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Barton T00231 – TUPHblox Double Block with Swivel & Becket 20mm, Brass Bearings, Max Rope 8mm, SWL 275kg
The Barton T00231 TUPHblox Double Block is a compact and versatile pulley solution featuring twin 20 mm sheaves in a double configuration. Designed with a swivel head and integrated becket, it allows flexible alignment and efficient multi-purchase setups.
Constructed from Tufnol (phenolic resin laminate with cotton reinforcement), the block provides excellent strength, durability and resistance to wear. Reinforced with 316 marine-grade stainless steel components and fitted with brass bearings, it ensures smooth, reliable performance under load.
The non-conductive properties of TUPHblox material make this block suitable for specialised industrial environments, including hazardous and explosive conditions. Its resistance to UV, moisture and environmental exposure ensures long service life in both marine and technical applications.
Key Features
- Double block with twin 20 mm sheaves
- Swivel head for flexible alignment under load
- Integrated becket for multi-purchase systems
- Brass bearings for smooth and consistent operation
- Tufnol composite construction for strength and durability
- 316 stainless steel components for corrosion resistance
- Non-conductive material for specialised applications
- High resistance to UV, weather and wear
- Lightweight yet strong design
Technical Specifications
Part Number T00231 Product Type Double Block with Swivel & Becket Sheave Diameter 20 mm (25/32") Number of Sheaves Double Bearing Type Brass Bearing Max Rope Diameter 8 mm (5/16") Safe Working Load (SWL) 275 kg (606 lbs) Break Load 550 kg (1210 lbs) Material Tufnol composite with 316 stainless steel fittings
Applications
- Multi-purchase rigging systems
- Control lines and light lifting systems
- Marine and yacht rigging applications
- Industrial and non-conductive environments
- Classic and heritage vessel equipment
The Barton TUPHblox range is engineered for durability, smooth performance and versatility, delivering reliable operation across marine and specialised technical applications.
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