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18270 (18-270) by Midland | Compression Fitting | 1/2" Tube OD x 3/4" Female NPTF | 90° Elbow | Brass

18270 (18-270) by Midland | Compression Fitting | 1/2" Tube OD x 3/4" Female NPTF | 90° Elbow | Brass

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Midland Industries
Brass Fitting - Compression Fitting - Female 90° Elbow - Compression x Female NPTF - Brass
Specifications for Variant SKU: 18270 Midland
Shape (Orientation): 90 Degree
Ends Configuration: 1/2in Tube Compression, 3/4in Female NPTF
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: SAE# 060203 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:
70 270C BSE3 170C
Part Number Compression x Female NPTF A B Body Size Approx. Weight
(Lbs.)
18251
(18-251) 		1/8" x 1/8" 0.69" 0.56" 0.56" 0.04
18252
(18-252)		 3/16" x 1/8" 0.69" 0.47" 0.56" 0.04
18252B* 3/16" x 1/8" 0.60" 0.60" 0.58" 0.07
18253
(18-253)		 1/4" x 1/8" 0.69" 0.47" 0.56" 0.06
18253B* 1/4" x 1/8" 0.69" 0.56" 0.56" 0.06
18254
(18-254)		 1/4" x 1/4" 0.75" 0.50" 0.72" 0.08
18254B* 1/4" x 1/4" 0.72" 0.85" 0.68" 0.13
18267
(18-267)		 1/4" x 3/8" 0.81" 0.58" 0.81" 0.08
18268
(18-268)		 1/4" x 1/2" 0.89" 0.66" 1.00" 0.10
18255
(18-255)		 5/16" x 1/8" 0.72" 0.84" 0.47" 0.08
18256
(18-256)		 5/16" x 1/4" 0.78" 0.50" 0.72" 0.09
18257
(18-257)		 3/8" x 1/8" 0.75" 0.84" 0.47" 0.10
18258
(18-258)		 3/8" x 1/4" 0.84" 0.59" 0.75" 0.10
18259
(18-259)		 3/8" x 3/8" 0.88" 0.58" 0.81" 0.12
18260
(18-260)		 3/8" x 1/2" 0.97" 0.66" 1.00" 0.14
18250
(18-250) 		3/8" x 3/4" 1.09" 0.72" 1.25" 0.18
18261
(18-261)		 1/2" x 1/4" 1.06" 0.70" 0.88" 0.18
18262
(18-262)		 1/2" x 3/8" 1.00" 0.70" 0.88" 0.16
18263
(18-263)		 1/2" x 1/2" 1.03" 0.72" 1.00" 0.20
18270
(18-270)		 1/2" x 3/4" 1.16" 0.72" 1.25" 0.23
18269
(18-269)		 5/8" x 3/8" 1.09" 0.77" 1.00" 0.20
18264
(18-264)		 5/8" x 1/2" 1.09" 0.77" 1.00" 0.22
18265
(18-265)		 5/8" x 3/4" 1.22" 0.77" 1.25" 0.24
18266
(18-266)		 3/4" x 1/2" 1.25" 1.25" 0.94" 0.28

* Barstock

Dimension data can change without notice.

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Midland Industries

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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