ASFA S (12 mm) Constant Tension hose clamp
W4 - Stainless steel AISI 304
The ASFA S Constant Tension worm-drive hose clamp (12mm) is specifically designed for the automotive industry, providing an advanced solution for critical applications.
*The entire range is fully compliant with DIN 3017 norm and with RoHs EU Directive 2002/95/EC.
Benefits:
- Constant Tightness: Equipped with a spring-loaded insert and fitted on a semi-circular support inside of the band, these clamps guarantee constant tightening values and performance against variations in temperature, pressure and vibration.
- Critical Applications: Ideal for hot air hoses and engine refrigeration systems where contraction and expansion can affect the initial diameter.
- High Resistance: Manufactured from stainless steel for excellent corrosion resistance, ensuring durability and reliability in demanding environments.
What quality do you need?
Technical info for combination: W4 - Stainless steel AISI 304
Material:
Stainless steel W4 AISI 304 X5Cr Ni 18/10 (DIN 1.4301)
Stainless steel screw W4 AISI 304 Cu
Corrosion resistance:
400 hours salt spray (ASTM B-117)
Max. Tightening speed (RPM):
540 ± 5
All references for combination: W4 - Stainless steel AISI 304
| Part number | Ø D Application mm | A +0.3 -0.2 | C ±0.5 | L +1 -0.5 | S ±0.1 | H Max. | B Max. | Max. Pressure Bar | Max. Torque Nm | Box Quantity | Outer Box Quantity | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 03017929 | 16-27 | 12 | 15 | 29,6 | 0,8 | 11 | 16,7 | 45 | 5,0 | 50 | 400 | |
| 03017930 | 20-32 | 12 | 15 | 29,6 | 0,8 | 11 | 16,7 | 45 | 6,0 | 50 | 400 | |
| 03017931 | 25-40 | 12 | 15 | 29,6 | 0,8 | 11 | 16,7 | 40 | 6,0 | 50 | 400 | |
| 03017932 | 30-45 | 12 | 15 | 29,6 | 0,8 | 11 | 16,7 | 35 | 6,0 | 50 | 400 | |
| 03017933 | 32-50 | 12 | 15 | 29,6 | 0,8 | 11 | 16,7 | 35 | 6,5 | 50 | 200 | |
| 03017934 | 40-60 | 12 | 15 | 29,6 | 0,8 | 11 | 16,7 | 30 | 6,5 | 50 | 400 | |
| 03017935 | 50-70 | 12 | 15 | 29,6 | 0,8 | 11 | 16,7 | 25 | 7,5 | 50 | 400 | |
| 03017936 | 60-80 | 12 | 15 | 29,6 | 0,8 | 11 | 16,7 | 20 | 7,5 | 50 | 50 | |
| 03017937 | 70-90 | 12 | 15 | 29,6 | 0,8 | 11 | 16,7 | 17 | 7,5 | 50 | 50 | |
| 03017938 | 80-100 | 12 | 15 | 29,6 | 0,8 | 11 | 16,7 | 14 | 7,5 | 25 | 200 | |
| 03017939 | 90-110 | 12 | 15 | 29,6 | 0,8 | 11 | 16,7 | 12 | 7,5 | 25 | 200 | |
| 03017940 | 100-120 | 12 | 15 | 29,6 | 0,8 | 11 | 16,7 | 10 | 7,5 | 25 | 200 | |
| 03017941 | 110-130 | 12 | 15 | 29,6 | 0,8 | 11 | 16,7 | 8 | 7,5 | 25 | 25 | |
| 03017942 | 120-140 | 12 | 15 | 29,6 | 0,8 | 11 | 16,7 | 7 | 7,5 | 25 | 25 |
Brochure-ASCTW4.pdf
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