12 mm German Type Bridge Hose Clamp
The 12 mm German type bridge hose clamp is a reinforced worm-drive clamp designed for spiral, corrugated and wire-reinforced hose profiles. Its bridge structure crosses the raised hose reinforcement and helps maintain stable clamping pressure around uneven surfaces.
- 12 mm wide, 0.6 mm thick band
- Reinforced bridge structure
- W2, W4 and W5 material options
- Designed for vibration-prone connections
Stable Clamping Across Spiral and Ribbed Hose Surfaces
A conventional flat-band clamp can leave uneven contact around a hose with an external spiral, raised rib or wire reinforcement. The bridge section of this clamp spans the raised profile, allowing the surrounding band to sit more evenly against the hose surface.
The German-style perforated band and worm-drive screw provide controlled diameter adjustment during installation. This structure is suitable for industrial hose connections where vibration resistance, compact dimensions and repeatable tightening are important.
- Helps reduce contact gaps around raised hose spirals.
- Supports more balanced pressure around the connection.
- Suitable for installation with standard hand tools.
- Available in material configurations for different environments.
Why Use a Bridge Hose Clamp?
The bridge is not simply a visual feature. It addresses the sealing and installation difficulties created by reinforced, corrugated and uneven hose profiles.
Uneven Contact on Spiral Hoses
The bridge section crosses the raised spiral reinforcement so the main band can contact more of the hose circumference.
Localised Hose Deformation
A reinforced structure helps distribute tightening force more consistently instead of concentrating pressure at one point.
Loosening Under Vibration
The rigid bridge, worm-drive housing and controlled screw adjustment support a stable connection in vibrating equipment.
Material Limitations
W2, W4 and W5 configurations provide different combinations of stainless steel and galvanized steel components.
Functional Components of the Bridge Clamp
Each component contributes to the clamp’s adjustment, rigidity and ability to follow a reinforced hose profile.
12 mm Bridge Hose Clamp Specifications
Confirm the required hose outside diameter, material grade and installation environment before placing an order.
| Parameter | Specification | Selection Notes |
|---|---|---|
| Product Type | German-Type Bridge Worm-Drive Hose Clamp | For spiral, ribbed and reinforced hose profiles |
| Band Width | 12 mm | Wide-band structure for stable hose contact |
| Band Thickness | 0.6 mm | Balances flexibility and structural rigidity |
| Reference Diameter | Starting from the 30–50 mm range | Confirm the exact diameter range for the selected model |
| Screw Head | 7 mm | Suitable for controlled manual tightening |
| Screw Drive | Cross-recessed “+” or slotted “−” | Drive style can vary by product configuration |
W2, W4 and W5 Material Configurations
Select the clamp material according to corrosion exposure, operating environment and purchasing requirements.
| Grade | Band | Screw | Housing |
|---|---|---|---|
| W2 | SS200 / SS300 Series | Galvanized Steel | SS200 / SS300 Series |
| W4 | SS200 / SS300 Series | SS200 / SS300 Series | SS200 / SS300 Series |
| W5 | SS316 | SS316 | SS316 |
Typical Uses for the German Bridge Hose Clamp
The clamp is intended for hose connections where an external spiral, rib or reinforcing profile makes conventional flat-band clamping less effective.
Information Required for Product Selection
Providing accurate connection data helps DISLAB PRECISION identify the appropriate clamp diameter and material configuration.
Hose Outside Diameter
Measure the hose after it has been installed over the fitting rather than measuring the loose hose alone.
Spiral Pitch and Height
Provide the spacing and height of the raised reinforcement so the bridge can be matched to the hose profile.
Operating Environment
Indicate moisture, chemicals, outdoor exposure and other corrosion conditions when choosing W2, W4 or W5.
Quantity and Packaging
State the required quantity and packing method when requesting a commercial quotation.
German-Type Bridge Hose Clamp FAQ
Practical answers for engineers, distributors and industrial buyers.
What is the difference between a bridge clamp and a standard worm-drive clamp?
A standard worm-drive clamp uses a continuous circular band. A bridge clamp includes a raised section that crosses the spiral or rib on a reinforced hose, helping the remaining band sit more evenly around the hose surface.
Is this clamp suitable for wire-reinforced or corrugated hose?
Yes. The bridge structure is specifically useful on hoses with an external wire spiral, raised reinforcement or corrugated profile. The bridge dimensions still need to correspond with the actual hose construction.
How should the correct clamp diameter be measured?
Measure the outside diameter of the hose after it has been fitted over the pipe, connector or coupling. Select a clamp range that places this diameter near the middle of the clamp’s adjustment range.
Which material option should be selected: W2, W4 or W5?
W2 combines a stainless steel band and housing with a galvanized steel screw. W4 uses SS200 or SS300 series material for the band, screw and housing. W5 uses SS316 throughout for applications requiring stronger corrosion resistance.
Can the clamp be used in continuously vibrating equipment?
The reinforced bridge and worm-drive structure are designed to provide stable clamping in vibration-prone applications. Correct sizing and tightening remain important for maintaining the connection.
What information should be included in a quotation request?
Include the installed hose outside diameter, hose type, spiral dimensions, preferred material grade, required quantity, application environment and packaging requirements.
Source 12 mm Bridge Hose Clamps from DISLAB PRECISION
Send your hose outside diameter, reinforcement profile, material preference and order quantity. Our team will review the application and confirm the appropriate clamp specification.
Explore the Complete Industrial Clamps Range
Download the DISLAB PRECISION Industrial Clamps Catalog to compare clamp families, materials, construction options and typical applications. Use it to shortlist a suitable design, then send us your dimensions, operating conditions and required quantity for review.
Request a Hose Clamp Quotation
Tell us the clamp type, installed hose outside diameter, preferred material, required quantity, application and destination country. Our team will review the details and respond with practical specification and quotation guidance.
Need to send drawings or specifications?
Email your PDF, STEP, DWG, DXF or other reference files directly to [email protected], or send them via WhatsApp.
For CAD drawings, product photos, samples or detailed specifications, submit the form first and then email the files directly to David .