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Dixon® Boss™ 4-Bolt Clamp, Nominal Size: 1 in, 2-8/64 in Maximum Clamp Diameter, 1-60/64 in Minimum Clamp Diameter, Locking Style: Bolt, Torque Rating: 21 ft-lb, Iron, Finish: Zinc-Plated, 450 deg F Steam Service
California residents see Prop 65 WARNINGS
| Product Type | : | Bolt Clamp |
| Nominal Size | : | 1 in |
| Maximum Clamp Diameter | : | 2-8/64 in |
| Minimum Clamp Diameter | : | 1-60/64 in |
| Locking Style | : | Bolt |
| Torque Rating | : | 21 ft-lb |
| Material | : | Iron |
| Finish | : | Zinc-Plated |
| Temperature Rating | : | 450 deg F Steam Service |
- 4-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.
Catalog/Catalog Cut Sheet
