Model: 8-6958-RV

Safety Relief Valve

Properties:

Thread Direction

Right-hand 2nd end

Flow Control Device

Disk

Bonnet Type

Inside spring

Bonnet Attachment Method

Threaded

Valve Discharge Flow Rate

20.0 gallons per minute

Renewable Seat Ring Type

Retaining screw

Maximum Operating Temp

300.0 degrees fahrenheit single response

End Application

Condensate tank waste heat recycling system p/n vp-cru-215-hp onboard 270 ft wmec class coast guard vessels

Connection Style

Plain (pipe) 1st end

Connection Style

Plain, optional en (pipe) 2nd end

Valve Operation Method

Automatic

Connection Type

Threaded external pipe 1st end

Connection Type

Threaded internal pipe 2nd end

Maximum Operating Pressure

900.0 pounds per square inch single response

Thread Size

1.000 inches 1st end

Thread Size

1.000 inches 2nd end

Opening Pressure Setting

35.0 pounds per square inch

Material

Copper alloy body

Media For Which Designed

Water-oil-gas single response

Style Designator

Angle

Thread Series Designator

Npt 1st end

Thread Series Designator

Npt 2nd end

NSN

4820-01-127-8627

Part Number

8-6958-RV

Description

Valve,safety Relief

CAGE

81253

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 8-6958-RV NSN 4820-01-127-8627

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

05488

FIIG:

A046B0

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

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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