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Darby Equipment Company
32-42" Pipe Bending Machine (HPB32-42)


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pipe roller cradles The HPB32-42 has a 75 gal (284 L) fuel tank and a 200 gal (757 L) hydraulic
tank with 160 gal (606 L) fill capacity. The large hydraulic tank helps keep the
oil cooler, extending the life of the hydraulic system.
pipe roller cradles Hydro Control five-section hydraulic control valve provides bending
and winch operation. Hydraulic mandrel operation is a standard feature
on all Darby bending machines.
pipe roller cradles Machine side plates are reinforced with stiffeners for optimal frame life. Side plates are 1-1/4" (31.8 mm) T1 steel and die nest plates are 1-1/2" (38.1 mm) T1 steel. All welds are preheated, heat controlled and made “in position.”
pipe roller cradles Frame cross tubes supporting the hydraulic cylinders have 3/8" (9.5 mm) wall thickness.
pipe roller cradles Parker Seal Lok™ hydraulic system prevents leaks and has a working pressure rating of 3,000 psi (206.8 bar).
pipe roller cradles Murphy control panel includes electric start, throttle control, oil pressure, tachometer and hour meter.
pipe roller cradles Hydraulic cylinders can be disassembled without cutting for ease of repair.
pipe roller cradles Pinup is fully reinforced to prevent spreading.
pipe roller cradles 390 Quincy Air compressor is hydraulically driven by its own circuit.
pipe roller cradles 10-micron hydraulic pressure and return line filtration keeps oil clean to extend the life of the system.
pipe roller cradles Oil cooler in compressor drive circuit keeps the circuit cooled. It continuously circulates, even when the compressor is not running. This extends the life of the hydraulic system.
pipe roller cradles Heavy duty 3-roller tracks for improved performance and lower ground track.

pipe roller cradles Maximum bending force at front of stiffback is 1,140,400 lbs (517,276 kg).
pipe roller cradles Air compressor provides 240 psi (16.5 bar) continuous pressure for mandrel performance.
pipe roller cradles With engine running at 2,200 rpm, hydraulic vane pump produces 145 GPM (549 LPM) @ operating pressure.

Technical Specifications:
Length 26'8" (8,128 mm)
Width 10'2" (3,098.8 mm)
Height 11'5" (3,479.8 mm)
Weight 82,500 lbs (37,421 kg) w/o bending set
Engine CAT C6.6 Turbo Diesel, 202 hp at 2,200 rpm
Winch Ramsey 20,000 lb (9,071 kg) Powermaster® hydraulic planetary winch
Air Compressor Quincy 390 LVD air compressor w/ hydraulic drive and 120 gal (454.3 L) reservoir
Cylinders Four 11" (279 mm) outboard cylinders w/ 18.5" (469.9 mm) stroke
Four 8" (203 mm) inboard cylinders w/ 6" (152.4 mm) stroke
One 7" (177.8 mm) pin-up cylinder w/ 42" (1,066.8 mm) stroke
Hydraulic Pump Three Parker piston pumps
Oil Cooler American Industrial