Safety Relief Valve

Model / MPN: 2533A1 | NSN: 4820-00-889-8228

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

4820-00-889-8228

Sold in multiples of

DEMIL

Thread Class

3a 1st end

Thread Direction

Right-hand 1st end

Flow Control Device

Poppet

Disk Loading Method

Spring

Valve Discharge Flow Rate

8.0 gallons per minute

Connection Style

G46a plain (tube) all ends

Connection Type

Threaded external tube 1st end

Features Provided

Pressure tight outlet side

Thready Qty Per Inch (tpi)

16 1st end

Maximum Operating Pressure

75.0 pounds per square inch single response

Thread Size

0.750 inches 1st end

Opening Pressure Setting

57.0 pounds per square inch

Outside Diameter Tube Accommodated

0.500 inches 1st end

Material

Aluminum alloy body

Material

Aluminum alloy seat

Media For Which Designed

Hydraulic fluid, phosphate-ester base single response

Surface Treatment

Anodize

Thread Series Designator

Unf 1st end

2533A Series Parts

Pricing and Availability

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2533A1 Cross Reference

668412
2533A1-3
668412-3