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Dixon® BU35 BU35

Dixon® BU35

Dixon® Boss™ BU35 Zinc-Plated Iron 4-Bolt Clamp, 3 in, 5 in W

  • Manufacturer: Dixon Valve & Coupling
  • Brand: Dixon®
  • ARGPN: BU35
  • MPN: BU35
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Dixon® Boss™ 4-Bolt Clamp, Nominal Size: 3 in, 3-1/2 in Maximum Clamp Diameter, 3.93 in Minimum Clamp Diameter, Locking Style: Bolt, Torque Rating: 150 ft-lb, Material Construction: Iron, Finish: Zinc-Plated, 6-1/2 in Length, 5 in Width, 450 deg F Steam Service

California residents see Prop 65 WARNINGS

Finish      :      Zinc-Plated
Length      :      6-1/2 in
Locking Style      :      Bolt
Material      :      Malleable Iron
Material Construction      :      Iron
Maximum Clamp Diameter      :      3-1/2 in
Minimum Clamp Diameter      :      3.93 in
Nominal Size      :      3 in
Product Type      :      Bolt Clamp
Temperature Rating      :      450 deg F Steam Service
Torque Rating      :      150 ft-lb
Width      :      5 in
  • Four-bolt type clamp with two gripping fingers and two clamp sections
  • Bolts in boss clamps are designed to bend as they are tightened, this allows the clamp to conform to the hose outside diameter
  • Always tighten bolts to their specified torque value
  • Periodic re-tightening of bolts is required due to "cold flow" phenomenon present in all rubber hoses
  • Recommended for steam service up to 450 deg F

Instructions: 4-Bolt Dixon® Boss™ clamp bolt tightening sequence, using a torque wrench, begin tightening the bolts as follows: A) Back bolt (bolt with nut facing assembler that is furthest away from gripping finger) one full turn.

  • B) Front bolt (bolt with nut facing assembler that is closest to gripping finger) one full turn.
  • C) Snug by hand (if bolts are loose) nuts on opposite side of bolts just torqued.
  • D) Opposite side back bolt (bolt with nut facing assembler furthest away from gripping finger) one full turn.
  • E) Opposite side front bolt (bolt with nut facing assembler closest to gripping finger) one full turn.
  • F) Snug by hand (if bolts are loose) nuts on opposite side of bolts just torqued.
  • G) Repeat above procedure "a" through "f" until all of the bolts have reached the recommended torque.
  • H) Remove assembly from vise.

    Safety Notes: The bolts used in the Boss™ interlocking clamps are not standard bolts.

  • They vary from standard bolts in their length, diameter, overall thread length and material hardness.
  • These bolts can be retorqued, but it is not recommended that the bolts or clamps be reused, as they are designed for a single bend only.
  • Dixon® recommends using only factory supplied replacement bolts.
  • Replacement nuts and bolts are available, contact Dixon® for more information.
  • Torque values for clamps are based on dry bolts.
  • The use of lubricant on bolts will adversely effect clamp performance.
  • Do not lubricate nuts and bolts.
  • Recommended torque rating in ft-lb.
  • Worn-out hose couplings can be dangerous.
  • They should be checked regularly and replace when necessary.
  • Each coupling user should review applications and add safety devices where indicated.
  • Note: Pressurized steam is an extremely dangerous commodity.
  • Only hose, fittings, clamps and accessory items that have been approved for steam service should ever be used!
  • Never use an unapproved item for steam service.
  • Always follow the manufacturer's product recommendations for pressurized steam handling.
    • pdfCatalog https://www.alaskarubbergroup.com//ASSETS/DOCUMENTS/ITEMS/EN/Dixon_1113_CAT.pdf
    • pdfTechnical Drawing/Parts Diagram https://www.alaskarubbergroup.com//ASSETS/DOCUMENTS/ITEMS/EN/Dixon_BU35_TD.pdf

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