Popular application areas:
VICI Fittings, Valco Fittings, GC, HPLC, Valve, Fitting, Fittings, Gas Analyzers
Unions -Standard
Product Features ：
VICI / Valco Compression fitting
When the Nut is locked, the Ferrule is pressed on the Tubing ( pipe ), providing a reliable guarantee for the connection of metal tubing under high pressure conditions.
Unions - Standard
Internal Unions – Stainless steel (Standard)
Tubing OD | Bore | Product No. | |
1/32" | 0.15mm | ZU.5XC | |
0.25mm | ZU.5 | ||
0.50mm | ZU.5L | ||
1/32" | ZU.5T | ||
1/16" | 0.15mm | ZU1XC | |
0.25mm | ZU1C | ||
0.50mm | ZU1M | ||
0.75mm | ZU1 | ||
1.0mm | ZU1L | ||
1/16" | ZU1T | ||
1/8" | 0.75mm | ZU2 | |
2.0mm | ZU2L | ||
1/8” | ZU2T | ||
1/4" | 0.75mm | ZU4 | |
4.6mm | ZU4L | ||
1/4” | ZU4T |
External Unions – Stainless steel (Standard)
Tubing OD | Bore | Product No. | |
1/8" | 1.0mm | EU2 | |
2.0mm | EU2L | ||
1/8" | EU2T | ||
1/4" | 2.0mm | EU4 | |
4.6mm | EU4L | ||
1/4" | EU4T | ||
Remark | Since the 1/16" outer union is very thin and there is no strong 1/16" inner union, using the connecting wall is prone to deformation. Therefore, when connecting the male nut, we recommend using the "external to internal union". | ||
External Unions – 1/32" ultra low mass 1/32"
Fitting size | Bore | Product No. | |
1/32” | 0.25mm | EU.5 | |
0.50mm | EU.5L | ||
1/32” | EU.5T | ||
Remark | The 1/32" subminiature external union is specially designed for use with GC capillary columns. And it can be locked without using a wrench. | ||
External / Internal Unions- Stainless steel (Standard)
Tubing OD | Bore | Product No. | |
1/32" | 0.25mm | EZU.5 | |
0.50mm | EZU.5L | ||
1/16" | 0.25mm | EZU1C | |
0.50mm | EZU1M | ||
0.75mm | EZU1 | ||
1/16" | EZU1T | ||
1/8” | 1.0mm | EZU2 | |
2.0mm | EZU2L | ||
1/8” | EZU2T | ||
Remark | Since the 1/16" outer union is very thin and there is no durable 1/16" inner union, using the connecting wall is susceptible to deformation. Therefore, when connecting male nuts, we recommend using the "external to internal union". | ||
Standard fittings are stainless steel, special alloys/special surface treatments ( SilcoNert / Sulfinert ) are also available for corrosive or reactive samples such as：HCL, CL2, NH3, sulfide.