Safety Relief Valve

Model / MPN: 1553XNVI | NSN: 4820-00-146-9338

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

4820-00-146-9338

Sold in multiples of

DEMIL

Bonnet Type

Exposed spring

Bonnet Attachment Method

Bolted

Disk Loading Method

Spring

Bolt Hole Quantity

8 1st end

Bolt Hole Quantity

8 2nd end

Valve Operation Method

Automatic

Flange Shape

Round with holes 1st end

Flange Shape

Round with holes 2nd end

Connection Type

Flange 2nd end

Connection Type

Flange 1st end

Mounting Facility

Bracket

Valve Size

2.500 inches

Outside Diameter

10.000 inches 1st end

Outside Diameter

7.500 inches 2nd end

Thickness

1.125 inches 2nd end

Thickness

1.250 inches 1st end

First Connection Face To Centerline Distance

9.875 inches

Bolt Hole Diameter

0.750 inches 2nd end

Bolt Hole Diameter

0.875 inches 1st end

Second Connection Face To Centerline Distance

5.312 inches

Flange Face Design

Raised straight 1st end

Raised Face Height

0.625 inches 1st end

Raised Face Height

0.500 inches 2nd end

Raised Face Diameter

3.937 inches 2nd end

Raised Face Diameter

5.700 inches 1st end

Style Designator

Angle flanged ends

1553XNVI Series Parts

1553XNVI

Pricing and Availability

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1553XNVI Cross Reference

213638