... Korea Hyosung).2. Pressure Grade: 2.5MPa (S2.5).3. Connection: Hot Welding.4. Size: 20mm, 25mm, 32mm, 40mm, 50mm, 63mm ... , not scaling, no rust, anti-bacterial.3. Light weight, high strength and high impact strength.4. Lower cost compared with steel fitting ... heating equipment.8. Piping system for other industries and agriculture. high quality white/green DN25 ppr fittings