Complete range for reliable process observation, from standard to high-pressure designs, suitable for every industry and application.

Round tank sight glasses Ideal for localised process observation. From non-pressurised versions to high-pressure and high-temperature models, round tank sight glasses All de s One s igns. up ACI in plier. Jü Germ lich, any. provide a clear view of the process through a central inspection opening. Typical applications: Tank and vessel inspection Monitoring aggressive media Control under high pressures and temperatures Tank sight glasses – clear view for safe processes Tank sight glasses are indispensable components Wide range of designs, sizes and materials in industrial process monitoring. They...

ACI places the highest emphasis on quality and safety. Each of our tank sight glasses is manufactured with the utmost precision, stringently tested and engineered for the most demanding applications. Whether a standard design or a custom solution, we ensure maximum operational safety and reliability, even under extreme conditions. Because special requirements need strong partners ®. Our complete range at a glance The ACI portfolio of tank sight glasses covers all industrial requirements, from non-pressurised sight glasses to rugged special designs for extreme operating conditions. We manufacture...

TECHNICAL DATA Pressure ratings Type 318V vacuum to plus 2.5 bar Materials Stainless steel 1.4571 (316Ti), Stainless steel 1.4404 (316L) and others Mica shields, Connection For welding in or welding on Temperature -196°Cto400“Cdependingon range material combination Clear view from non pressurised to low pressure Our non pressurised and lightweight tank sight glasses of types 317, 318 and 318V are the ideal choice for simple visual checks at low pressures or under vacuum318V. They can be welded directly onto or into tanks and provide a cost effective solution for numerous applications. Manufactured...

TECHNICAL DATA TypesNominal sizes Stainless steel 1.4571 (316Ti), Stainless steel 1.4404 (316L) Glass typesConnection type Borosilicate glass (DIN 7080), Soda-lime glass (DIN 8902) Standards compliant visibility, robust and versatile Our standard sight glasses for pressure vessels of types 321 and 321A meet the highest demands for safety, durability and process clarity. Manufactured to DIN and rated for operating pressures up to 25 bar, they are suitable for universal use in industrial plants. The combination of high quality stainless steel construction and approved glass types such as borosilicate...

ROUND TANK SIGHT GLASSES TECHNICAL DATA Maximum robustness for extreme conditions Our high pressure and high temperature tank sight glasses of types 322, 322A and 323 are specifically engineered for duties where standard designs reach their limits. They withstand high pressures, extreme temperatures and aggressive media while consist- Nominal sizes Pressure ratings 0 to 250 bar depending on material combination Stainless steel 1.4571 (316Ti) or high temperature alloy Glass types Borosilicate glass (DIN 7080), quartz glass Connection type Bolt pattern Temperature max. 1000 °C depending on range...

LONGITUDINAL SIGHT GLASSES TECHNICAL DATA Reliable monitoring for a wide range of applications Our rectangular longitudinal sight glasses of types 330 and 334 are robust standard designs for continuous level monitoring in tanks and vessels. They offer universal applicability, short lead times and attractive pricing. Manufactured in stainless steel and fitted with borosilicate glass (DIN 7081), they provide a durable solution for a wide range of industrial applications. Typical applications: • Level monitoring in process and storage tanks • Water and wastewater treatment • Biogas plants and power...

LONGITUDINAL SIGHT GLASSES TECHNICAL DATA Stable, pressure resistant and long lasting Our oval longitudinal sight glasses are designed for higher pressure and temperature ranges. The oval shape promotes more uniform pressure distribution and enables use under high loads. This delivers a durable and safe solution for demanding processes where reliability and robustness are critical. Equipped with high grade stainless steel frames and glass types such as borosilicate in transparent or reflex designs, they provide a long lasting solution for challenging applications. • Level monitoring and process...

Halar® coating PFA/FEP coating More functionality. More safety. More comfort. • Halar® coating: Provides additional protection against chemical attack. • PFA/FEP coating: Protects against chemical With our extensive accessory programme you attack, is non stick and electrically insulating. • Mica shields: Protect the glass at high tempe- can tailor your tank sight glasses precisely to rature and with aggressive media. each application. Whether additional safety, improved visibility or increased resistance, we provide matched solutions that maximise the performance and service life of your assemblies....

Quality is our standard, safety is our commitment Since its founding, ACI Industriearmaturen has stood for uncompromising quality, precise manufacturing and absolute operational safety. Every product is made from certified materials, tested to the most stringent standards and engineered for reliable use in demanding applications. Engineering expertise, modern manufacturing and a dedicated team guide you from the initial consultation to successful commissioning. ACI, your partner for a clear view and maximum operational safety. Pressure Equipment Directive 2014/68/EU, Module H DIN EN ISO 9001:2015,...

YOUR CERTIFIED PARTNER FOR SAFE AND PRECISE PROCESS OBSERVATION. DEVELOPED TO THE HIGHEST STANDARDS SINCE 2008 – WHEN MAXIMUM QUALITY AND RELIABILITY MATTER MOST. From the chemical industry to the energy supply sector – our custom-engineered solutions ensure top quality and safety for your demanding applications. Take advantage of our technical expertise and comprehensive service. Since 2008, ACI Industriearmaturen GmbH has stood for German engineering excellence in process observation. As a certified manufacturer under PED 2014/68/EU and DIN EN ISO 9001:2015, we specialize in the design and...