Representative Image
ASA HV Flanges–Fixed Flat
ASA flanges, adapted decades ago from 150# steam-pipe flanges, are simple, sexed vacuum seals—one flange is grooved to accept an o-ring while the mating flange is smooth.
ASA flanges are limited (by the o-ring's properties) to applications with temperatures between ~0° C and 120-180° C and pressure from atmosphere to ~10-7 torr or mbar. These flanges are sized by the connecting pipe's nominal I.D. in inches. The normal range is: 1", 1.5", 2", 3", 4", 6", 8", and 10". They have large diameter bolt holes through the rim; consequently, for any given tube diameter, ASA flanges have much larger O.D.s than other flange types.
Ordering Table
All dimensions listed in the table below, unless otherwise stated, are in inches.
All dimensions listed in the table below, unless otherwise stated, are in millimeters.
(Click column headers to sort data)
| Flange Size/OD | Type | Flange Material | Drawing | Bore | Bolt Hole Dia. | # of Bolt Holes | Note | Dim A | Dim B | Dim C | Dim D | Dim E | Dim F | Description |
|
Part Number | Price | In Stock | Add To Cart | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Flange Size/OD | Type | Flange Material | Drawing | Bore | Bolt Hole Dia. | # of Bolt Holes | Note | Dim A | Dim B | Dim C | Dim D | Dim E | Dim F | Description |
|
Part Number | Price | In Stock | Add To Cart | ||||
| ASA 6 (11.00" OD) |
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Blank | 0.81 |
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— | 11 | 0.75 | Blank | — | — | 9.5 | ASA FLG,SS,FXD,11"OD,BLANK, (8).812"BLTHLS,9.5"BC |
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ASA1100X00 | $267.30 |
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| ASA 6 (11.00" OD) |
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6.02 | 0.81 |
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— | 11 | 0.75 | 6.02 | 5.92 | 0.38 | 9.5 | ASA FLG,SS,FXD,11"OD,6.02" C-BORE,(8).812"BOLT HOLES,9.5"BC |
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ASA1100X60 | $445.00 |
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| ASA 6 (11.00" OD) |
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8.02 | 0.81 |
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11 | 0.75 | 8.02 | 7.88 | 0.38 | 9.5 | LIMITED QTY AVAIL ASA FLG,SS,FXD,11"OD,8.02" C-BORE,(8).812"BLTHLS,9.5"BC |
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ASA1100X80 | $110.00 |
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| ASA 8 (13.50" OD) |
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Blank | 0.81 |
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— | 13.5 | 0.75 | Blank | — | — | 11.75 | ASA FLG,SS,FXD,13.50"OD,BLANK, (8).812"BLTHLS,11.75"BC |
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ASA1350X00 | $525.00 |
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| ASA 8 (13.50" OD) |
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10.02 | 0.81 |
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— | 13.5 | 0.75 | 10.02 | 9.88 | 0.38 | 11.75 | ASA FLG,SS,FXD,13.50"OD,10.02" C-BORE,(8).812"BLTHLS,11.75"BC |
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ASA1350X10 | P.O.R. |
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| ASA 8 (13.50" OD) |
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8.02 | 0.81 |
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— | 13.5 | 0.75 | 8.02 | 7.88 | 0.38 | 11.75 | ASA FLG,SS,FXD,13.50"OD,8.02" C-BORE,(8).812"BLTHLS,11.75"BC |
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ASA1350X80 | $416.55 |
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| ASA 10 (16.00" OD) |
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Blank | 0.81 |
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— | 16 | 0.75 | Blank | — | — | 14.25 | ASA FLG,SS,FXD,16"OD,BLANK, (12).812"BH,14.25"BC |
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ASA1600X00 | $1,005.00 |
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| ASA 10 (16.00" OD) |
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10.02 | 0.81 |
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— | 16 | 0.75 | 10.02 | 9.88 | 0.38 | 14.25 | ASA FLG,SS,FXD,16"OD,10.02"C- BORE,(12).812"BH,14.25"BC |
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ASA1600X10 | $758.45 |
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| ASA 10 (16.00" OD) |
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12.02 | 0.81 |
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— | 16 | 0.75 | 12.02 | 11.88 | 0.38 | 14.25 | ASA FLG,SS,FXD,16"OD,12.02" C-BORE,(12).812"BH,14.25"BC |
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ASA1600X12 | $758.45 |
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| ASA 1 (4.25" OD) |
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Blank | 0.63 |
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— | 4.25 | 0.5 | Blank | — | — | 3.13 | ASA FLG,SS,FXD,4.25"OD,BLANK, (4).625"BLTHLS,3.125"BC |
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ASA425X00 | $68.40 |
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| ASA 1 (4.25" OD) |
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1.01 | 0.63 |
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— | 4.25 | 0.5 | 1.01 | 0.94 | 0.25 | 3.13 | ASA FLG,SS,FXD,4.25"OD,1.01" C-BORE,(4).625"BLTHLS,3.125"BC |
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ASA425X10 | P.O.R. |
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| ASA 1 (4.25" OD) |
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1.51 | 0.63 |
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— | 4.25 | 0.5 | 1.51 | 1.44 | 0.25 | 3.13 | ASA FLG,SS,FXD,4.25"OD,1.51" C-BORE,(4).625"BLTHLS,3.125"BC |
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ASA425X15 | $74.65 |
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| ASA 1.5 (5.00" OD) |
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Blank | 0.63 |
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— | 5 | 0.5 | Blank | — | — | 3.88 | ASA FLG,SS,FXD,5"OD,BLANK,(4) .625"BLTHLS,3.88"BC |
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ASA500X00 | $103.60 |
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| ASA 1.5 (5.00" OD) |
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1.51 | 0.63 |
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— | 5 | 0.5 | 1.51 | 1.44 | 0.25 | 3.88 | ASA FLG,SS,FXD,5"OD,1.51"CBORE (4).625"BLTHLS,3.88"BC |
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ASA500X15 | $108.80 |
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| ASA 1.5 (5.00" OD) |
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2.01 | 0.63 |
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— | 5 | 0.5 | 2.01 | 1.94 | 0.25 | 3.88 | ASA FLG,SS,FXD,5"OD,2.01"CBORE (4).625"BLTHLS,3.88"BC |
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ASA500X20 | $130.00 |
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| ASA 1.5 (5.00" OD) |
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2.51 | 0.63 |
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— | 5 | 0.5 | 2.51 | 2.44 | 0.25 | 3.88 | ASA FLG,SS,FXD,5"OD,2.51"CBORE (4).625"BLTHLS,3.88"BC |
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ASA500X25 | $104.70 |
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| ASA 2 (6.00" OD) |
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Blank | 0.75 |
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— | 6 | 0.5 | Blank | — | — | 4.75 | ASA FLG,SS,FXD,6"OD,BLANK,(4) .75"BLTHLS,4.75"BC |
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ASA600X00 | $112.95 |
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| ASA 2 (6.00" OD) |
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2.01 | 0.75 |
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6 | 0.5 | 2.01 | 1.94 | 0.25 | 4.75 | ASA FLG,SS,FXD,6"OD,2.01"CBORE (4).75"BLTHLS,4.75"BC |
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ASA600X20 | $123.30 |
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| ASA 2 (6.00" OD) |
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2.51 | 0.75 |
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— | 6 | 0.5 | 2.51 | 2.44 | 0.25 | 4.75 | ASA FLG,SS,FXD,6"OD,2.51"CBORE (4).75"BLTHLS,4.75"BC |
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ASA600X25 | $127.45 |
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| ASA 2 (6.00" OD) |
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3.01 | 0.75 |
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— | 6 | 0.5 | 3.01 | 2.94 | 0.25 | 4.75 | ASA FLG,SS,FXD,6"OD,3.01"CBORE (4).75"BLTHLS,4.75"BC |
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ASA600X30 | $123.30 |
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| ASA 2 (6.00" OD) |
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3.51 | 0.75 |
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— | 6 | 0.5 | 3.51 | 3.44 | 0.25 | 4.75 | ASA FLG,SS,FXD,6"OD,3.51"CBORE (4).75"BLTHLS,4.75"BC |
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ASA600X35 | $123.30 |
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| ASA 3 (7.50" OD) |
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Blank | 0.75 |
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— | 7.5 | 0.5 | Blank | — | — | 6 | ASA FLG,SS,FXD,7.5"OD,BLANK, (4).75"BLTHLS,6"BC |
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ASA750X00 | $155.00 |
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| ASA 3 (7.50" OD) |
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3.01 | 0.75 |
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— | 7.5 | 0.5 | 3.01 | 2.94 | 0.25 | 6 | ASA FLG,SS,FXD,7.5"OD,3.01" C-BORE,(4).75"BLTHLS,6"BC |
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ASA750X30 | $160.60 |
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| ASA 3 (7.50" OD) |
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3.51 | 0.75 |
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— | 7.5 | 0.5 | 3.51 | 3.44 | 0.25 | 6 | ASA FLG,SS,FXD,7.5"OD,3.51" C-BORE,(4).75"BLTHLS,6"BC |
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ASA750X35 | $265.00 |
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| ASA 3 (7.50" OD) |
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4.01 | 0.75 |
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— | 7.5 | 0.5 | 4.01 | 3.92 | 0.25 | 6 | ASA FLG,SS,FXD,7.5"OD,4.01" C-BORE,(4).75"BLTHLS,6"BC |
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ASA750X40 | $160.00 |
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| ASA 4 (9.00" OD) |
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Blank | 0.75 |
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— | 9 | 0.5 | Blank | — | — | 7.5 | ASA FLG,SS,FXD,9"OD,BLANK, (8).75"BLTHLS,7.5"BC |
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ASA900X00 | $171.00 |
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| ASA 4 (9.00" OD) |
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4.01 | 0.75 |
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— | 9 | 0.5 | 4.01 | 3.92 | 0.25 | 7.5 | ASA FLG,SS,FXD,9"OD,4.01"CBORE (8).75"BLTHLS,7.5"BC |
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ASA900X40 | $192.75 |
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| ASA 4 (9.00" OD) |
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6.02 | 0.75 |
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— | 9 | 0.5 | 6.02 | 5.92 | 0.25 | 7.5 | ASA FLG,SS,FXD,9"OD,6.02"CBORE (8).75"BLTHOLS,7.5"BC |
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ASA900X60 | $182.35 |
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| Flange Size/OD | Type | Flange Material | Drawing | Bore | Bolt Hole Dia. | # of Bolt Holes | Note | Dim A | Dim B | Dim C | Dim D | Dim E | Dim F | Description |
|
Part Number | Price | In Stock | Add To Cart | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Flange Size/OD | Type | Flange Material | Drawing | Bore | Bolt Hole Dia. | # of Bolt Holes | Note | Dim A | Dim B | Dim C | Dim D | Dim E | Dim F | Description |
|
Part Number | Price | In Stock | Add To Cart | ||||
| ASA 6 (279.40 mm OD) |
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Blank | 20.6 |
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— | 279.4 | 19.1 | Blank | — | — | 241.3 | ASA FLG,SS,FXD,11"OD,BLANK, (8).812"BLTHLS,9.5"BC |
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ASA1100X00 | $267.30 |
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| ASA 6 (279.40 mm OD) |
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152.9 | 20.6 |
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— | 279.4 | 19.1 | 152.9 | 150.4 | 9.7 | 241.3 | ASA FLG,SS,FXD,11"OD,6.02" C-BORE,(8).812"BOLT HOLES,9.5"BC |
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ASA1100X60 | $445.00 |
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| ASA 6 (279.40 mm OD) |
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203.708 | 20.6 |
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279.4 | 19.1 | 203.7 | 200.2 | 9.7 | 241.3 | LIMITED QTY AVAIL ASA FLG,SS,FXD,11"OD,8.02" C-BORE,(8).812"BLTHLS,9.5"BC |
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ASA1100X80 | $110.00 |
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| ASA 8 (342.90 mm OD) |
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Blank | 20.6 |
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— | 342.9 | 19.1 | Blank | — | — | 298.5 | ASA FLG,SS,FXD,13.50"OD,BLANK, (8).812"BLTHLS,11.75"BC |
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ASA1350X00 | $525.00 |
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| ASA 8 (342.90 mm OD) |
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254.5 | 20.6 |
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— | 342.9 | 19.1 | 254.5 | 251 | 9.7 | 298.5 | ASA FLG,SS,FXD,13.50"OD,10.02" C-BORE,(8).812"BLTHLS,11.75"BC |
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ASA1350X10 | P.O.R. |
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| ASA 8 (342.90 mm OD) |
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203.708 | 20.6 |
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— | 342.9 | 19.1 | 203.7 | 200.2 | 9.7 | 298.5 | ASA FLG,SS,FXD,13.50"OD,8.02" C-BORE,(8).812"BLTHLS,11.75"BC |
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ASA1350X80 | $416.55 |
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| ASA 10 (406.40 mm OD) |
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Blank | 20.6 |
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— | 406.4 | 19.1 | Blank | — | — | 362 | ASA FLG,SS,FXD,16"OD,BLANK, (12).812"BH,14.25"BC |
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ASA1600X00 | $1,005.00 |
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| ASA 10 (406.40 mm OD) |
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254.5 | 20.6 |
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— | 406.4 | 19.1 | 254.5 | 251 | 9.7 | 362 | ASA FLG,SS,FXD,16"OD,10.02"C- BORE,(12).812"BH,14.25"BC |
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ASA1600X10 | $758.45 |
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| ASA 10 (406.40 mm OD) |
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305.3 | 20.6 |
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— | 406.4 | 19.1 | 305.3 | 301.8 | 9.7 | 362 | ASA FLG,SS,FXD,16"OD,12.02" C-BORE,(12).812"BH,14.25"BC |
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ASA1600X12 | $758.45 |
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| ASA 1 (107.95 mm OD) |
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Blank | 16 |
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— | 108 | 12.7 | Blank | — | — | 79.5 | ASA FLG,SS,FXD,4.25"OD,BLANK, (4).625"BLTHLS,3.125"BC |
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ASA425X00 | $68.40 |
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| ASA 1 (107.95 mm OD) |
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25.7 | 16 |
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— | 108 | 12.7 | 25.7 | 23.9 | 6.4 | 79.5 | ASA FLG,SS,FXD,4.25"OD,1.01" C-BORE,(4).625"BLTHLS,3.125"BC |
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ASA425X10 | P.O.R. |
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| ASA 1 (107.95 mm OD) |
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38.354 | 16 |
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— | 108 | 12.7 | 38.4 | 36.6 | 6.4 | 79.5 | ASA FLG,SS,FXD,4.25"OD,1.51" C-BORE,(4).625"BLTHLS,3.125"BC |
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ASA425X15 | $74.65 |
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| ASA 1.5 (127.00 mm OD) |
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Blank | 16 |
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— | 127 | 12.7 | Blank | — | — | 98.6 | ASA FLG,SS,FXD,5"OD,BLANK,(4) .625"BLTHLS,3.88"BC |
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ASA500X00 | $103.60 |
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| ASA 1.5 (127.00 mm OD) |
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38.354 | 16 |
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— | 127 | 12.7 | 38.4 | 36.6 | 6.4 | 98.6 | ASA FLG,SS,FXD,5"OD,1.51"CBORE (4).625"BLTHLS,3.88"BC |
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ASA500X15 | $108.80 |
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| ASA 1.5 (127.00 mm OD) |
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51.054 | 16 |
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— | 127 | 12.7 | 51.1 | 49.3 | 6.4 | 98.6 | ASA FLG,SS,FXD,5"OD,2.01"CBORE (4).625"BLTHLS,3.88"BC |
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ASA500X20 | $130.00 |
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| ASA 1.5 (127.00 mm OD) |
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63.754 | 16 |
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— | 127 | 12.7 | 63.8 | 62 | 6.4 | 98.6 | ASA FLG,SS,FXD,5"OD,2.51"CBORE (4).625"BLTHLS,3.88"BC |
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ASA500X25 | $104.70 |
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| ASA 2 (152.40 mm OD) |
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Blank | 19.1 |
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— | 152.4 | 12.7 | Blank | — | — | 120.7 | ASA FLG,SS,FXD,6"OD,BLANK,(4) .75"BLTHLS,4.75"BC |
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ASA600X00 | $112.95 |
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| ASA 2 (152.40 mm OD) |
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51.054 | 19.1 |
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152.4 | 12.7 | 51.1 | 49.3 | 6.4 | 120.7 | ASA FLG,SS,FXD,6"OD,2.01"CBORE (4).75"BLTHLS,4.75"BC |
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ASA600X20 | $123.30 |
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| ASA 2 (152.40 mm OD) |
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63.754 | 19.1 |
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— | 152.4 | 12.7 | 63.8 | 62 | 6.4 | 120.7 | ASA FLG,SS,FXD,6"OD,2.51"CBORE (4).75"BLTHLS,4.75"BC |
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ASA600X25 | $127.45 |
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| ASA 2 (152.40 mm OD) |
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76.454 | 19.1 |
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— | 152.4 | 12.7 | 76.5 | 74.7 | 6.4 | 120.7 | ASA FLG,SS,FXD,6"OD,3.01"CBORE (4).75"BLTHLS,4.75"BC |
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ASA600X30 | $123.30 |
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| ASA 2 (152.40 mm OD) |
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89.2 | 19.1 |
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— | 152.4 | 12.7 | 89.2 | 87.4 | 6.4 | 120.7 | ASA FLG,SS,FXD,6"OD,3.51"CBORE (4).75"BLTHLS,4.75"BC |
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ASA600X35 | $123.30 |
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| ASA 3 (190.50 mm OD) |
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Blank | 19.1 |
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— | 190.5 | 12.7 | Blank | — | — | 152.4 | ASA FLG,SS,FXD,7.5"OD,BLANK, (4).75"BLTHLS,6"BC |
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ASA750X00 | $155.00 |
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| ASA 3 (190.50 mm OD) |
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|
76.454 | 19.1 |
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— | 190.5 | 12.7 | 76.5 | 74.7 | 6.4 | 152.4 | ASA FLG,SS,FXD,7.5"OD,3.01" C-BORE,(4).75"BLTHLS,6"BC |
|
ASA750X30 | $160.60 |
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| ASA 3 (190.50 mm OD) |
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|
|
89.2 | 19.1 |
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— | 190.5 | 12.7 | 89.2 | 87.4 | 6.4 | 152.4 | ASA FLG,SS,FXD,7.5"OD,3.51" C-BORE,(4).75"BLTHLS,6"BC |
|
ASA750X35 | $265.00 |
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| ASA 3 (190.50 mm OD) |
|
|
|
101.854 | 19.1 |
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— | 190.5 | 12.7 | 101.9 | 99.6 | 6.4 | 152.4 | ASA FLG,SS,FXD,7.5"OD,4.01" C-BORE,(4).75"BLTHLS,6"BC |
|
ASA750X40 | $160.00 |
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| ASA 4 (228.60 mm OD) |
|
|
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Blank | 19.1 |
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— | 228.6 | 12.7 | Blank | — | — | 190.5 | ASA FLG,SS,FXD,9"OD,BLANK, (8).75"BLTHLS,7.5"BC |
|
ASA900X00 | $171.00 |
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| ASA 4 (228.60 mm OD) |
|
|
|
101.854 | 19.1 |
|
— | 228.6 | 12.7 | 101.9 | 99.6 | 6.4 | 190.5 | ASA FLG,SS,FXD,9"OD,4.01"CBORE (8).75"BLTHLS,7.5"BC |
|
ASA900X40 | $192.75 |
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| ASA 4 (228.60 mm OD) |
|
|
|
152.9 | 19.1 |
|
— | 228.6 | 12.7 | 152.9 | 150.4 | 6.4 | 190.5 | ASA FLG,SS,FXD,9"OD,6.02"CBORE (8).75"BLTHOLS,7.5"BC |
|
ASA900X60 | $182.35 |
|
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All dimensions listed in the table above, unless otherwise stated, are in inches.
All dimensions listed in the table above, unless otherwise stated, are in millimeters.
Accessories Table
| Description | For | Per Package |
|
Part Number | Price | In Stock | Add Item | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Description | For | Per Package |
|
Part Number | Price | In Stock | Add Item | ||||
| O-Rings (Fluorocarbon) | Size 1 ASA Flanges | 1 |
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| O-Rings (Fluorocarbon) | Size 1.5 ASA Flanges | 1 |
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| O-Rings (Fluorocarbon) | Size 2 ASA Flanges | 1 |
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| O-Rings (Fluorocarbon) | Size 3 ASA Flanges | 1 |
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| O-Rings (Fluorocarbon) | Size 4 ASA Flanges | 1 |
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| O-Rings (Fluorocarbon) | Size 6 ASA Flanges | 1 |
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| O-Rings (Fluorocarbon) | Size 8 ASA Flanges | 1 |
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| O-Rings (Fluorocarbon) | Size 10 ASA Flanges | 1 |
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| Bolt Sets, 9/16—12 x 1.50" | Size 1 ASA & 1.5 ASA Flanges | 4 |
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| Bolt Sets, 5/8—11 x 1.75" | Size 2 ASA & 3 ASA Flanges | 4 |
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| Bolt Sets, 5/8—11 x 1.75" | Size 4 ASA Flanges | 8 |
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| Bolt Sets, 3/4—10 x 2.50" | Size 6 ASA & 8 ASA Flanges | 8 |
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| Bolt Sets, 3/4—10 x 2.50" | Size 10 ASA Flanges | 12 |
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