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Overview of 1/8" fittings for V 4.1 valves

The ports of V 4.1 valves for 1/8" capillaries are coned with a UNF 1/4-28 thread. Approbiate fittings are provided with each valve.
The tables below give an overview on the available fittings.

You can also download a PDF version of the overview.

Bushings for 1/8" UNF 1/4-28 coned

Description Image Material Installation type max. backpressure
[bar]
Required sealing Article number
Bushing, short SSt wrench tight
     5/16" Hex
300 Ferrule A7213 or A7225 A7205
Bushing, long SSt wrench tight
5/16" Hex
300 Ferrule A7213 or A7225 A7206
Bushing, long SSt wrench tight
     5/16" Hex
300 Biconical seal ring A7216 or Clamp ring A7214 + Seal ring A7217 A7207
Blind fitting SSt wrench tight
5/16" Hex
300 none A7208
Bushing with integrated sealing ring (one-piece) PEEK fingertight 50 none A7209
Bushing PEEK fingertight 100 Biconical seal ring A7216 or Clamp ring A7214 + Seal ring A7217 A7210
Bushing with integrated sealing ring (one-piece) PCTFE fingertight 69 none A7211
Blind fitting PEEK wrench tight
5/16" Hex
100 none A7212


Ferrules, seal rings and clamp rings for 1/8" UNF 1/4-28 coned

Description Image Material Article number
Ferrule SSt A7213
Ferrule Titan A7225
Clamp ring SSt A7214
Clamp   ring Titan A7215
Biconical seal ring   PTFE A7216
Seal ring PEEK A7217


Adapters and couplings for 1/8" UNF 1/4-28 coned

Description Image Material Connection 1 Connection 2 Article number
Coupling for 1/8" <-> 1/8" capillary
SSt internal thread
1/8" UNF 1/4-28 coned
internal thread
1/8" UNF 1/4-28 coned
A7218
Coupling for 1/8" <-> 1/8" capillary Titan internal thread
1/8" UNF 1/4-28 coned
internal thread
1/8" UNF 1/4-28 coned
A7219
Coupling for 1/8" <-> 1/8" capillary PEEK internal thread
1/8" UNF 1/4-28 coned
internal thread
1/8" UNF 1/4-28 coned
A7220
Coupling for 1/16" <-> 1/8" capillary SSt internal thread
1/16" UNF 10-32 coned
internal thread
1/8" UNF 1/4-28 coned
A7221
Coupling for 1/16" <-> 1/8" capillary Titan internal thread
1/16" UNF 10-32 coned
internal thread
1/8" UNF 1/4-28 coned
A7222
Coupling for 1/16" <-> 1/8" capillary PEEK internal thread
1/16" UNF 10-32 coned
internal thread
1/8" UNF 1/4-28 coned
A7223
Adapter 1/8" to 1/16" SSt internal thread
1/16" UNF 10-32 coned
external thread
1/8" UNF 1/4-28 coned
A7204
Adapter 1/8" to 1/16"   PEEK internal thread
1/16" UNF 10-32 coned
external thread
1/8" UNF 1/4-28 coned
A7224

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