hot sale products Standard or nonstandard heavy duty hose clamps Single Bolt Double Bands Heavy Duty Hose Clamp of hydraulic hose clamp machine :Highly resistant multiple use clamps for high pressures and significant clamping forces. The clamps are provided with three welding points and raised edges to increase their security, often used for irrigation, drains, pumping sludge etc. Specifications W1--all of the band, housing and screw is galvanized steel; W2-- band and housing 200ss or 300ss stainless steel, screw galvanized steel; W4--all of the band, housing and screw is 200ss or 300ss stainless steel;