Product Description cam&groove coupling PP plastic nylon fitting fluid safety transfer camlock coupling  Polypropylene cam and groove Coupling are made according to standard A-A-59326(original standard Mil-C-27487), size from 1/2″ to 4″. Black Polypropylene Camlock fitting s are made from polypropylene reinforced with 25%-30%acid-resistant fibreglass.It has excellent tolerance to most corrosive acids, bases, fertilizers, solvents and wastewater, so … Continue reading China wholesaler Cam&Groove Coupling PP Plastic Nylon Fitting Fluid Safety Transfer Camlock Coupling