MKS Instruments (HPS)
Surplus Bypass Vacuum Valves
• Two (2) Stage
• Bypass Valve Allows for Soft Start
HPS® Two-Stage valves are isolation valves that allow for slow pumping of a vacuum system. The bypass valve creates a small opening for the initial pump down, slowing system evacuation. This reduces contamination induced by particle turbulence and damage due to sudden pressure changes.
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There is a global helium shortage. Each time an MRI is performed, helium is used. Please rethink your helium balloon purchase.