HPLC & UHPLC connectors

Designed for high pressure and low dead volume

Biotech Fluidics provides a comprehensive assortment of unions, tees, crosses, and manifolds, with 10-32 coned port designs, for 1/16” OD tubing. Manufactured from PEEK or stainless-steel, these connectors are ideal for HPLC and UHPLC system assemblies that demand resistance to high pressures. Being designed with low or zero internal dead volumes, these connectors help to preserve chromatography peak shapes during separations.

The product range includes:

  • PEEK unions
  • PEEK tees, crosses & manifolds
  • Stainless-steel unions
  • Stainless-steel tees & crosses

Port geometries

10-32 coned

PEEK unions

IDEX Nanotight PEEK union P-779

IDEX PEEK ZDV Unions P-704, P-742, P-760

Prod. No.*DescriptionThreadsIncludesThru-holeSwept VolumePressure Rating
P-704PEEK Union for 1/16” OD Tubing10-32 ConedF-300 (2)0.020” (0.50 mm)0.28 µL5,000 psi (345 bar)
P-742PEEK Union for 1/16” OD Tubing10-32 ConedF-300 (2)0.010” (0.25 mm)0.07 µL5,000 psi (345 bar)
P-760PEEK Union for 1/16” OD Tubing10-32 ConedF-300 (2)0.050” (1.25 mm)1.2 µL5,000 psi (345 bar)
P-779PEEK NanoTight Union for 1/16” OD Tubing and Tubing Sleeves10-32 ConedF-331N (2)0.005” (125 µm)8 nL5,000 psi (345 bar)

Stainless-steel unions

IDEX Stainless-Steel ZDV Unions U-402, U-435, U-438

IDEX Stainless-Steel ZDV Unions UH-402, U-411, U-322, U-412

Prod. No.*DescriptionThreadsIncludesThru-holeSwept VolumePressure Rating
U-402Stainless Steel Union for 1/16” OD Tubing10-32 ConedU-400 (2), U-401 (2)0.020” (0.50 mm)0.13 µL20,000 psi (1,380 bar)
U-411Stainless Steel Union for 1/16” OD Tubing10-32 ConedU-400 (2), U-401 (2)0.007” (178 µm)13 nL20,000 psi (1,380 bar)
U-435Stainless Steel Union for 1/16” OD Tubing10-32 ConedU-400 (2), U-401 (2)0.010” (0.25 mm)20 nL20,000 psi (1,380 bar)
U-438Stainless Steel Union for 1/16” OD Tubing10-32 ConedU-400 (2), U-401 (2), P-554 Gauge Plug0.067” (1.70 mm)Near 0 µL20,000 psi (1,380 bar)
UH-402VHP+ Stainless Steel Union for 1/16” OD Tubing10-32 ConedVHP-200 (2)0.010” (0.25 mm)20 nL30,000 psi (2,070 bar)
U-322VICI (Valco) compatible Stainless Steel Union for 1/16” OD Tubing10-32 ConedU-320 (2), U-321 (2)0.020” (0.50 mm)0.15 µL20,000 psi (1,380 bar)
U-412Waters compatible Stainless Steel Union for 1/16” OD Tubing10-32 ConedU-410 (2), U-401 (2)0.020” (0.50 mm)0.10 µL20,000 psi (1,380 bar)

PEEK tees, static mixing tees, crosses & manifolds

IDEX PEEK Static Mixing Tee U-466, U-466S

IDEX PEEK Tee & Cross P-727, P729

IDEX PEEK 7-Port Manifold P-170

Prod. No.*DescriptionThreadsIncludesThru-holeSwept VolumePressure Rating
U-466PEEK Static Mixing Tee for 1/16” OD Tubing, 10 µm UHMWPE frit10-32 ConedF-300 (3)0.020” (0.50 mm)2.2 µL5,000 psi (345 bar)
U-466SPEEK Static Mixing Tee for 1/16” OD Tubing, 10 µm SST frit10-32 ConedF-300 (3)0.020” (0.50 mm)2.2 µL5,000 psi (345 bar)
P-727PEEK Tee for 1/16” OD Tubing10-32 ConedF-300 (3)0.020” (0.50 mm)0.57 µL3,500 psi (241 bar)
P-728PEEK Tee for 1/16” OD Tubing10-32 ConedF-300 (3)0.050” (1.25 mm)3.0 µL3,500 psi (241 bar)
P-729PEEK Cross for 1/16” OD Tubing10-32 ConedF-300 (4)0.020” (0.50 mm)0.72 µL3,500 psi (241 bar)
P-170PEEK 7-Port Manifold for 1/16” OD Tubing10-32 ConedF-331 (7)0.020” (0.50 mm)2.2 µL5,000 psi (345 bar)

Stainless-steel tees & crosses

IDEX Stainless-Steel Tees & Crosses UH-427, U-428, U-430

Prod. No.*DescriptionThreadsIncludesThru-holeSwept VolumePressure Rating
UH-427VHP Stainless Steel Tee for 1/16” OD Tubing10-32 ConedVHP-200 (3)0.020” (0.50 mm)0.57 µL30,000 psi (2,070 bar)
U-428Stainless Steel Tee for 1/16” OD Tubing10-32 ConedU-400 (3), U-401 (3)0.020” (0.50 mm)0.57 µL20,000 psi (1,380 bar)
U-429Stainless Steel Tess for 1/16” OD Tubing10-32 ConedU-400 (3), U-401 (3)0.040” (1.00 mm)2.1 µL20,000 psi (1,380 bar)
U-430Stainless Steel Cross for 1/16” OD Tubing10-32 ConedU-400 (4), U-401 (4)0.020” (0.50 mm)0.72 µL20,000 psi (1,380 bar)
U-431Stainless Steel Cross for 1/16” OD Tubing10-32 ConedU-400 (4), U-401 (4)0.040” (1.00 mm)2.5 µL20,000 psi (1,380 bar)

Resources

Consult the Periodic Table of Analytical Fittings for a quick overview, the Fittings 101 for guidance and learning, and the IDEX Catalogue for product details, or contact Biotech Fluidics for expert advice.

Periodic table of
analytical fittings

Fittings 101
guide booklet

Complete IDEX
catalogue

Any questions?

If you have any inquiries about our products and services, we’re here to help.

Phone: +46 300 56 91 80
Email: info@biotechfluidics.com