DUR Reducing Union

Brand: Generant Inc

BI-Lok Series D Dual Ferrule Tube Fittings are composed of four precision machined component parts: fitting body, front ferrule, back ferrule, and nut. 

BI-Lok Tube Fittings are shipped fully assembled and individually bagged. Once the tubing has been fully inserted into the fitting, a leak tight seal is achieved through the simple action of tightening the nut against the fitting body. 

The tightening of the nut provides the axial thrust required to engage the captively held ferrules against the outside diameter of the tubing. 

The staged swaging action of the ferrules, with minimal torque transfer to the tubing during make-up, provides the key to BI-Lok’s high integrity sealing capability and exceptional service life.

Specifications

Brand

Enclosure, Body Material

  • 316 Stainless Steel
  • Brass

Materials of Construction

  • Tubing: 304 Stainless Steel, ASTM A-269
  • Tubing: 316 Stainless Steel, ASTM A-269
  • Tubing: Carbon Steel, ASTM A-179
  • Tubing: Copper, ASTM B-75

Nut & Bolt Material

  • Front & Back Ferrule Nut: 316 Stainless Steel - ASTM A479
  • Front & Back Ferrule Nut: Brass (ASTM B16, CDA 360)

Operating Pressure

  • Carbon Steel Tubing - psi: 1,500 to 10,200 (kPa: 10,342 to 70,327, bar: 103.4 to 703.3)
  • Copper Tubing - psi: 500 to 5,100 (kPa: 3,447 to 35,163, bar: 34.47 to 351.6)
  • Stainless Steel Tubing - psi: 2,000 to 12,000 (kPa: 13,790 to 82,737, bar: 137.9 to 827.4)

Orifice Size

  • 0.05” to 0.62” (1.27 to 15.7 mm) Min.

Pressure Rating

  • Pipe End (316 Stainless & Carbon Steel) - psi: 4,400 to 10,000 (kPa: 30,337 to 68,948, bar: 303.4 to 689.5)
  • Pipe End (Brass) - psi: 2,200 to 5,000 (kPa: 15,168 to 34,474, bar: 151.7 to 344.7)

Temperature Range

  • Temperature Stress Factor: 93.3° to 537.7° C (200° to 1,000° F)

Tube Connection

  • 1” O.D. Tube
  • 1/16” O.D. Tube
  • 1/2” O.D. Tube
  • 1/4” O.D. Tube
  • 1/8” O.D. Tube
  • 3/16” O.D. Tube
  • 3/4” O.D. Tube
  • 3/8” O.D. Tube
  • 5/16” O.D. Tube
  • 5/8” O.D. Tube
  • 7/8” O.D. Tube
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