Author Archives: Jack Siedler

About Jack Siedler

Jack Siedler has spent 45 years in the valve industry, including his current 14-year stint with Assured Automation. During his career, Mr. Siedler has worked with bar stock globe control valves (with customized trim), rising-stem three-piece, three-way globe valves , spring and diaphragm actuated diaphragm control valves, quarter turn manual, actuated and control valves, soft seated and metal seated, metal bodied, plastic and plastic lined valves. His experience includes sizing valves for chemical and pharmaceutical applications and providing technical input for valve applications in the nuclear and fossil power industries. Mr. Siedler has also worked with NAVSEA and other entities, on valve applications for the US military. Mr. Siedler can be reached at

3 Types of Emergency Shutdown and Emergency Isolation Valves

The two most common methods used to trigger a thermal shutoff, eliciting a failure position in pneumatically operated Emergency Shut Down and Emergency Isolation Valves are: (1) Fusible Plugs, and (2) Plastic Tubing. Both of these techniques have been used … Continue reading

Posted in Biofuel Industry, Emergency and Fire Safety Valves and Devices, Flavor/Fragrance, Food/Beverage, Latest News, Pharmaceutical, Plastics | Tagged , , | 3 Comments