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Fluidic Transfer Products
UHPLC Tubing & Assemblies HPLC Tubing HPLC Fittings HPLC Unions, Tees & Crosses Low Pressure Fittings and Valves
UHPLC Filters and Frits HPLC Metric Fittings and Adapters HPLC Micro Fittings and Filters HPLC Fittings Kits Chromatography Tools


Micro-Fittings          Jump to:  Fluidic Filters  •  Tees & Crosses  •  Tubing & Sleeves   

Our one piece micro fittings work with our micro unions, adapters and inline microfilters. With thru-holes specifically for 360µm and 1/32”OD tubing and our .025”OD tubing sleeves, these fittings make superior finger tight connections with your capillary tubing. Our fittings family also includes a female nut matched with a dedicated ferrule for direct connecting specific tubing OD’s.


Standard Male Nuts Standard Male Nuts

Cat. No. Description UOM
55124SX Blue PEEK™ Std. Head Fitting for 360μm OD Tubing, 6-32 10
55125X Std. Head Fitting 6-32, PEEK™, for use with micro sleeves 10
55126SX Std. Head Fitting for 1/32" OD Tubing, no sleeves required 10
55200 10-32 Red Derlin® Winged Nut with PEEK Ferrule 1


Standard Female Nuts Standard Female Nuts

Cat. No. Description UOM
59416 Female Nut, 5/16-24 Internal Threads, PEEK™ 1
59416BLK Female Nut, 5/16-24 Internal Threads, Black PEEK™ 1
59416G Female Nut, 5/16-24 Internal Threads, Green PEEK™ 1


Micro Ferrules Micro Ferrules

Cat. No. Description UOM
55112 PEEK™ MicroFerrule for 1/32" OD Tubing 1
55132 PEEK™ MicroFerrule for 1/16" OD Tubing 1
55152 PEEK™ MicroFerrule for 360µm OD Tubing 1
55172 PEEK™ MicroFerrule for .025" OD Tubing, Black 1
55142 PEEK™ MicroFerrule for 1/16" OD Tubing, No Sleeves Required 1
55142NX Tefzel® Ferrule for 1/16" OD Tubing, No Sleeves Required 10
55148 Kel-F® Ferrule for 190µm OD Tubing, No Sleeves Required 1
55151 Kel-F® Ferrule for 360µm OD Tubing, No Sleeves Required 1
57215 Conductive Perfluoroelastomer Ferrule, No Sleeves Required (for electrospray applications) 1
55113X PEEK™ Ferrule for 1/32” OD Tubing 10


Peek™ Unions for Capillaery Tubing Peek™ Unions for Capillaery Tubing
• Tubing connections can be made with or without tubing sleeves
• Direct connection of 360µm OD capillary fused silica tubing

Unions, True Zero Dead Volume
Cat. No. Description UOM
59720 PEEK™ Union 6-32 to 6/32, for use with Microtight Sleeves
Includes: (2) 55125 Fittings and (1) 59553 Gauge Plug
1
59771 PEEK™ Union 6-32 to 6/32
Includes: (2) 55126S Fittings and (1) 59553 Gauge Plug (no sleeves required)
1
59772 PEEK™ Union 360µm OD to 360 µm OD
Includes: (2) 55152 Micro Ferrules and (2) 59416 Female Nuts (no sleeves required)
1
Replacement Components for 59720, 59771 and 59772
59553 Gauge Plug, Delrin®, 6-32 1
59554 Gauge Plug, Delrin®, 10-32 1
66514-1 10-32 PEEK™ Fitting (Natural) 5
55125 PEEK™ Standard Head Fitting for MicroSleeves, 6-32 1
55126SX PEEK™ Standard Head Fitting for 1/32" OD Tubing, 6-32, (Red) 10
59416 PEEK™ Female Nut, 5/16-24 Internal Threads 1
55152 PEEK™ MicroFerrule for 360µm OD Tubing 1


Micro Column Connection Kit Micro Column Connection Kit
Kit Includes:
One-Piece Fittings, Tubing Sleeves, Fused Silica Capillary Tubing

Cat. No. Description UOM
ADV-MFKIT Micro Column Connection Kit 1



Micro-Fluidic Filters

Mini Microfilter Assemblies
  • Total volume as low as 10nL
  • Filter at nanoliter flow rates using 1 and 2µm porosity filter capsules
  • Direct connect micro filters: Pressure rated to 5,000psi
  • Micro filters using tubing sleeves: Pressure rated to 4,000psi


For Direct Connect use of 1/32" OD Tubing
Cat. No. Description
13-1122 2μm Assembly, SST Screen, Void Volume 97nL, Includes:
(5) 2μm 57132 Filter Capsules, (2) 55112, (2) 59416 Fittings
13-1123 1μm Assembly, SST Screen, Void Volume 97nL, Includes:
(5) 1μm 57131 Filter Capsules, (2) 55112, (2) 59416 Fittings
13-1127 1μm Assembly, SST Screen, Void Volume 22nL, Includes:
(5) 1μm 57133 Nano Filter Capsules, (2) 55112, and
(2) 59416 Fittings
13-1128 1μm Assembly, Titanium Frit, Void Volume 22nL, Includes:
(5) 1μm 57134 NanoFilter Capsules, (2) 55112, (2) 59416 Fittings



Mini Microfilter Replacement Parts
Cat. No. Description
57121 1µm, PEEK™ Capsule w/ SS Filter Screen for 13-1120
57126 1µm, PEEK™ Capsule w/ Ti Frit for 57537 & 13-1138
57131 1µm Mini Microfilter Capsule, PEEK with SS Filter Screen for use with 13-1123
57133 1µm Mini Microfilter Capsule, PEEK with SS Frit,
for use with 13-1127 & 13-1128
57134 1µm Mini Microfilter Capsule, PEEK with Titanium Frit, for use with 13-1127 & 13-1128
55112 Natural PEEKTM MicroFerrule for 1/32” OD Tubing
55172 Black PEEKTM MicroFerrule for 0.025” OD Tubing
59416 Natural PEEKTM Female Nut, 5/16-24 Internal Threads
Pre-Column MicroFilter Assemblies
  • Available for 1/16" OD tubing or 70-520μm OD capillary tubing
  • Directly connects to HPLC column
  • Pressure rated to 4,000psi (276 bar)
  • Total void volume as low as 0.5μL
  • Choose from 0.5μm stainless steel or PEEK™ frits
Micro Static Mixing Tee

For Use with Tubing Sleeves for Capillary Tubing
Cat. No. Description
57500 0.5μm Assembly, SS Frit for Capillary Tubing, Includes:
(5) 0.5μm 52425 Frits, (1) 55172 and (1) 59416 Fitting
57510 0.5μm Assembly, PEEK™ Frit for Capillary Tubing, Includes: (5) 0.5μm 49735 Frits, (1) 55172 and (1) 59416 Fitting

For use with 1/6" OD Tubing
Cat. No. Description
57550 0.5μm Assembly, SS Frit for 1/16" OD Tubing, Includes:
(5) 0.5μm 52425 Frits, (1) 55132 and (1) 59416 Fitting
57560 0.5μm Assembly, PEEK™ Frit for 1/16" OD Tubing, Includes: (5) 0.5μm 49735 Frits, (1) 55132 and (1) 59416 Fitting



Pre-Column MicroFilter
Replacement Parts
Cat. No. Description
52420X SS Frits 2.0μm 0.038” x 0.028” x 0.192”
52425X SS Frits 0.5μm 0.038” x 0.028” x 0.192”
55172 Black PEEK™ MicroFerrule for 0.025” OD Tubing
59416 PEEK™Female Nut, 5/16-24 Internal Threads


For pricing or to order online,
Click Here




Micro-Tees & Crosses

MicroTees and MicroCrosses
Easily join capillary tubing
  • Made entirely of PEEK™
  • .006" (150µm) thru-holes
  • Connect via our tubing sleeves or Direct connections for
    360 µm and 1/32" OD tubing
  • Convenient predrilled .13" (3.3mm) mounting hole
Micro-tees and Crosses
Cat. No. Description
59775 MicroTee for 0.025” OD Tubing (sleeves), 0.006” (150μm) ID, Void Volume 29nL, Includes (3) 55172 and (3) 59416 Fittings
59875 MicroTee with Mounting Hole for 0.025” OD Tubing (sleeves), 0.006” (150μm) ID, Void Volume 29nL, Includes (3) 55172 and (3) 59416 Fittings
59777 MicroCross for 0.025” OD Tubing (sleeves), 0.006” (150μm) ID, Void Volume 29nL, Includes (3) 55172 and (3) 59416 Fittings
59885 MicroTee for 1/32” OD Tubing, 0.006” (150μm) ID, Void Volume 29nL, Includes (3) 55112 and (3) 59416 Fittings
59887 MicroCross for 1/32” OD Tubing, 0.006” (150μm) ID, Void Volume 38nL, Includes (4) 55112 and (4) 59416 Fittings
59888 MicroTee for 360μm OD Tubing, 0.006” (150μm) ID, Void Volume 29nL, Includes (3) 55152 and (3) 59416BLK Fittings
59889 MicroCross for 360μm OD Tubing, 0.006” (150μm) ID, Void Volume 38nL, Includes (4) 55152 and (4) 59416BLK Fittings
59890 MicroTee for 1/16” OD Tubing, 0.006” (0.150μm) ID, Void Volume 58nL, Includes (3) 55132 Micro Ferrules, (3) 59416 Female Nut
59416 PEEK™ Female Nut, 5/16-24 Internal Threads
55152 PEEK™ MicroFerrule for 360μm OD Tubing
55112 PEEK™ MicroFerrule for 1/32” OD Tubing
55172 Black PEEK™ MicroFerrule for 0.025” OD Tubing
Micro Static Mixing Tee
Designed for flow rates of 20-250µL/minute and has a low swept volume of only .95µ (frit volume)
  • Pressure Rating: 5,000psi (345 bar)
  • 0.5 µm PEEK™ frit assists mixing
  • PEEK and Kel-F® (PCTFE) construction Chemically resistant & biocompatible
  • Connect capillary tubing using our sleeves (sleeves are not required for 1/16" OD tubing)
Micro Static Mixing Tee

Cat. No. Description
57540 For 1/16” OD Tubing .010” (0.25mm), 0.95μL ID Void Volume, Inc. (3) 55132 & (3) 59416 Fittings
57540A 57540 without Frit, 9.5μL Void Volume
59416 PEEKTM Female Nut, 5/16-24 Internal Threads


For pricing or to order online,
Click Here




PEEKsil™ Tubing
• Fused silica tubing covered in PEEK&trade tubing
• Do not cut this tubing
• Use metal or PEEK fittings
• Great alternative to PEEK tubing


PEEKsil Tubing

  Pressure Rating
  50 micron (0.002”) ID < 25,000 psi
  100 micron (0.004”) ID 15,000 psi
  175 micron (0.007”) ID 8,500 psi
  200 micron (0.008”) ID 6,000 psi


1/32" OD Tubing
Cat. No. Capacity Color Length
UOM
325050 25µm (0.001") ID Orange 50mm
2
325100 25µm (0.001") ID Orange 100mm
2
325150 25µm (0.001") ID Orange 150mm
2
325250 25µm (0.001") ID Orange 200mm
2
325500 25µm (0.001") ID Orange 500mm
2
350050 50µm (0.002") ID Natural 50mm
2
350100 50µm (0.002") ID Natural 100mm
2
350150 50µm (0.002") ID Natural 150mm
2
350250 50µm (0.002") ID Natural 200mm
2
350500 50µm (0.002") ID Natural 500mm
2
375050 75µm (0.003") ID Black 50mm
2
375100 75µm (0.003") ID Black 100mm
2
375150 75µm (0.003") ID Black 150mm
2
375250 75µm (0.003") ID Black 200mm
2
375500 75µm (0.003") ID Black 500mm
2
3100050 100µm (0.004") ID Red 50mm
2
3100100 100µm (0.004") ID Red 100mm
2
3100150 100µm (0.004") ID Red 150mm
2
3100250 100µm (0.004") ID Red 200mm
2
3100500 100µm (0.004") ID Red 500mm
2
3150050 150µm (0.006") ID Purple 50mm
2
3150100 150µm (0.006") ID Purple 100mm
2
3150150 150µm (0.006") ID Purple 150mm
2
3150250 150µm (0.006") ID Purple 200mm
2
3150500 150µm (0.006") ID Purple 500mm
2


1/16" OD Tubing
Cat. No. Capacity Color Length
UOM
625050 25µm (0.001") ID Orange 50mm
5
625100 25µm (0.001") ID Orange 100mm
5
625150 25µm (0.001") ID Orange 150mm
5
625200 25µm (0.001") ID Orange 200mm
5
625500 25µm (0.001") ID Orange 500mm
2
650050 50µm (0.002") ID Natural 50mm
5
650100 50µm (0.002") ID Natural 100mm
5
650150 50µm (0.002") ID Natural 150mm
5
650200 50µm (0.002") ID Natural 200mm
5
650500 50µm (0.002") ID Natural 500mm
2
675050 75µm (0.003") ID Black 50mm
5
675100 75µm (0.003") ID Black 100mm
5
675150 75µm (0.003") ID Black 150mm
5
675200 75µm (0.003") ID Black 200mm
5
675500 75µm (0.003") ID Black 500mm
2
6100050 100µm (0.004") ID Red 50mm
5
6100100 100µm (0.004") ID Red 100mm
5
6100150 100µm (0.004") ID Red 150mm
5
6100200 100µm (0.004") ID Red 200mm
5
6100350 100µm (0.004") ID Red 500mm
5
6100400 100µm (0.004") ID Red 500mm
1
6100500 100µm (0.004") ID Red 500mm
2
6150050 150µm (0.006") ID Purple 50mm
5
6150100 150µm (0.006") ID Purple 100mm
5
6150150 150µm (0.006") ID Purple 150mm
5
6150200 150µm (0.006") ID Purple 200mm
5
6150500 150µm (0.006") ID Purple 500mm
2
6175050 175µm (0.007") ID Yellow 50mm
5
6175100 175µm (0.007") ID Yellow 100mm
5
6175150 175µm (0.007") ID Yellow 150mm
5
6175200 175µm (0.007") ID Yellow 200mm
5
6175500 175µm (0.007") ID Yellow 500mm
2
6200050 200µm (0.008") ID Blue 50mm
5
6200100 200µm (0.008") ID Blue 100mm
5
6200150 200µm (0.008") ID Blue 150mm
5
6200200 200µm (0.008") ID Blue 200mm
5
6200500 200µm (0.008") ID Blue 500mm
2
6300050 300µm (0.010") ID Gray 50mm
5
6300100 300µm (0.010") ID Gray 100mm
5
6300150 300µm (0.010") ID Gray 150mm
5
6300200 300µm (0.010") ID Gray 200mm
5
6300500 300µm (0.010") ID Gray 500mm
2

For pricing or to order online, Click Here



Capillary PEEK™ Tubing

1/32" OD x 5'
Cat. No. Description Max. Press.
Color
1056-5 0.005" ID 5,000psi
Red
1057-5 0.007" ID 5,000psi
Yellow
1058-5 0.010" ID 5,000psi
Blue
360µm OD x 5'
Cat. No. Description Max. Press.
Color
1050 0.002" ID 2,000psi
Natural
1070 0.004" ID 2,000psi
Red
1080 0.006" ID 2,000psi
Yellow
Micro Tubing Sleeves
for connecting capillary tubing
• Tubing sleeves, silica seal

FEP Tubing Sleeves 1/16" OD, 10/Pkg
Cat. No. Description
Color
36395 395μm (0.015") ID, for 340-380μm OD Tubing
Green

PEEK™ Tubing Sleeves, 0.025" OD, 10/Pkg
Cat. No. Description
Color
55182X 230μm (0.009") ID, for 175-215μm OD Tubing
Natural
55185 395μm (0.0155") ID, for 340-380μmOD Tubing
Green

Also available for 1/32” OD tubing - call for parts


tubing cutters


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