DK-Lok Pre-Swaging Tools: Manual, Manual Hydraulic and Electric
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Pre-swaging presets the DK-Lok nut and ferrules onto the tube before final installation. It's handy for larger tube sizes and for tight spots where it's hard to get a wrench on the fitting. Swage at the bench, then finish the make-up in place.
DK-Lok makes three types. Pick the one that fits your job from the Type option above.
| Manual (DPS) | Manual Hydraulic (DHS-2A) | Electric (DES-1A) | |
|---|---|---|---|
| Power | None, hand tool | Hydraulic hand pump, no electricity | Electric, 220V standard (110V on request) |
| Fractional sizes | 1/4", 5/16", 3/8", 1/2", 3/4" | 1/2" to 2" | 1/2", 3/4", 1", 1-1/4", 1-1/2", 2" |
| Metric sizes | Ask us | 12 to 50 mm | 12, 20, 28, 32 and 38 mm |
| Changing sizes | One tool per tube size | Swap the die and jig set (DJS) | Swap the die and jig |
| Carrying case | None | Aluminum case with wheels | Sturdy plastic case |
| Best for | Smaller sizes and occasional use | Large sizes in the field, away from power | Large sizes and production work at the shop |
Manual: DK-Lok DPS Pre-Swaging Tool
A hand tool sized for one tube OD, with no power needed. Pick yours by size: DPS-4 (1/4"), DPS-5 (5/16"), DPS-6 (3/8"), DPS-8 (1/2") or DPS-12 (3/4").
Manual Hydraulic: DK-Lok DHS-2A
The DHS-2A hydraulic swaging unit pairs a swaging head with a hydraulic hand pump, so you get the force of hydraulics without needing a plug. Per DK-Lok, it gives a consistent make-up with only about 30% of the manual pull-up torque.
- Sizes 1/2" to 2" and 12 to 50 mm, each with its own die and jig set (DJS)
- Comes with a spanner wrench, Allen wrench, die securing bolt and DK-Lok lubricant
- Portable in an aluminum carrying case with wheels
- Check tube wall thickness first. DK-Lok lists a minimum wall for each size, because tube below it can stick in the die.
Electric: DK-Lok DES-1A
The DES-1A electric swaging unit is DK-Lok's automatic pre-swager. Set the pressure for the tube size, load the tube, nut and ferrules, and press start. The piston advances, stops at the set pressure, returns on its own and the pump shuts off.
- Sizes 1/2", 3/4", 1", 1-1/4", 1-1/2" and 2"; 12, 20, 28, 32 and 38 mm
- 220V single phase standard, 110V on request
- Operating pressure 0 to 600 bar
- 400 x 400 x 230 mm, about 20 kg, in a sturdy plastic case
- Built-in counter and an emergency stop button
Which Sizes Require Pre-Swaging?
DK-Lok requires a pre-swaging unit for its 1-1/4", 1-1/2" and 2" fittings, and for 28, 30, 32 and 38 mm. After pre-swaging, finish the make-up in the fitting body per DK-Lok's instructions and check it with a gap gauge. We can send DK-Lok's operating manual for either unit.
Not Sure Which One You Need?
Tell us your tube sizes, wall thickness and how many fittings you're making up, and we'll point you to the right tool. See the rest of our tube installation tools, or ask about our free Safety training course for new and existing customers. For price and availability, call 310-833-3353 or email sales@abesttube.com.
DK-Lok Pre-Swaging Tools: Manual, Manual Hydraulic and Electric
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