• Compression Unions
360º seal compression unions permit the use of one part number of each size to effectively and easily join steel, copper, aluminum, and nylon tubing, or combinations of these materials, including 10mm. These leak free compression unions come in both straight, 90º elbows and reducing styles.
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Product

Type

Size

Weatherhead #

Edelmann #

Tube Size

Side #1

Side #2

Packaging

Old FMSI No.

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N/A 3/16" High Pressure Steel Compression Union (5000psi) N/A N/A N/A N/A N/A 3/16" N/A N/A N/A SP(1) HP(1) N/A
N/A 1/4" High Pressure Steel Compression Union (5000psi) N/A N/A N/A N/A N/A 1/4" N/A N/A N/A SP(1) HP(1) N/A
N/A 5/16" (8mm) High Pressure Steel Compression Union (5000psi) N/A N/A N/A N/A N/A 5/16" N/A N/A N/A SP(1) HP(1) N/A
N/A 3/8" High Pressure Steel Compression Union (5000psi) N/A N/A N/A N/A N/A 3/8" N/A N/A N/A SP(1) HP(1) N/A
N/A 10mm High Pressure Steel Compression Union (5000psi) N/A N/A N/A N/A N/A 10mm N/A N/A N/A SP(1) HP(1) N/A
N/A 3/8" to 10mm High Pressure Steel Compression Union (5000psi) N/A N/A N/A N/A N/A 3/8" to 10mm N/A N/A N/A SP(2) HP(2) N/A
N/A 12mm High Pressure Steel Compression Union (5000psi) N/A N/A N/A N/A N/A 12mm N/A N/A N/A SP(2) HP(2) N/A
N/A 3/8" 360° Seal Compression Union to 3/8" Fuel Injection Hose N/A N/A N/A N/A N/A N/A Compression Union for 3/8" Steel or Nylon Tube N/A Hose Barb for 3/8" F.I. Hose N/A SP(2) HP(2) N/A
N/A 5/16"(8mm) 360° Seal Compression Union to 5/16"(8mm) Fuel Injection Hose N/A N/A N/A N/A N/A N/A Compression Union for 5/16"(8mm) Steel or Nylon Tube N/A Hose Barb for 5/16"(8mm) F.I. Hose N/A SP(2) HP(2) N/A
N/A 10mm 360° Seal Compression Union to 3/8" Fuel Injection Hose N/A N/A N/A N/A N/A N/A Compression Union for 10mm Nylon Tube ONLY N/A Hose Barb for 3/8" F.I. Hose N/A SP(2) HP(2) N/A
N/A 3/8" In-line Check Valve For Steel or Nylon Fuel Line N/A N/A N/A N/A N/A For 3.8" Nylon or Steel N/A N/A N/A N/A
N/A 5/16"(8mm) In-line Check Valve For Steel or Nylon Fuel Line N/A N/A N/A N/A N/A For 5/16" / 8mm Nylon or Steel N/A N/A N/A N/A
N/A 1/2" 360º Seal Compression Union N/A N/A 1/2" N/A N/A N/A N/A N/A N/A SP(2) HP(2) N/A
N/A 1/2" Brass Compression Union N/A Union N/A 1/2" N/A 62x8 N/A 162800 N/A 1/2" N/A N/A N/A SP(1) HP(1) N/A
N/A 1/2" Brass Compression Tee N/A Union Tee N/A 1/2" N/A 64x8 N/A 164800 N/A 1/2" N/A N/A N/A SP(1) HP(1) N/A
N/A 1/2" Brass Compression 90º Elbow N/A N/A 1/2" N/A 65X8 N/A 165800 N/A N/A N/A N/A SP(1) HP(1) N/A
N/A 1/2" Brass Ferule N/A N/A 1/2" N/A 60X8 N/A 160800 N/A N/A N/A N/A SP(5) HP(2) N/A 3767
N/A 1/2" Compression Union Brass Nut N/A N/A 1/2" N/A 61x8 N/A 161800 N/A N/A N/A N/A SP(1) HP(1) N/A 3775
N/A 1/2" to 3/8" 360º Seal Reducing Compression Union N/A N/A 1/2" to 3/8" N/A N/A N/A N/A N/A N/A SP(2) HP(2) N/A
N/A 1/4" 360º Seal Compression Union N/A N/A 1/4" N/A N/A N/A N/A N/A N/A SP(2) HP(2) N/A
N/A 90° Elbow Union N/A N/A 1/4" N/A N/A N/A N/A N/A N/A N/A
N/A Inlet Captive Sleeve Nut N/A N/A 1/4" N/A N/A N/A N/A N/A N/A N/A
N/A 1/4" Brass Compression Union N/A Union N/A 1/4" N/A 62x4 N/A 162400 N/A 1/4" N/A N/A N/A SP(2) HP(2) N/A
N/A 360° Seal In-Line Compression Union N/A N/A 1/4" N/A N/A N/A N/A N/A N/A N/A
N/A Nylon to Nylon Fuel Line Compression Union N/A N/A 1/4" N/A N/A N/A N/A N/A N/A N/A
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