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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.

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 A7205
Bushing, long sst wrench tight
5/16" Hex
300 Ferrule A7213 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
Clamp ring sst A7214
Clamp   ring   Titan A7215
Biconical seal ring   PETP 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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