Model: 122EV

Safety Relief Valve

Special Features:

Used as a crankcase relief valve on a model 6 mp-24t murphy diesel engine onboard wtgb 140 ft u. S. Coast guard vessels

Properties:

Flow Control Device
Disk
Disk Loading Method
Spring
Valve Operation Method
Automatic
Flange Shape
Round all ends
Connection Type
Flange all ends
Maximum Operating Pressure
7.0 pounds per square inch single response
Opening Pressure Setting
7.0 pounds per square inch
Outside Diameter
7.480 inches all ends
Thickness
0.630 inches all ends
Flange Face Design
Plain all ends
Material
Rubber seat
Material
Steel body
Media For Which Designed
Air single response
Style Designator
Straight thru
NSN
4820-01-209-4642
Part Number
122EV
Description
Valve,safety Relief
CAGE
24643

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 122EV NSN 4820-01-209-4642

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

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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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