TRIPLE SPUR GEARED CHAIN PULLEY BLOCKS – R-SERIES

COMPACT AND LIGHTWEIGHT: Manufactured from the highest quality steel materials. Offering a lightweight, but robust, exceptionally strong product. Superior quality and performance is assured by exclusive, improved, process technology and years of experience.
SAFETY BRAKE: The Precision Ratchet Disc Type, Auto brake, engages instantly when the operation is stopped, holding the load securely. The high-quality material ensures reliability, even after long-term use.
HAND CHAIN WHEEL: Made from high-grade castings.
HAND CHAIN: As per I.S.S.-2429 M.S.- calibrated
HOOKS: Drop forged, Swivel in all directions. as per I.S.S.-8610
MINIMUM POWER FOR OPERATION: SPEED R-SERIES CHAIN BLOCKS, produce high mechanical efficiency, due to high gear ratios and the use of extra ball bearings. Thus, outstanding work output is attained, with minimum manual effort.
LOAD CHAIN WHEEL: Made of malleable casting precision machined and mounted on ball bearings.
LOAD CHAIN: Load Chain is made of special Alloy steel. Heat treated, to prevent elongation, and for high tensile stress. Has the durability of continuous long-term use. confirms to I.A.A.-6216 – galvanised
LOAD PROOF TEST: Each Chain Block is tested to 1.5 times its related capacity.

Specifications

SWL M Tons	1	2	3	5	7.5	10	15
Hand power required: Kgs. (Effort)	26	28	35	42	44	51	56
Number of Falls	1	2	2	2	3	4	6
Velocity Ratio	52	104	104	152	222	350	350
Net. Wt. with 3 M. Lift- Kgs	25	33	36	64	94	132	241
Gross Wt. With 3 M. Lift-Kgs	31	40	44	77	116	153	281
Extra Wt. for 1 M. additional Lift-Kgs	2.9	4.3	4.3	5.2	11.3	14.5	21

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