Special tubular sight glasses for extreme operating conditions
For the customer of our Dutch partner EBORA BV, a special solution was developed that meets the highest requirements for pressure and temperature resistance. The task was to manufacture tubular sight glasses that can withstand a working pressure of 25 bar and a wide working temperature range of -101 °C to +100 °C.
Thanks to our extensive experience and certification according to the pressure equipment directive (PED) 2014/68/EU, Module H, we were able to successfully meet this demanding challenge in a very short time.
Requirements and Challenges
The requirements presented several technical specifics:
An operation at temperatures between -101 °C and +100 °C requires the use of materials that maintain their strength and tightness under extreme thermal conditions.
The sight glasses had to permanently withstand a pressure of 25 bar without material fatigue or leaks occurring.
The customer requested a design that minimizes dead spaces to prevent the formation of residues or deposits in the process.
The solution had to be developed, manufactured, and made available for acceptance within just 8 weeks.
Development and Manufacturing
Our team has thoroughly dealt with the requirements and developed a solution that could be implemented optimally both technically and in terms of time.
For the housing components, high-quality materials with excellent pressure and cold resistance have been used. Stepped glasses made of borosilicate glass, manufactured according to DIN 7081, have been installed. These allow for an almost dead space-free construction, as they can be perfectly integrated into the housing. This minimizes dead spaces and ensures optimal process hygiene.
All components were produced in our manufacturing facility under strict quality standards. The assemblies were equipped with sealing systems that are optimized for the extended temperature and pressure range.
The construction was carried out in accordance with the requirements of the Pressure Equipment Directive 2014/68/EU, Module H, which defines the highest standards for pressure-bearing components. Extensive tests were conducted prior to delivery to ensure the tightness and load-bearing capacity of the sight glasses.
Successful Implementation
Within just 8 weeks, the project was completed from the design phase to the final acceptance by the customer. The combination of high-quality Borosilicate glass, a nearly dead space-free construction, and the optimized material properties fully meets the customer's requirements.
Conclusion
This project demonstrates how our company can meet even the most demanding customer requirements in the shortest possible time through expertise, certifications, and efficiency. The special tubular sight glasses with stepped glass made of Borosilicate glass are another example of our ability to develop innovative solutions for extreme operating conditions.
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