Main Mfg. Products - Main Square, Flat Face, SW-Pipe, In-Line Flanges

Unit of Measure

Items	1388-12-12 Main Square 3000, Flat Face, SW-Pipe, In-Line Flange	1388-16-16 Main Square 3000, Flat Face, SW-Pipe, In-Line Flange	1388-20-20 Main Square 3000, Flat Face, SW-Pipe, In-Line Flange	1388-24-24 Main Square 3000, Flat Face, SW-Pipe, In-Line Flange	1388-32-32 Main Square 3000, Flat Face, SW-Pipe, In-Line Flange
Carbon Steel Part Number	N/A 1388-12-12	N/A 1388-16-16	N/A 1388-20-20	N/A 1388-24-24	N/A 1388-32-32
304L Stainless Steel Part Number	N/A 6388-12-12B	N/A 6388-16-16B	N/A 6388-20-20B	N/A 6388-24-24B	N/A 6388-32-32B
316L Stainless Steel Part Number	N/A 6388-12-12D	N/A 6388-16-16D	N/A 6388-20-20D	N/A 6388-24-24D	N/A 6388-32-32D
Brands	N/A Main
Series	N/A Main Square 3000
Flange Dash Size	N/A -12	N/A -16	N/A -20	N/A -24	N/A -32
Flange Size	N/A 3/4 in	N/A 1 in	N/A 1-1/4 in	N/A 1-1/2 in	N/A 2 in
Port Dash Size	N/A -12	N/A -16	N/A -20	N/A -24	N/A -32
Pipe Size	N/A 3/4 in	N/A 1 in	N/A 1-1/4 in	N/A 1-1/2 in	N/A 2 in
Industry Standards	N/A International Organization for Standardization (ISO) 6162 Society of Automotive Engineers (SAE) J518
Face Type	N/A Flat Face
Port Style	N/A Socket Weld for Pipe
Geometry	N/A In-Line
Dimension A	N/A 2.25 in	N/A 3.00 in	N/A 3.00 in	N/A 4.00 in	N/A 4.00 in
Dimension B	N/A 1.12 in	N/A 1.50 in	N/A 1.50 in	N/A 2.00 in	N/A 2.00 in
Dimension C	N/A 1.00 in	N/A 1.00 in	N/A 1.00 in	N/A 1.25 in	N/A 1.25 in
Dimension D	N/A 0.719 in	N/A 1.000 in	N/A 1.000 in	N/A 1.375 in	N/A 1.375 in
Dimension E	N/A 1.438 in	N/A 2.000 in	N/A 2.000 in	N/A 2.750 in	N/A 2.750 in
Thread Size J	N/A 3/8-16	N/A 1/2-13	N/A 1/2-13	N/A 5/8-11	N/A 5/8-11
Dimension F	N/A 0.75 in	N/A 1.00 in	N/A 1.25 in	N/A 1.50 in	N/A 1.94 in
Dimension K	N/A 1.070 in	N/A 1.335 in	N/A 1.680 in	N/A 1.920 in	N/A 2.411 in
Dimension H	N/A 0.50 in	N/A 0.50 in	N/A 0.50 in	N/A 0.62 in	N/A 0.62 in