Model: 790-100

Safety Relief Valve

Special Features:

Inlet sz 0.750 in., outlet sz 0.750 in.; asme rating btuh 2, 075, 000; 2.5625 in. Wd; 4.5625 in. High; meets requirements of sec 4 of asme boiler & pressure vessel code; designed to protect hydronic heating sustems against over-pressure conditions, & their low differential btwn.Opening & closing pressures offer dependable safety production against damage caused by excessive thermal expansion

Properties:

Flow Control Device
Disk
Opening Pressure Setting
100.0 pounds per square inch
Material
Bronze body
Media For Which Designed
Water, fresh 1st responsesteam 2nd response
NSN
4820-01-346-1132
Part Number
790-100
Description
Valve,safety Relief
CAGE
06631

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 790-100 NSN 4820-01-346-1132

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:
U
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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