Tubing sleeves and kits

When working with capillary tubing (such as fused silica or PEEKsil™), it is often a challenge to connect these thin lines leak-free to standard ports. Tubing sleeves provide the solution by artificially increasing the outer diameter of the capillary tubing so it fits perfectly into standard 10-32 or 6-32 coned fitting systems.

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1328 - MicroTight® PEEK Sleeve Kit

Tubing sleeves and kits

1356 - MicroTight® Connector Kit - PEEK

Tubing sleeves and kits

1250 - NanoTight™ Fittings/Tubing Sleeve Kit

Tubing sleeves and kits

MicroTight Nut Coned for MicroTight Sleeve Standard

Tubing sleeves and kits

MicroTight Sleeve

Tubing sleeves and kits

NanoTight Kit

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Tubing sleeves and kits

NanoTight Sleeve

Tubing sleeves and kits

F-125H - MicroTight® Nut 6-32 Coned, for MicroTight Sleeve Headless

Tubing sleeves and kits

F-244 - NanoTight™ Sleeve Natural 1/16" ID x .021" ID x 1.6"

Why choose sleeves?

Minimal dead volume: Sleeves centre the tubing exactly in the port, which is crucial to prevent peak broadening in nano- and micro-LC.
Flexibility: Because sleeves are not permanently attached to a ferrule, they adapt easily to different port depths.
Easy identification: The handy colour coding lets you recognise the inner diameter of the sleeve at a glance.

Sleeve OD	Type and Material	Fitting System and Port*	Capillary Tubing ODs	Pressure Limit**	Fitting Part No.
0.025"	MicroTight® (PEEK)	MicroTight®, 6-32 C	70–520 µm	4,000 psi (276 bar)	F-125
0.025"	MicroTight® (PEEK)	MicroTight®, 5/16-24 C	70–520 µm	4,000 psi (276 bar)	F-172, P-416
1/16"	NanoTight™ (FEP)	NanoTight™, 10-32 C	70 µm–1 mm	4,000 psi (276 bar)	F-333N
1/16"	NanoTight™ (FEP)	Super Flangeless™, 6-32 FB	70 µm–1 mm	750 psi (52 bar)	M-650, M-660
1/16"	NanoTight™ (FEP)	Super Flangeless™, 6-40 FB	70 µm–1 mm	750 psi (52 bar)	M-650, M-644-03
1/16"	NanoTight™ (FEP)	TinyTight™, 6-40 FB	70 µm–1 mm	600 psi (41 bar)	M-647, M-644-03
1/16"	NanoTight™ (FEP)	Alt. Lee MINSTAC®, 6-40 FB	70 µm–1 mm	600 psi (41 bar)	M-647, M-644-03
1/16"	PEEK	SealTight™ (WT), 10-32 C	175–770 µm	6,000 psi (414 bar)	F-193
1/16"	PEEK	Stainless Steel (WT), 10-32 C	175–770 µm	6,000 psi (414 bar)	U-400, U-401
1/16"	PEEK	Alt. Lee MINSTAC®, 6-40 FB	175–770 µm	1,500 psi (103 bar)	M-647, M-644-03
1/32"	FEP	MicroTight®, 6-32 C	20–380 µm	1,750 psi (121 bar)	F-126S
1/32"	FEP	Alt. Valco Nanovolume®, 6-40 C	20–380 µm	1,750 psi (121 bar)	M-645
1/32"	PEEK	MicroTight®, 6-32 C	70–495 µm	5,000 psi (345 bar)	F-126S
1/32"	PEEK	Alt. Valco Nanovolume®, 6-40 C	70–495 µm	3,250 psi (224 bar)	M-645

art No.	OD	ID	For Capillary Size	Colour	Material	Pressure Rating
F-180	0.025"	125 µm (0.005”)	70–110 µm	Red	PEEK	4,000 psi (276 bar)
F-181	0.025"	180 µm (0.007”)	125–165 µm	Yellow	PEEK	4,000 psi (276 bar)
F-182	0.025"	230 µm (0.009”)	175–215 µm	Natural	PEEK	4,000 psi (276 bar)
F-183	0.025"	280 µm (0.011”)	225–265 µm	Blue	PEEK	4,000 psi (276 bar)
F-184	0.025"	330 µm (0.013”)	275–315 µm	Orange	PEEK	4,000 psi (276 bar)
F-185	0.025"	395 µm (0.0155”)	340–380 µm	Green	PEEK	4,000 psi (276 bar)
F-186	0.025"	455 µm (0.018”)	400–440 µm	Black	PEEK	4,000 psi (276 bar)
F-187	0.025"	535 µm (0.021”)	480–520 µm	Natural	PEEK	4,000 psi (276 bar)
F-188	0.025"	152 µm (0.006”)	95–135 µm	Purple	PEEK	4,000 psi (276 bar)

Part No.	Description	Content
1328	MicroTight Tubing Sleeve Kit	Contains (6) each of the sleeve sizes listed above (F-180–F-188)
1356	MicroTight Connector Kit	Contains: a 10-pack of each MicroTight Tubing Sleeve (F-180–F-187); (2) P-770 MicroTight Adapters; and (2) MicroTight P-720 Unions

Part No.	OD	ID	For Capillary Size	Colour	Material	Pressure Rating
F-237	1/16"	125 µm (0.005”)	70–110 µm	Red	FEP	4,000 psi (276 bar)
F-238	1/16"	180 µm (0.007”)	125–165 µm	Yellow	FEP	4,000 psi (276 bar)
F-239	1/16"	215 µm (0.0085”)	160–200 µm	Natural	FEP	4,000 psi (276 bar)
F-240	1/16"	280 µm (0.011”)	225–265 µm	Blue	FEP	4,000 psi (276 bar)
F-241	1/16"	330 µm (0.013”)	275–315 µm	Orange	FEP	4,000 psi (276 bar)
F-242	1/16"	395 µm (0.0155”)	340–380 µm	Green	FEP	4,000 psi (276 bar)
F-243	1/16"	455 µm (0.018”)	400–440 µm	Black	FEP	4,000 psi (276 bar)
F-244	1/16"	535 µm (0.021”)	480–520 µm	Natural	FEP	4,000 psi (276 bar)
F-245	1/16"	610 µm (0.024”)	555–595 µm	Red	FEP	4,000 psi (276 bar)
F-246	1/16"	685 µm (0.027”)	630–670 µm	Yellow	FEP	4,000 psi (276 bar)
F-247	1/16"	840 µm (0.033”)	785–825 µm	Green	FEP	4,000 psi (276 bar)
F-252	1/16"	1.07 mm (0.042”)	1 mm	Purple	FEP	4,000 psi (276 bar)

Part No.	OD	ID	For Capillary Size	Colour	Material	Pressure Rating
F-225	1/16"	125 µm (0.005”)	70–110 µm	Red	PEEK	6,000 psi (414 bar)
F-226	1/16"	180 µm (0.007”)	125–165 µm	Yellow	PEEK	6,000 psi (414 bar)
F-227	1/16"	230 µm (0.009”)	175–215 µm	Yellow	PEEK	6,000 psi (414 bar)
F-228	1/16"	280 µm (0.011”)	225–265 µm	Blue	PEEK	6,000 psi (414 bar)
F-229	1/16"	330 µm (0.013”)	275–315 µm	Natural	PEEK	6,000 psi (414 bar)
F-230	1/16"	405 µm (0.016”)	340–380 µm	Orange	PEEK	6,000 psi (414 bar)
F-231	1/16"	560 µm (0.022”)	505–545 µm	Natural	PEEK	6,000 psi (414 bar)
F-232	1/16"	785 µm (0.031”)	730–770 µm	Natural	PEEK	6,000 psi (414 bar)
F-233	1/16"	865 µm (0.034”)	785–825 µm	Blue	PEEK	6,000 psi (414 bar)
F-234	1/16"	685 µm (0.027”)	630–670 µm	Yellow	PEEK	6,000 psi (414 bar)

Part No.	OD	ID	For Capillary Size	Colour	Material	Pressure Rating
F-374	1/32"	280 µm (0.011”)	225–265 µm	Blue	FEP	1,750 psi (121 bar)
F-375	1/32"	330 µm (0.013”)	275–315 µm	Green	FEP	1,750 psi (121 bar)
F-376	1/32"	395 μm (0.0155”)	340–380 µm	Orange	FEP	1,750 psi (121 bar)

Part No.	OD	ID	For Capillary Size	Colour	Material	Pressure Rating
F-381	1/32"	180 µm (0.007”)	125–165 µm	Yellow	PEEK	5,000 psi (345 bar)
F-382	1/32"	205 µm (0.008”)	150–190 µm	Natural	PEEK	5,000 psi (345 bar)
F-384	1/32"	255 µm (0.010”)	200–240 µm	Blue	PEEK	5,000 psi (345 bar)
F-385	1/32"	380 µm (0.015”)	325–365 µm	Natural	PEEK	5,000 psi (345 bar)
F-386	1/32"	510 µm (0.020”)	455–495 µm	Orange	PEEK	5,000 psi (345 bar)
F-387	1/32"	250 µm (0.011”)	225–265 µm	Red	PEEK	5,000 psi (345 bar)
F-388	1/32"	330 µm (0.013”)	275–315 µm	Black	PEEK	5,000 psi (345 bar)

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Tubing sleeves and kits

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