Gauge Isolators

Gauge Isolators & Throttle Master Needle Valves

Marquest Scientific Tuff Guard Gauge Isolators

Marquest Scientific’s new line of gauge and instrument isolators are engineered to provide total protection and isolation of corrosive & ultra pure fluids while offering a design with the most rugged features in the industry. Stainless steel reinforcement of the instrument connection to prevent fracturing associated with metal to plastic threads. This stainless steel reinforcing component is integrally molded into the Upper Chamber to completely surround the full length of the female thread and is for all practical purposes “unbreakable”.