BULKHEAD CONNECTOR The 57.000 serie is oriented to the “Heavy Duty” market. This full metal solution offers robust and high performances. Mainly used in environments with strong vibrations, abrasions and welding sparks. Main advantages - Quick connection and disconnection - Full Flow and Vacuum resistant tank to special shaped seals - 3 threads available, BSPP, BSPT (universal short) & Metric - Robust and Resistant - Large range to satisfy extreme applications - EPDM (-40 °C) version on demand - Silicon Free