valco fittings
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35
External to Internal Adapters
External to internal adapter
(EZA2)
1/8" external Fitting
(injector / detector)
eza2
body
existing
1/8" ferrule
existing
1/8" nut
existing
1/8" tubing
External to internal reducer
(EZR21)
1/16"
nut
1/16"
ferrule
liner
1/16"
tubing
1/8"
ferrule
1/8" external Fitting
(injector / detector)
External to internal adapters (injector/detector adapters)
EZAs (external adapters) and EZRs (external reducers) adapt an external tee or
union or the external type fittings common on injectors and detectors to Valco
zero dead volume connections. Since EZAs are commonly used to connect an
external fitting to an existing tube already made up with a Valco internal fitting,
a nut and ferrule are not included.
Only one wrench is required to change tubes after the fitting is made up.
While an external to internal union or reducing union plus a length of tubing
can accomplish the same thing, these adapters do the trick with a single fitting.
Standard material is 300 series stainless. The EZA does not include a nut or
ferrule. The EZR includes a liner, one nut, and two ferrules.
Patent No. 4,173,363
Description
Bore
Prod No
Price
External to internal adapters
1/16" ext. to 1/16" int.
–
–
EZA1
1/8" ext. to 1/8" int.
–
–
EZA2
External reducers
1/16" ext. to 1/32" int.
0.25 mm EZR1.5
1/32"
EZR1.5T
1/8" ext. to 1/32" int.
0.25 mm EZR2.5
1/8" ext. to 1/16" int.
0.50 mm EZR21
1/16"
EZR21T
1/4" ext. to 1/16" int.
1.00 mm EZR41
1/16"
EZR41T
1/4" ext. to 1/8" int.
1.00 mm EZR42
1/8"
EZR42T
MORE INFORMATION
Ferrules . . . . . page 12
Nuts . . . . . . . . . 10
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