KC Supply Co is the largest stocking distributor of Knappco and Civacon access doors. We offer pressure-rated, non-pressure-rated and pressure-relieving options. Call us today and we’ll help you determine which option is right for you. If you experience problems, our authorized, factory-trained repair center can help.
KNAPPCO AND CIVACON ACCESS DOORS
Knappco and Civacon access doors are utilized for petroleum, chemical and dry bulk cargo tanks that help safeguard against spills, overfills, and fugitive emissions: access ports, manholes, weld rings, hatches, fill covers, swing check valves, pressure vacuum hatches, pressure relief valves, vapor valves, bottom loading equipment, delivery elbows, overfill detection devices and vapor recovery adapters.