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Barton T03130 – TUPHblox Single Swivel Block 45mm, Brass Bearing, Max Rope 13mm
The Barton T03130 TUPHblox Single Swivel Block is part of the robust and versatile TUPHblox range, engineered for marine, industrial, and specialist environments. Manufactured from Tufnol phenolic resin laminate with cotton reinforcement, it provides excellent strength, durability, and resistance to harsh operating conditions.
The block runs on brass bearings for smooth and reliable operation, while 316 marine grade stainless steel bindings ensure corrosion resistance and structural integrity. The swivel head allows free rotation under load, reducing line twist and improving alignment in dynamic rigging systems.
Tufnol construction offers non-conductive properties, making this block ideal for industrial environments, including explosive zones and hot air balloon systems. The laminated structure ensures long service life, high durability, and excellent resistance to UV exposure and weathering.
Key Features
- 45 mm single sheave block with swivel head
- Tufnol laminate construction for strength and durability
- Brass bearing system for smooth operation
- 316 stainless steel fittings for corrosion resistance
- Swivel for automatic alignment and reduced line twist
- Non-conductive material for industrial applications
- Compact and robust design – 108 g
Technical Specifications
Part Number T03130 Block Type Single Swivel Block Series TUPHblox Sheave Diameter 45 mm (1 3/4") Bearing Type Brass Bearing Material Tufnol laminate with stainless steel and brass components Max Rope Diameter 13 mm (1/2") Safe Working Load (SWL) 385 kg (848 lbs) Break Load 770 kg (1694 lbs) Weight 108 g
Applications
- Dynamic rigging systems requiring rotation
- Control and trimming systems
- Medium-duty marine applications
- Industrial and non-conductive environments
- General-purpose line handling
The Barton TUPHblox blocks combine durability, flexibility, and reliable performance, making them ideal for applications where smooth rotation and efficient load handling are essential.
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