Safety Relief Valve

Model / MPN: 516262-1 | NSN: 4820-00-559-4399

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.

Product Details

NATO Stock Number

4820-00-559-4399

Sold in multiples of

1 EA

DEMIL

Thread Class

3b all ends

Thread Direction

Right-hand all ends

Flow Control Device

Poppet

Disk Loading Method

Spring

Maximum Operating Temp

225.0 degrees fahrenheit single response

Connection Style

G4 gasket sea (boss) all ends

Connection Style

Gasket sea (boss) all ends

Valve Operation Method

Automatic

Connection Type

Threaded internal boss all ends

Adjustable Pressure Range

+1500.0/+2750.0 pounds per square inch

Maximum Operating Pressure

3600.0 pounds per square inch single response

Thread Size

0.750 inches all ends

Material

Plastic polytetrafluoroethylene seat

Material

Steel comp 303 body

Material

Steel comp 416 flow control device

Media For Which Designed

Hydraulic fluid, petroleum base single response

Surface Treatment

Passivate

Style Designator

Angle

Thread Series Designator

Unf all ends

516262 Series Parts

Solicitations

Solicitation	Description	Qty	UOM	Close Date
SPE7M216T0828	Valve, Safety Relief	24	EA	12/03/2015

Pricing and Availability

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516262-1 Cross Reference

640B-11-8-2
640B-1-1/8-2
640B-1-4-2
640B-11-8-2