Stainless Steel Non-Perforated Worm Drive Hose Clamp, DIN 3017 German Standard, Embossed Band, Smooth Edge Symmetric Welded Housing
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| Customization: | Available |
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| Standard: | DIN, GB |
| Product Type: | Non-Perforated Worm Gear Hose Clamps (Wn) |
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Basic Info.
- Model NO.
- WN B9 D50-70 W4
- What Material
- W4 Stainless Steel
- What Packaging
- Plastic Bag Placed in Box, Box on Pallet
- Supplier
- Factory
- Product Series
- Wn
- Band Width
- 9 mm (0.35")
- Clamping Range
- 50 mm-70 mm (1.97"-2.76")
- Band Thickness
- 0.6 mm (0.024")
- Origin
- China
Product Description
Non-perforated Worm Gear Hose Clamps (WN)
Product Description
Worm gear hose clamps are also called worm drive hose clamps, DIN 3017 non-perforated worm gear hose clamps, or German type hose clamps.
The German-type worm gear hose clamp offers high clamping force, vibration resistance and optimal hose protection with smooth non-perforated bands and rolled edges effectively eliminating hose abrasion.
Especially suited for most hoses and soft silicone hoses.
Material, clamping range and your logo can be stamped on the band.
Product Details:
| Material | ||
| Material Code | Corrosion Resistance | Material |
| W1 | Normal | Screw, Housing and Band are all zinc plated. |
| W2 | Average | Screw is zinc plated. Housing and Band are both 201/304 stainless. |
| W4 | High | Screw, Housing and Band are all 201/304 stainless steel. |
| W5 | Maximum | Screw, Housing and Band are all 316 stainless steel. |
| Diameter Range | |
| mm | inch |
| 8-12 | 0.32-0.47 |
| 10-16 | 0.39-0.63 |
| 12-20 | 0.47-0.79 |
| 12-22 | 0.47-0.87 |
| 16-25 | 0.63-0.98 |
| 16-27 | 0.63-1.06 |
| 20-32 | 0.79-1.26 |
| 25-40 | 0.98-1.57 |
| 30-45 | 1.18-1.77 |
| 32-50 | 1.26-1.97 |
| 35-50 | 1.38-1.97 |
| 40-60 | 1.57-2.36 |
| 50-70 | 1.97-2.76 |
| 60-80 | 2.36-3.15 |
| 70-90 | 2.76-3.54 |
| 80-100 | 3.15-3.94 |
| 90-110 | 3.54-4.33 |
| 100-120 | 3.94-4.72 |
| 110-130 | 4.33-5.12 |
| 120-140 | 4.72-5.51 |
| 130-150 | 5.12-5.91 |
| 140-160 | 5.51-6.30 |
| Material Code | Suggested Installation Breaking Torque for 9 mm (0.35") Bandwidth Clamp | Suggested Installation Breaking Torque for 12 mm (0.47") Bandwidth Clamp | ||
| Free Torque in Nm | Breaking Torque in Nm | Free Torque in Nm | Breaking Torque in Nm | |
| W1 | ≤ 0.8 Nm | ≥ 5.5 Nm | ≤ 0.8 Nm | ≥ 6.0 Nm |
| W2 | ≤ 0.6 Nm | ≥ 6.0 Nm | ≤ 0.6 Nm | ≥ 7.0 Nm |
| W4 | ≤ 0.6 Nm | ≥ 6.0 Nm | ≤ 0.6 Nm | ≥ 7.0 Nm |
| W5 | ≤ 0.6 Nm | ≥ 6.0 Nm | ≤ 0.6 Nm | ≥ 7.0 Nm |
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utomotive Industry - For securing fuel hoses, coolant lines, radiator pipes, and air intake connections in cars, trucks, and heavy vehicles.
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Industrial Equipment - Used in machinery, compressors, and hydraulic systems to fasten oil, water, and air hoses under high pressure.
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Marine and Offshore Use - Ideal for saltwater and corrosion-prone environments, ensuring reliable sealing in boat engines and marine pipelines.
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Plumbing and HVAC Systems - For tightening water hoses, drain pipes, and ventilation ducts in residential and commercial installations.
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Agricultural and Construction Machinery - To secure hydraulic and pneumatic hoses on tractors, excavators, and other heavy equipment.
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Dust Collection and Ventilation Systems - For connecting flexible hoses and ducting in industrial dust control and exhaust systems.
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Chemical and Food Processing Lines - Suitable for sanitary hose connections where smooth non-perforated bands prevent contamination.
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General Maintenance and DIY Projects - Versatile clamp for fastening rubber, silicone, and PVC hoses in multiple applications.
CHUANGO - Reliable Quality, Competitive Price, Global Reach.
TIANJIN CHUANGO FASTENERS CO., LTD., a high-quality hose clamps based in Tianjin, China.
We specialize in producing a full range of worm drive clamps, , ear clamps, CV joint clamps, heavy-duty clamps and T-bolt clamps for various industrial and automotive applications.
With strict quality control and advanced production equipment, every clamp we produce meets international standards for durability, precision, and corrosion resistance. Our management is rigorous, and all products are carefully inspected before shipment to ensure reliable performance even in harsh environments such as marine, automotive, and heavy-duty machinery.
We take pride in offering top-quality products at competitive prices, giving our customers the cost advantage of "Made in China" without compromising on quality.
Fast delivery is guaranteed through our efficient logistics system and proximity to Tianjin Port, ensuring smooth and timely shipment to global markets.
Our hose clamps are now exported to South America, the Middle East, Europe and South Asia, where they are well received for their excellent performance and stable quality.
We also provide OEM & ODM services, customized packaging, and full technical support to meet different customer needs.
Product Advantages
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High Quality & Reliability: Made from premium stainless steel, resistant to corrosion, wear, and harsh environments. Each clamp undergoes strict quality control to ensure long-lasting performance.
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Consistent Clamping Force: Constant torque design maintains stable tension, preventing leaks even under vibration, thermal expansion, or pressure changes.
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Wide Application: Suitable for automotive hoses, industrial machinery, HVAC systems, marine use, and heavy-duty equipment.
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Cost-Effective: Competitive prices take full advantage of "Made in China" cost benefits without compromising quality.
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Fast & Safe Delivery: Efficient logistics and strategic location near Tianjin Port ensure timely shipment worldwide.
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OEM & ODM Support: Custom sizes, designs, and packaging available to meet different customer requirements.
For samples, quotations, or any inquiries, please feel free to contact us. We are happy to provide technical support, OEM/ODM services, and fast shipping to meet your needs.
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