Developed for use with UHPLC columns, high-pressure fittings consist of a stainless-steel nut and a special reusable ferrule. The ferrule is assembled from two components (stainless steel and PEEK) and adapts to various LC column endfittings, eliminating dead volume.
The fittings are available in both thumbnut and hex-nut types. The finger-tightened thumbnut can withstand up to 50 MPa, while the wrench-tightened hex-nut can withstand pressures as high as 140 MPa.
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