18321 (18-321) by Midland | Compression Fitting | Female Forged | 1/4" Tube OD x 1/8" Female NPTF | Tee | Brass

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Midland Industries
Brass Fitting - Compression Fitting - Female Branch Forged Tee - Compression x Compression x Female NPTF - Brass

Inventory @ Manufacturers Warehouse: 225 Units

Quantity

Specifications for Variant SKU: 18321 Midland
Shape (Orientation):	Tee
Ends Configuration:	1/4in Tube Compression, 1/4in Tube Compression, 1/8in Female NPTF, Some Ends Match
Material(s):	Brass
Applicable Specs & Approvals:	ASA, ASME, SAE

Applications:	Use with copper, aluminum and thermoplastic tubing. Not recommended for steel tubing. Manufactured for low and medium pressure tubing connection work where excessive vibration or tube movement is not involved. Not recommended for application using gaseous media.	Used With:	Aluminum, copper, brass and plastic tubing. Plastic tubing requires insert. Not recommended for steel tubing.
SAE Rating:	N/A	Conformance:	Meets specifications and standards of ASA, ASME and SAE.
Vibration:	Fair resistance - use long nut when greater vibration resistance is needed.	Temperature Range:	-65°F to +250°F (-53°C to +121°C) range at maximum operating pressures. (Refer to tubing temperature range.)
Lead Free:	These are NOT Lead Free	Tolerance:	+/- .02 on all dimensions.

Assembly Instructions:

1) Cut tubing to desired length.
2) Slide nut and then sleeve on tube. Threaded end "A" of nut must face toward fitting.
3) Insert tubing into fitting body. Be sure tubing is bottomed on fitting shoulder.
4) Lubricate threads and assemble nut to fitting body.
5) Tighten nut hand tight. From that point, tighten with a wrench the number of turns indicated below.

Tube Size: 1/8" thru 1/4" | Additional Turns from Hand Tight: 1-1/4"
Tube Size: 5/16" | Additional Turns from Hand Tight: 1-3/4"
Tube Size: 3/8" thru 1" | Additional Turns from Hand Tight: 2-1/4"


Tube OD	1/8"	3/16"	1/4"	5/16"	3/8"	7/16"	1/2"	5/8"	3/4"	7/8"
Thread Size - B	5/16-24	3/8-24	7/16-24	1/2-24	9/16-24	5/8-24	11/16-20	13/16-18	1-18	1-1/8-18
Working Pressure	400 PSI	400 PSI	300 PSI	300 PSI	200 PSI	200 PSI	200 PSI	150 PSI	100 PSI	75 PSI

Working Pressures at 73°F.

Crossover Series:
78	BST4	77	177C	2908


Part Number	Compression (1 & 2) x Female NPTF (3)	A	B	Body Size	Approx. Weight (Lbs.)
18321 (18-321)	1/4" x 1/8"	0.78"	0.75"	0.45"	0.10
18328 (18-328)	1/4" x 1/4"	0.78"	0.75"	0.44"	0.12
18325 (18-325)	3/8" x 1/8"	0.75"	0.63"	0.50"	0.12
18323 (18-323)	3/8" x 3/8"	0.97"	0.69"	1.05"	0.16
18326 (18-326)	1/2" x 1/8"	0.94"	0.75"	0.59"	0.20
18324 (18-324)	1/2" x 3/8"	1.00"	0.72"	0.88"	0.22
18327 (18-327)	5/8" x 1/8"	1.06"	0.81"	0.69"	0.26

Dimension data can change without notice.

Midland Industries

Midland Industries is a family of brands recognizable industry wide. Midland is a supplier of brass fittings, valves, and accessories for hose, pipe and tube in brass, bronze, stainless steel, steel, malleable iron, and plastics.

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