ASA Flow Sight Glasses – Made in Germany

ASA Flow Sight Glasses – Made in Germany
ASA flow sight glasses are engineered for reliable visual inspection of process media in industrial applications. Designed and manufactured in Germany, they combine robust construction with high-quality materials and certified safety standards.
The product range covers sizes DN15 to DN150 (NPS ½” to 6”) and pressure classes PN10 to PN40 as well as ASME Class 150 and 300. Bodies are available in carbon steel or stainless steel, with additional materials on request. Various sight glass options such as borosilicate, soda lime or metaglass ensure optimal visibility under different operating conditions.
ASA sight glasses are suitable for flange, butt weld, socket weld or threaded connections and comply with major international standards and approvals, including PED 2014/68/EU, AD 2000 A4, EN 12516-2 and TA-Luft 2021. Product-side graphite seals and stainless steel fasteners ensure long-term tightness and durability.
With more than 40 years of experience in industrial valve solutions, ASA stands for precision manufacturing, extensive quality control and full traceability. Each sight glass is clearly marked with serial number, year of manufacture and application limits, guaranteeing safety, transparency and reliability in demanding industrial environments.