Industry:
Metals Processing

Location:
Hermitage, PA

Duty Cycle:
CMAA Class D

Project Description:
One (1) new 3-ton capacity, top-running, single girder bridge crane designed for indoor service in CMAA Class ‘D’ duty. This crane spans 52′-6 3/8″ with a maximum lift height of 30′-0″.

Application Highlights:
The crane features primary PatriotPro radio control with backup pendant operation and a C-track festoon conductor system. With variable frequency drive control on all travel motions, overload protection, and comprehensive limit switches, it is engineered for precise and safe daily operation.

Technical Specifications:

  • Capacity: 3 tons (6,000 lbs.)

  • Span: 52′-6 3/8″

  • Lift Height: 30′-0″ (39′-4 7/16″ available)

  • CMAA Class D – Standard Service

  • Voltage: 460V, 3 Phase, 60 Hz

  • Main Reeving: 4-part single, 6.4 mm wire rope

  • Operation: PatriotPro radio control with (2) transmitters; backup 8-button pendant

Mechanical Features:

  • Top-running end trucks with rotating axle and (2) 4 5/16″ wheels per side

  • Structural girder design with A-4 bridge drive

  • Energy absorbing bridge and trolley bumpers

  • Manual 360° swivel hook with safety latch

Electrical & Safety Features:

  • IP-55 rated control enclosures

  • C-track festoon conductor system

  • Upper/lower control circuit limit switches

  • Overload limit device

  • Electro-mechanical warning horn

  • DC disc brake on hoist; AC disc brakes on bridge and trolley

Installation & Service:

  • Install crane onto the existing runway and make all structural, mechanical, and electrical connections

  • Start-up and commission crane; make all operational adjustments

  • Perform load testing and provide certified documentation

  • Provide final inspection report upon completion