Formed Strip Brush | Cup Forms
Products
Cup seals and cup arcs are available with and without brush holders, or can be installed with mounting tabs. Click here for available mounting tabs. Channel sizes include A, B, C, D, F, G, and K and are available in galvanized and stainless steels. Standard minimum cup outside diameter (OD) and standard minimum arc outside radius (OR) depends on channel size and channel material as shown below. (For cup and arc forms with K channel, contact your SEALEZE® Sales Representative for maximum and minimum radii). A wide range of synthetic, natural and metal filaments are available.
If your application requires a cup form with diameter and radius less than those shown, contact a SEALEZE® Sales Representative for more information.
To email us your application information, click here. Or, call 1-800-787-7325.
CUP Seals

| Channel Section Size | |||
| Section Size | (X) Width (inches) | (Y) Height (inches) | ![]() |
| A | 0.095 | 0.110 | |
| B | 0.150 | 0.152 | |
| C | 0.180 | 0.199 | |
| D | 0.240 | 0.256 | |
| F | 0.313 | 0.313 | |
| G | 0.350 | 0.370 | |
| K | 0.500 | 0.500 | |
| MINIMUM OD (inches) FOR CUP SEALS | ||||
|---|---|---|---|---|
| Section | Product Code* | Galvanized Channel | Stainless Channel | Stainless Filament |
| A | CFA1
Quote
| 1.000 | 1.500 | 1.750 |
| B | CFB1
Quote
| 1.250 | 1.750 | 2.500 |
| C | CFC1
Quote
| 1.500 | 2.000 | 3.250 |
| D | CFD1
Quote
| 2.000 | 3.000 | 4.000 |
| F | CFF1
Quote
| 2.750 | 3.625 | 4.625 |
| G | CFG1
Quote
| 3.000 | 4.000 | 5.000 |
| K | CFK1
Quote
| 10.000 | 12.000 | 15.000 |
| *T-304 S/S Channel change "1" to "2". T-316L Channel change "1" to "6". | ||||
Click here to download a worksheet for Cup Seals (pdf)
Or, click here for the online worksheet
| MINIMUM OD (inches) FOR CUP SEALS with Formed Aluminum Holders | ||||
|---|---|---|---|---|
| Section | Product Code* | Straight Flange | Right-Angle Flange | Angled Holders |
| A | CFA1
Quote
| 4.000 | 6.000 | On Application |
| B | CFB1
Quote
| 5.000 | 7.000 | On Application |
| C | CFC1
Quote
| 6.000 | 8.000 | On Application |
| D | CFD1
Quote
| 6.500 | 9.000 | On Application |
| F | CFF1
Quote
| On Application | On Application | On Application |
| G | CFG1
Quote
| 10.000 | 12.000 | On Application |
| *T-304 S/S Channel change "1" to "2". T-316L Channel change "1" to "6". | ||||
Click here to download a worksheet for Cup Seals with Formed Aluminum Holder (pdf)
Or, click here for the online Worksheet
CUP Arcs

| Channel Section Size | |||
| Section Size | (X) Width (inches) | (Y) Height (inches) | ![]() |
| A | 0.095 | 0.110 | |
| B | 0.150 | 0.152 | |
| C | 0.180 | 0.199 | |
| D | 0.256 | 0.256 | |
| F | 0.313 | 0.313 | |
| G | 0.350 | 0.370 | |
| K | 0.500 | 0.500 | |
| MINIMUM OR (inches) FOR CUP ARCS | ||||
|---|---|---|---|---|
| Section | Product Code* | Galvanized Channel | Stainless Channel | Stainless Filament |
| A | CAA1
Quote
| 0.500 | 0.750 | 1.750 |
| B | CAB1
Quote
| 0.625 | 0.875 | 1.250 |
| C | CAC1
Quote
| 0.750 | 1.000 | 1.630 |
| D | CAD1
Quote
| 1.000 | 1.500 | 2.000 |
| F | CAF1
Quote
| 1.375 | 1.813 | 2.313 |
| G | CAG1
Quote
| 1.500 | 2.000 | 2.500 |
| K | CAK1
Quote
| 5.000 | 6.000 | 7.500 |
| *T-304 S/S Channel change "1" to "2". T-316L Channel change "1" to "6". | ||||
Click here to download a worksheet for Cup Arcs (pdf)
Or, click here for the online worksheet
| MINIMUM OR (inches) FOR CUP ARCS with Formed Aluminum Holders | ||||
|---|---|---|---|---|
| Section | Product Code* | Straight Flange | Right-Angle Flange | Angled Holders |
| A | CAA1
Quote
| 2.000 | 3.000 | On Application |
| B | CAB1
Quote
| 2.500 | 3.500 | On Application |
| C | CAC1
Quote
| 3.000 | 4.000 | On Application |
| D | CAD1
Quote
| 3.250 | 4.500 | On Application |
| F | CAF1
Quote
| On Application | On Application | On Application |
| G | CAG1
Quote
| 6.000 | 6.000 | On Application |
| *T-304 S/S Channel change "1" to "2". T-316L Channel change "1" to "6". | ||||
Click here to download a worksheet for Cup Arcs with Formed Aluminum Holder (pdf)
Or, click here for the online worksheet




