Norma Hose Clamps:
NORMA Constant Tension Hose Clamps

NORMA® - providing all the options.

NORMA Constant Tension Worm Drive Clamps overcome "Cold Leaks" often experienced when fitting new hoses. The radially positioned spring assures a continuous, self-acting tightening effect.

This is the only clamp to use for sealing new hoses and hoses which are exposed to wide swings in temperature or have a tendency to "flow" under the pressure of the clamp.

• 9mm - Clamping range from 12mm to 70mm. For use when fitting new hoses to vehicles, (radiator, heater, bypass etc) and soft or silicon hose in high heat applications.

• 12mm - Clamping range from 50mm to 110mm. For large hose diameters in air intake, turbo, intercoolers etc… in automotive, commercial and industrial applications.

• W2 - Bands and housings made of chromium stainless steel 1.4016 (430). Closure components made of mild steel, blue chromate.