- Spacer coupling with economical 3-component design.
- Unitized Disc Packs for ease of maintenance, replaceable without moving the connected equipment.
- HT (High Torque) disc packs for medium and heavy duty applications.
- Meet AGMA Class 9 balance off the shelf. Balance to AGMA 10, or compliance with API610 are available options.
304 KD 21 LS900 FB
Kop-Flex Disc Coupling – Style KD21 – Size 304 – Finished Bore – 304 KD 21 LS900 FB
SKU: 2430585
Category: Disc Couplings
Out of stock

| Hub Material: | Carbon Steel | Bore Type: | Finished Bore |
|---|---|---|---|
| Stock C Dimension: | 9 | Coupling Size: | 304 |
| Configuration: | 1 long hub/1 standard hub | Total Length (Std Hub Post) (in): | 16.75 in |
| Total WR2 (lb-in2): | 745 psi | Axial Capacity (+/-): | 0.17 |
| Style: | KD21 | Outside Diameter (in): | 9 in |
| Length Through Bore (long hub) (in): | 4.19 in | Length Through Bore standard hub (in): | 3.56 in |
| Torque Rating (in-lb): | 89, 000 in/lbs | Torque [Max] (ft-lb): | 14, 833 ft/lbs |
| Bore Size Min (in): | 1.5 in | UPC: | 662384012330 |
| Weight: | 106.66 LB |
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