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Unit of Measure

Specifications

Carbon Steel Part Number

1403-56-56

304L Stainless Steel Part Number

6403-56-56B

316L Stainless Steel Part Number

6403-56-56D

Brands

Main

Series

Main Square 3000

Flange Dash Size

-56

Flange Size

3-1/2 in

Port Dash Size

-56

Pipe Size

3-1/2 in

Industry Standards

International Organization for Standardization (ISO) 6162 Society of Automotive Engineers (SAE) J518

Face Type

O-Ring Face

Port Style

Butt Weld for Schedule 160 Pipe

Geometry

In-Line

Dimensions

Dimension A

6.00 in

Dimension B

3.00 in

Dimension C

1.75 in

Dimension D

2.125 in

Dimension E

4.250 in

Dimension G

0.94 in

Dimension F

3.00 in

Dimension K

4.00 in

Dimension H

0.50 in

Mounting Kit

Mounting Kit

MK 1577

Screw Size

7/8-9 x 2.5 SHCS

O-Ring

240

Note

Note

Other pipe and tube sizes are available.