Model: DS-G-74893 ASSY 77321003

Safety Relief Valve

Special Features:

Incl packing lifting lever

Properties:

Flow Control Device
Disk
Disk Loading Method
Spring
Valve Discharge Flow Rate
18.0 gallons per minute
Bolt Hole Quantity
4 all ends
Maximum Operating Temp
500.0 degrees fahrenheit single response
End Application
Supply class aoe
Valve Operation Method
Automatic
Flange Shape
Round with holes all ends
Connection Type
Flange all ends
Valve Size
1.000 inches
Adjustable Pressure Range
+56.0/+77.0 pounds per square inch
Maximum Operating Pressure
1500.0 pounds per square inch single response
Outside Diameter
1.000 inches 1st end
Outside Diameter
0.500 inches 2nd end
Thickness
0.438 inches 2nd end
Thickness
0.562 inches 1st end
First Connection Face To Centerline Distance
4.000 inches
Bolt Hole Diameter
0.625 inches all ends
Second Connection Face To Centerline Distance
4.250 inches
Bolt Circle Diameter
2.375 inches 2nd end
Bolt Circle Diameter
3.125 inches 1st end
Flange Face Design
Raised straight all ends
Raised Face Height
0.062 inches all ends
Raised Face Diameter
1.375 inches 2nd end
Raised Face Diameter
2.000 inches 1st end
Material
Rubber seat
Material
Steel comp 416 stem
Material
Steel comp 316 body
Material
Steel comp 316 flow control device
Media For Which Designed
Fuel/oil, hydrocarbon single response
NSN
4820-01-434-6660
Part Number
DS-G-74893 ASSY 77321003
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 DS-G-74893 ASSY 77321003 NSN 4820-01-434-6660

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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