all ends
First Connection Face To Centerline Distance
3.750 inches
Bolt Hole Diameter
0.562 inches all ends
Second Connection Face To Centerline Distance
3.750 inches
Bolt Circle Diameter
3.312 inches 1st end
Bolt Circle Diameter
3.375 inches 2nd end
Flange Face Design
Plain all ends
Material
Copper alloy body
Material
Nickel alloy seat
Material
Nickel alloy stem
Material
Rubber polymethylene-perfluoroalkylene class fkm packing
Material
Rubber butadiene-acrylonitrile class nbr flow control device
Material Specification
Astmb61 assn standard single material response body
Material Specification
Qq-n-228 federal specification single material response seat
Material Specification
Qq-n-228 federal specification single material response stem
Media For Which Designed
Water, salt single response
Furnished Items And Quantity
1 lever
Specification Data
81349-mil-v-24332 government specification
Nondefinitive Specification/std Data
B grade
NSN
4820-01-320-1223
Part Number
1385 B/M2385FG684
Description
Valve,safety Relief
CAGE

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 1385 B/M2385FG684 NSN 4820-01-320-1223

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:
17.9000lbs
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:
051080
UFC:
29300
LTL:
RATING VARIABLE
LCL:
--
WCC:
594
TCC:
Z
SHC:
9
ACC:
Equipment for Aircraft

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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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