PTFE Lined Valves for Vacuum Service: Buyer Guide | Vcore

Quick Summary: PTFE lined valves for vacuum service must be selected by the complete valve design, minimum absolute pressure, temperature during vacuum exposure, chemical composition and operating cycle. Chemical resistance and a positive-pressure rating do not establish vacuum suitability. Before ordering, obtain model- and size-specific confirmation of lining support, sealing performance and the applicable vacuum–temperature […]

Diaphragm Valve Materials & Lining: Performance and Cost Impact

Quick Summary Choosing the right materials for diaphragm valves is critical for performance and cost-efficiency. The materials used for both the body lining and diaphragm have a significant effect on valve durability, resistance to chemicals, and long-term operating costs. This guide delves into the impact of different materials, such as PFA and EPDM, on diaphragm […]