JOWIN single pin pressure clamps are available in sizes from 1/2" to 12". Single pin pressure clamps are an ideal and population solution for most intended Tri Clamp fittings, there are heavy duty and light duty, light duty type can not cover enough clamp flange, it is not safe. This wing nut style tightening screw allows for quick and easy assembly without tools. Over tightening a pressure clamp may cause the gasket between two clamp fitting removed.
