Upchurch PEEK Micro-Fittings

These fittings are designed for connecting fused silica or other capillary tubing, using Upchurch PEEK Microtight tubing sleeves. For the appropriate sized tubing sleeve, choose one that has an I.D. 0.002 - 0.003 inch greater than the O.D. of your tubing.
Two-piece fittings with ferrules
One-piece fittings
Micro Cross
Microtight Fittings Kit
MicroFingertight I Fitting
MicroTee
Microtight Union
Microtight Adapter
Tubing Sleeve

Microtight® Tubing Sleeves

Use these PEEK sleeves with all Microtight fittings, to connect capillary tubing. All are 0.025 in. O.D.; normally, choose an I.D. that is 0.002-0.003 in. larger than the O.D. of the capillary tubing. Color-coded.

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502561 Upchurch Microtight® Tubing Sleeves I.D. 0.007 in. (178 μm), yellow
51297-U Upchurch Microtight® Tubing Sleeves I.D. .011 in. (280 μm), blue, pkg of 10 ea
502618 Upchurch Microtight® Tubing Sleeves I.D. 0.013 in. (330 μm), orange
502626 Upchurch Microtight® Tubing Sleeves I.D. 0.015 in. (380 μm), green
502634 Upchurch Microtight® Tubing Sleeves I.D. 0.018 in. (460 μm), black
51298-U Upchurch Microtight® Tubing Sleeves I.D. .021 in. (535 μm), natural, pkg of 10 ea
51303-U Upchurch Microtight® Tubing Sleeves I.D. .006 in. (152 μm), purple, pkg of 10 ea

Microtight® Tubing Sleeve Kit

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502650 Upchurch Microtight® Tubing Sleeve Kit

MicroTight Unions and UHPLC MicroFingertight Unions

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51268-U MicroTight Unions PEEK, for use with 1/32" tubing
51271-U MicroTight Unions PEEK (.006" thru-hole), for use with (360 μm tubing)
51274-U Ultra-High Performance Micro Fingertight Unions for use with 1/32" Tubing, pkg of 1 ea
51277-U Ultra-High Performance Micro Fingertight Unions for use with 360 μm tubing, pkg of 1 ea
51279-U Ultra-High Performance Micro Fingertight Unions for use with 1/32" O.D. tubing, pkg of 1 ea
51281-U Ultra-High Performance Micro Fingertight Unions for use with 1/16" O.D. and 1/32" O.D. tubing, pkg of 1 ea

Upchurch PEEK Microtight® Connector

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502421 Upchurch PEEK Microtight® Connector Connects 1/16″ capillary tubing
502413 Upchurch PEEK Microtight® Connector Butt connects 2 pieces of capillary. True zero dead volume design, pkg of 2 ea

MicroTight Adapters

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51272-U MicroTight Adapters PEEK, for use with (1/16" to 1/32" tubing)
51273-U MicroTight Adapters PEEK, for use with (1/16" to 320 μm tubing), pkg of 1 ea

MicroCross

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502480 MicroCross for use with MicroTight sleeves, pkg of 1 ea
51288-U MicroCross for use with 1/32" O. D. tubing, pkg of 1 ea
51293-U MicroCross for use with 360 μm O.D. tubing, pkg of 1 ea
51294-U MicroCross for use with 1/16" O.D. tubing, pkg of 1 ea

MicroFingertight I Fitting

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502405 MicroFingertight I Fitting one-piece design

MicroTee

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502472 MicroTee for use with MicroTight Sleeves, pkg of 1 ea
51283-U MicroTee for use with 1/32" O.D. tubing, pkg of 1 ea
51285-U MicroTee for use with 360 μm O.D. tubing, pkg of 1 ea
51286-U MicroTee for use with 1/16" O.D. tubing, pkg of 1 ea

Microtight® Fittings Kit

Kit includes 2 Microtight unions, 2 Microtight adapters, and various Microtight tubing sleeves. The kit includes 10 each of 8 sizes of Microtight tubing sleeves, ranging in I.D. from 125 μm - 530 μm (color-coded). The appropriate sized tubing sleeve has an I.D. 0.002 in. to 0.003 in. greater than the O.D. of your tubing.

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502804 Upchurch Microtight® Fittings Kit

Upchurch PEEK Fingertight Fitting

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58745 Column End Plugs 1/4-28 male UNF
59031 Column End Plugs for 10-32 coned ports, red Delrin®, pkg of 10 ea
51342-U Column End Plugs for 10-32 coned ports, blue ETFE, pkg of 10 ea
502715 Frits for PEEK Inline MicroFilter
502707 PEEK Inline Microfilter
55067-U Upchurch PEEK Fingertight Fitting fitting 10-32 (one-piece), pkg of 10 ea
57654 Upchurch PEEK Fingertight Fitting nut and ferrule 10-32
57656 Upchurch PEEK Fingertight Fitting nut and ferrule 1/4-28
51395-U Upchurch PEEK Fingertight Fitting long 2 piece