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251CDA 
Heavy Duty Chain Driven Zero Pressure Accumulator
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SPECIFICATIONS
TREAD ROLLERS:  2-1/2" dia. x 11 ga. steel, model 251S. 

CHAIN DRIVE:  Roller-to-roller No. 40 roller chain. Zone-to-zone No. 60 roller chain.

CENTER DRIVE:  Drive either side mounted or underside mounted (specify). Drive shafts are supported by precision, heavy duty, lubricated, ball bearing units.

ROLLER CENTERS:  4" or 6" ONLY.

BED:  7" x 1-1/2" x 7 ga. and 5" x 1-1/2" x 7 ga. formed steel channel frame. Bed sections bolted together with butt couplings and floor supports.

CHAIN GUARD:  Chains are completely enclosed along entire length of conveyor.

BEARINGS:  Removable type, heavy duty ball bearings, zinc-plated, grease packed, labyrinth seal.
ACCUMULATION ZONE:  5'-0" zone lengths, mechanically actuated, zone singulation operation. For photo sensor controlled zones, see model SZ251CDA Smart zoneŽ.

MINIMUM LOAD: Minimum load weight required to activate sensor roller mechanism is 50 lbs.

SPEED: 35 FPM, constant.

FLOOR SUPPORTS: For underside drive, SH-4CDA adjustable 19" to 22" TOR; for side mounted drive, SH-2CDA adjustable 13" to 16" TOR. Supports provided on 5' centers and should be lagged to floor.

MOTOR DRIVE: 3/4 HP, 230/460/3, 60 cycle, ODP right angle gear motor.

CAPACITY: 1000 lbs./ft. up to a maximum of 4000 lb. pallet. 

ELECTRICAL CONTROLS: Optional
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