Virjsons engineers presents chain pulley blocks. The frame of these blocks is made of steel plates. Load wheel mounted on ball bearing is made of high-grade casting. All gears are accurately hobbing cut from alloy steel and case hardened. Load chain is tested and calibrated and conform to iss 2429/part ii/ 70. Self-actuating load, pressure brake ensures fully safety. It automatically piles on any load position. Hooks built from forged steel, rotate and move freely. Cahin pulley blocks are also available with reduced headroom, duly fixed with monotrial traveling trolleys.
