Startup Bleeding and Venting Valves, Valve for Very Large Air VolumesEB 3.50, float-controlled startup bleeding valve for high operating pressures, special designs available with adapted continuous bleeding and venting valve (EB 6.54) | usable for nearly all liquids | body made of steel, CrNiMo-steel | high-pressure-resistant welded construction | long operational lifespan, extremely sturdy, available in special materials