Manual Hoists-HST Series
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Manual Hoists-HST Series | Chain Pulley Blocks | China Wirstrong® Manufacturing
Wristrong manual/hand chain hoists are usually known as chain blocks and are designed for heavy duty lifting and materials handling operations. Chain blocks raise and lower loads by pulling on the hand chain. Chain blocks can be of single or double fall configurations depending on the capacity of the blocks. Wristrong chain blocks are produced in accordance with CE, EN 13157,ASME B30.16, AS 1418.2, etc, which could meet the different customers' requirements.
Characteristics Of Manual Chain hoist/Chain Block HST Series:
-Manufactured to EC Council Directive 2006/42/EC Machinery, EN 13157,ASME B30.16, AS 1418.2, etc.
-Compact size,light weighted and durable use for long life span.
-High efficiency and small pulling effort at full load.
-Reliable, safe in operation and low maintainance.
-Very low headroom allows optimal use of limited space.
-Capacity ranges from 0.5T to 20T.
-Tough gear case to protect all gears from damages caused by collision and shock.
-Fully forged hooks are fitted with safety latches in all sizes.
-High grade alloy steel load chain.
-Each hoist is proof tested at 1.5 times of W.L.L up to 10T, 1.25 times of W.L.L 10T-20T.
-Optional G80 RUD load chain from Germany of FEC load chain from Japan.-With overload protection device(Optional).
Specification and different capacities on HST Series Manual Chain hoists:
Ensure that the chain block name plate and WLL is clearly visible and legible. The pre-use inspection for a chain block should include the followings：
Inspect chain for wear.
Inspect chain for gouges, nicks, arc burns, twisted & bent links and corrosion.
Inspect for correct reeving on multi-reeved units (3 and 5 tonne)
Lift wheels & Sheave wheels
Inspect lift wheel for foreign material, wear and corrosion.
Inspect dead end pins for wear, tightness and corrosion.
Inspect hooks for signs of opening, cracking, bending, arc burns and corrosion.
Hooks should swivel freely.
Inspect safety latches for condition & operation.
Measure the hook throats for allowable service openings.
Inspect chain for wear.
Inspect chain for twisted or gouged links and corrosion.
Inspect connecting link for signs of opening.
Inspect frame and covers for distortion, cracks, gouges, corrosion & other damage.
Inspect hangers (3 and 5 tonne) for cracks, gouges, corrosion & other damage.
Inspect unit for clear WLL identity.