... .PPR:Yanshan Petro,Korea Hyosung 4.Thread standard:ISO 5.Thread type:G,R, NPT, BSP Ppr ... 5MPa.AN3. Design standard: GB/T8464-20084. Pipe thread standard: ISO2285. Connection: Hot Welding.6. Size: ... no rust, anti-bacterial.3. Light weight, high strength and high impact strength.4. Convenient installation, reliable, recycled, ... for other industries and agriculture. High quality male thread PPR ball valve