Hose clamp Topex 37D512, worm-drive, size 80–100 mm, stainless steel class W2

Topex 37D512 is a worm-drive hose clamp with an adjustable diameter range of 80–100 mm, designed to secure hoses, pipes and ducting in applications that require medium corrosion resistance. The clamp features a slotted stainless-steel band and a screw-driven housing that provides uniform circumferential pressure and reliable sealing. Constructed to W2 corrosion-resistance standard — stainless-steel band combined with a zinc-plated housing — it balances durability and cost for general repair, plumbing and HVAC tasks.

Advantages

The worm-drive mechanism allows fine adjustment and consistent clamping force across the full 80–100 mm range. Stainless-steel band material resists corrosion on the contact surface, while the zinc-plated housing offers additional protection for the screw assembly. The slotted band design ensures even distribution of pressure around hoses or ducts, reducing the risk of leaks or damage to soft materials. The clamp is compatible with common screwdriver or nut-driver tools for quick installation and removal.

Suitable for

• Securing rubber and silicone hoses in plumbing and automotive systems
• Fastening ventilation ducts and flexible ducting in HVAC installations
• General workshop and repair tasks requiring adjustable circumferential clamping

Key specifications

• Diameter range: 80–100 mm
• Clamping type: worm-drive (screw-tightened)
• Band material: stainless steel (contact surface)
• Housing finish: zinc-plated
• Corrosion resistance class: W2 (medium protection)
• Adjustment method: slotted band with threaded screw

How to use

Place the clamp around the hose or duct with the slotted band encircling the connection point, ensuring the band sits evenly without twisting. Position the clamp so the screw housing is accessible, then tighten the screw using a compatible screwdriver or nut driver until the desired compression and seal are achieved. Avoid over-tightening to prevent deformation of soft hoses; check the connection after initial operation and re-tighten if necessary.

Usage recommendations

For longer service life in corrosive or outdoor environments, consider periodic inspections and replacement if signs of corrosion or thread wear appear. Use the clamp within its specified diameter range to ensure effective sealing and avoid using it on tapered fittings without appropriate washers or adapters.