... Pressure 1.6MPa,2.0MPa,2.5MPa Size full16mm through 32mm availability Material polybutenePressure 1.6MPa,2.0MPa,2.5MPaSize full16mm ... through 32mm availabilityStandard GB/T 19473.2-2004Colours beige ,gray ... carrying out work5, Corrosion resistance6, Impact resistance7, Suitable for the centrifugal heating system and water supply PB female ...