Pfaff-Silberblau Worm Gear Drive S20 and S24 hand-operated gearbox accessories for ZWW-L and ZWW wall-mounted jacks. Reduction 20:1 or 24:1, self-locking when crank released. CE & UKCA marked.
Delivery time: 2-3 working days
Pallet delivery from ยฃ89.00 ex VAT
Models S20 and S24 | Hand-Operated Gearbox Accessory | Reduction 20:1 (S20) or 24:1 (S24) | Drive Torque 12 or 36 daNm | CE & UKCA
The Pfaff-Silberblau S20 and S24 are hand-operated worm gear drives, designed as bolt-on gearbox accessories for the ZWW-L and ZWW wall-mounted rack & pinion jack ranges. The worm gear provides a reduction ratio between the operator's crank and the jack pinion shaft, substantially reducing the required hand effort at the cost of more crank rotations. Both models are self-locking when the crank is released, providing additional load holding alongside the jack's own load brake. S20 fits the ZWW-L light-duty range (25 mm shaft); S24 fits the ZWW heavy-duty range (36 mm shaft).
Pfaff-Silberblau is part of the Columbus McKinnon group, one of the world's largest manufacturers of motion technology and lifting equipment. This product is CE marked (EU Machinery Directive 2006/42/EC) and UKCA marked (UK Supply of Machinery (Safety) Regulations 2008), manufactured to DIN 7355 (Steel jacks acc. to DIN), and is supplied with a Declaration of Conformity. LOLER 1998 thorough examinations are required every 12 months by a competent person after initial certification.
| Model | Article No. | Reduction Ratio | Drive Torque (daNm) | Input Shaft Dia. (mm) | Application |
|---|---|---|---|---|---|
| S20 | 32626004 | 20:1 | 12 | 25 | ZWW-L 300 to 1200 light-duty wall jacks |
| S24 | 32626020 | 24:1 | 36 | 36 | ZWW 1500 to 10000 heavy-duty wall jacks |
Worm gear drives are bolt-on gearbox accessories for the ZWW-L and ZWW ranges, not standalone lifting equipment. Both are self-locking when the crank is released. Refer to the dimensional drawing for installation envelope.
Used wherever a ZWW-L or ZWW jack needs to be operated with reduced hand effort. Applications: heavy industrial maintenance, sluice gate auxiliary drives, building services, automated systems requiring manual emergency drive.
Warning: The S20 and S24 are gearbox accessories, not standalone lifting equipment. System WLL is determined by the jack itself, not the gearbox. Do not exceed the jack's WLL.
Periodic lubrication (annually under normal use; 6 months under heavy duty). Use the lubricant grade in the Operating Manual (typically gear oil ISO VG 220). Inspect at each LOLER examination. WOLFF Onsite provides spare parts and overhaul.
How it works
At WOLFF Onsite, weโve made renting equipment an effortless experience. Our streamlined process ensures you have fast access to quality equipment and heavy lifting accessories, tailored specifically to your project needs, exactly when you require them.
Currently, we operate on an enquiry basis. Simply reach out with your requirements, and our team will respond promptly with a customised quote to match your project scope and timeline.
From initial consultation to final handover and ongoing, we offer full support every step of the way, guaranteeing that your rental experience runs smoothly and efficiently.
Contact our team to discuss your project requirements and choose the right equipment.
Weโll provide a customised quote based on your needs and rental period.
Our experts deliver and set up the equipment at your site.
Receive full support throughout the rental period to ensure everything runs smoothly.
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From our depot to your site, every order is fully tracked and delivered on our own WOLFF Onsite vehicles or via trusted courier partners. Delivery costs are calculated based on your postcode and order size.
Pallet Delivery
Dispatched within 1โ2 working days, delivered next working day between 8amโ5pm, Monday to Friday. Delivery cost is based on the number of pallet spaces and your delivery zone.
Parcel Delivery
Smaller items like radio accessories and safety equipment ship via tracked courier at a flat rate. Deliveries between 8:30amโ5pm, Monday to Friday.
RENTAL Delivery / Collection
All rentals are delivered and collected by the WOLFF Onsite team. We'll confirm a delivery time that works for you and arrange collection within 3 working days of your hire end date. Deliveries and collections between 8amโ5pm, Monday to Friday, Saturday collections can be arranged if suitable.
Dispatch Times
Orders placed by 1pm are dispatched same day where possible. Some products carry a manufacturing lead time, this is always stated in the product description.
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Part of WOLFFKRAN, trusted since 1854
