NIRON PP-RCT pipes and fittings were installed in Mat-Su Regional Outpatient Center, an important hospital in Wasilla, Alaska. The installation for boiler water was made in diameter from 63mm to 160mm. PP-RCT NIRON is a complete polypropylene pipe and fitting system manufactured using random copolymer polypropylene PP-RCT, a plastic material with a special molecular structure ensuring high mechanical resistance and duration, even at high temperatures and pressures.