![LP SGP-VA (Black) / SGP-VB (White)](https://www.kyosei.com/english/cms/wp-content/uploads/2018/11/kl_lp.jpg)
Standard product under Japan Water Works Association (JWWA K 116).
LP is widely used as industrial and household water supply piping material, solving red water (rusty water) and white water (aerated water) problems.
Both SGP-VA (JIS G 3452 steel pipe with its inner surface coated with hard PVC) and SGP-VB (JIS G 3442 steel pipe with its inner surface coated with hard PVC) are water supply piping standard products under Japan Water Works Association (JWWA K 116).