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Line etched into metal union
Posted: Mon Jul 31, 2023 10:10 am
by anastasia.edsell
What does it mean when a metal zero dead volume fitting has a line etched into one side of it around the outer rim? Does it mean its a dual internal diameter fitting?
Re: Line etched into metal union
Posted: Mon Jul 31, 2023 11:52 am
by Peter Apps
Could be, metric swageloks have a shoulder machined onto the hex flats. Your best source of information is the manufacturer of the connector.
Re: Line etched into metal union
Posted: Mon Jul 31, 2023 6:48 pm
by James_Ball
Also make sure the threads are not reversed on the connection. Sometimes a line cut into a nut or fitting indicates reversed threads.
Re: Line etched into metal union
Posted: Tue Aug 01, 2023 12:34 pm
by Consumer Products Guy
Could that designate a bored-through union??
Re: Line etched into metal union
Posted: Tue Aug 01, 2023 1:06 pm
by anastasia.edsell
I asked an Agilent technician (the manufacturer) this morning who stopped by and he said that means its a union that is suitable for bio-inert applications.
Thanks for the replies everyone!