Acs Certificate Suntex Single Ball Air Release Valve with Price - Triple Function. Triple Function Design: Combines venting, filling, and air release in one unit for high performance under pressure. Durable Material Construction: Features ductile iron body, steel forging top cover, and SS304 float ball. Comprehensive Certifications: Certified by ISO9001, WRAS, and ACS for water and drinking water safety. Robust Coating Protection: Blue epoxy coating ensures corrosion resistance and longevity. Wide Pressure Range: Available in working pressures of PN10, PN16, and PN25. Full Size Coverage: Sizes range from DN50 to DN200 to fit various pipe systems. 100% Quality Testing: Every unit undergoes rigorous water pressure and visual inspection. Flexible Customization: Offers full customization, minor customization, and sample-based options.