
The two piece mast system comprised of the DH-21 and DH-22 Lower mast extensions are designed to provide additional solutions to height-restrictive applications than the DH-3 one-piece mast alone. The two-piece mast system allows use of components in various configurations and applications. Multiple winches and/or self retracting lifeline systems may be mounted as required. Tool-less design breaks the system into lightweight, manageable components for storage, transport, and setup.
MaterialsGeneral Construction: Welded AluminumWeld Certification: AWSHardware: Gr.5, Zinc PlatedMaterial Structure: 6061-T6, 5052-H32,7075-T6 AluminumBlock Anchor: 304 Stainless SteelFinish: Safety Yellow Powder Coat
TechnicalRated Capacity: 450lbs (204kg)Working load limit @ minimum 4:1 Design FactorProof Load RatingsAnchor PointsA) StandardPin Position 1 & 2 5000lbs (22kN)Pin Position 3 3600lbs (16kN)Pin Position 4 3000lbs (13kN)B) Optional 5000lbs (22kN)Winch/SRL Mount PositionsA) Rear MountPin Position 1 & 2 5000lbs (22kN)Pin Position 3 3600lbs (16kN)Pin Position 4 3000lbs (13kN)B) Front MountPin Position 1 & 2 2500lbs (11kN)Pin Position 3 & 4 1800lbs (8kN)Weight 23lbs (10.5kg)
Application Restrictions1. Retractable devices or shock absorbers must be installed and used in accordance with the manufacturer’s instructions.2. Masts must be used with bases or sleeves approved for use with the applicable mast offset.3. Where required by regulation, each installation must be approved to applicable standards by a qualified engineer.4. All equipment must be set up and operated under the supervision of a competent person according to the manufacturer’s instructions.
Orders marked "In Stock" are typically shipped within 12-24 hours.
Delivery is usually made within 1-7 business days, depending on the destination and item weight.
Flat shipping fee applies for all orders up to a certain weight limit.
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