I believe that both the...">

Where did the name K valve or J valve come from?

+1 vote
asked Jul 9, 2017 in Scuba Diving by Cvet (3,369 points)
You see them on the older tanks but where did the name come from?

2 Answers

+1 vote
answered Jul 10, 2017 by George1224 (5,147 points)

I believe that both the J-valve and the K-valve where listed in the New
England Divers Catalogue
as U.S Divers valves and they had the letter J & K next to them as a
reference.  New England Divers
was the first and largest retail and mail order scuba place in the
world. When people were 
the valves they would refer to them as the J or K valve in the

–1 vote
answered Aug 5, 2017 by Sascharay (133 points)
They were named from the early days (1950's) of scuba.   Neither resemble a J or K on your reg attaching to the tank
commented Aug 6, 2017 by Cvet (3,369 points)
Not so came from the listing in the sears catalog.
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