NSN 4820-01-187-1123

Check Valve

FSC: 4820 NIIN: 011871123

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Product Characteristics

NSN:

4820011871123

Demilitarization:

INC:

05487

Shelf Life:

N/A

Disk Loading Method:

Weight

Bolt Hole Quantity:

8 all ends

Maximum Operating Temp:

550.0 degrees fahrenheit single response

Valve Operation Method:

Automatic

Flange Shape:

Round with holes all ends

Connection Type:

Flange all ends

Mounting Position:

Horizontal or vertical

Valve Size:

4.000 inches

Maximum Operating Pressure:

225.0 pounds per square inch 2nd response

Outside Diameter:

9.000 inches all ends

Face To Face Distance:

2.250 inches

Thickness:

0.940 inches all ends

Bolt Hole Diameter:

0.750 inches all ends

Bolt Circle Diameter:

7.500 inches all ends

Flange Face Design:

Plain all ends

Material:

Steel comp 316 body

Material Specification:

Astm b62 assn standard single material response flow control device

Media For Which Designed:

Water-oil-gas 1st response

Style Designator:

Straight through flanged ends

Supplementary Features:

This item has been reviewed for asbestos material; the current approved sources; 04613 have indicated their part number contained asbestos prior to 1984; they continue to manufacture the same part number without asbestos material after 1984