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Brass Couplings Index

Copper Tubing Air Brake Compression Fittings

Brass Couplings Sealcon, Inc

  Model Series Description
  260 Air Brake Sleeve
  261 Air Brake Nut
  262L Air Brake Bulkhead Union
  262 Air Brake Union
  266 Air Brake Female Connector
  268 Air Brake Male Connector
  278 Air Brake 45º Male Elbow
  269 Air Brake Male Elbow
  TU6 Airbrake Copper Tubing
  270 Air Brake Female Elbow
  265 Air Brake Elbow
  264 Air Brake Tee
  271 Air Brake Male Run Tee - Tube To Male Pipe To Tube
  272 Air Brake Branch Tee - Tube To Tube To Male Pipe
  272S Air Brake Female Branch Tee
  276 Air Brake Tee - Female Pipe To Male Pipe To Tube

Air Brake Truck Valves

  18K Air Brake Drain Cock Tee Handle
  229K Truck Shut-Off Valve - Brass Body Wheel Handle
  21 Truck Valve Oil Tank Valve - Female Pipe Thread X Male Pipe Thread Brass
  18 Oil Tank Valve

Transmission "Suregrip" Brass Fittings 1/8 & 5/32 Sizes
(For Use With Nylon Air Brake Tubing, SAEJ844)

  660 Suregrip Sleeve
  661 Suregrip Nut
  662 Suregrip Union
  668 Suregrip Male Connector
  669 Suregrip Male Elbow
Assembly Information

Compression Tube Fittings
(Do NOT flare tubing)

To Install:

  1. Slip Tubing through Nut and Sleeve
  2. Insert Tubing into Fitting Up To Shoulder
  3. Tighten Nut - This Action Spins the Sleeve A Component of the Tubing

SAE Flared Tube Fittings

To Install:

  1. Slide Flare Nut on Tubing
  2. Flare Tubing
  3. Screw Flare Nut on Tubing This Seals the Flared End Of Tubing Between the Nut and the Fitting


To Install:

  1. Cut Tubing to Desired Length
  2. Slide Nut & Sleeve on Tubing
  3. Insert Tubing into Fitting and Make Sure It Bottoms On Shoulder
  4. Wrench Tighten Nut.


To Install:

  1. Slide Nut on to Hose.
  2. Slide Sleeve on to Hose with Tapered Edge toward Fitting Body.
  3. Bottom Hose into Fitting.
  4. Tighten Nut Until It Contacts Body Hex.
  5. If Reassembling, Do Not Reuse Sleeve.
TUBE SIZE 3/16 1/4 3/8 1/2 5/8 3/4
THREAD SIZE 5/16-24 7/16-24 17/32-24 11/16-20 13/16-18 1-18

Items For Quote

Sealcon is the Exclusive Importer of HUMMEL products. We offer over 6,000 different Types and Sizes of RoHS Compliant Liquid Tight Strain Relief Fittings, Cord Grips, Cable Glands, Circular Connectors, Conduit System, Industrial Enclosures and Other Related Cable Management Products which are rated the best in the industry.
7374 S. Eagle Street
Centennial, CO 80112-4221 USA
Toll Free: 800-456-9012 / 303-699-1135 FAX: 303-680-5344
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