Rapidrop grooved fittings are designed and manufactured to comply with ASTM F1548
and ANSI/AWWA C606. Used for grooved mechanical couplings conforming to ASTM F1476. For sizes not specified in these standards, please contact Rapidrop for details. Rapidrop ductile iron pipe couplings and fittings material conforming to ASTM A536 Grade 65-45-12, equal to QT450-12 or SAE J434:D4512 or EN1563:EN-GJS-450-10 OR EN GJS-450-15 or JIS G5502:FCD450-10 or SABS 936/937:SG42.