... Approval,good quality with competitive price(We are manufacture). cap FM&UL approved Convenient and reliable joint Painting, epoxy powder coating ... , galvanizing Fire protectionCAP grooved, grooved fittings similar to Victaulic ones FM&UL approved Material: ductile cast-iron ASTM-A536 Surface can ... : water treatment, plumbing and mining ductile cast iron cap with FM UL Approval