Rotary Head Webheader

 

 

Product Information

  • Over 200 units in service throughout the world
  • Wide range of mounting kits to suit most rigs
  • Pilot operated Series / Parallel Valve
  • Sample Swivel & Blow down / Blowback System
  • All spare parts are readily available

Applications
Reverse Circulation Drilling, Grade Control Drilling, Blast Hole drilling and Water Well Drilling

Features
Sturdy straight cut gear, 3 sizes of twin drive motors and dirt deflectors above all seals and bearings. Ratio 3.75:1.

Mounting System
Air Drill has designed a flexible, adaptable mounting system which utilizes strong nylon slides for fail safe head travel.
The Air Drill mounting kit suits most rigs, with options available.

Bore Options
The spindle bore through the head is available in 70mm, 78mm and 104mm sizes

Series/Parallel Option
The pilot operated series/parallel valve allows the twin drive motors to be run in series or parallel, presenting greater speed and torque options.
Mounted directly on a drive motor for easy plumbing and integrated with
internal relief’s to guard against pressure spikes.

Sample Swivel Option
Designed to carry a blow down/blowback valve and features an air purge to reduce wear and a quickly replaceable seal runner.

OMVW-400 CONTINUOUS RATING INTERMITTENT RATING
RPM (Series) 0 -132 0 – 159
Peak Torque (Series) 4,457 Nm (3,287 ft.lbs) 5,326 Nm (3,928 ft.lbs)
RPM (Parallel) 0 – 66 0 – 79
Peak Torque (Series) 8,915 Nm (3,000 psig) 10,653 Nm (7,857 ft.lbs)
Hydraulic Pressure 210 Bar (3,000 psig) 250 Bar (3,600 psig)
Maximum Oil Flow 200 Litres / min 240 Litres / min
OMVW-500 CONTINUOUS RATING INTERMITTENT RATING
RPM (Series) 0 -106 0 – 127
Peak Torque (Series) 5,515 Nm (4,068 ft.lbs) 6,649 Nm (4,904 ft.lbs)
RPM (Parallel) 0 – 53 0 – 63
Peak Torque (Series) 11,031 Nm (8,136 psig) 13,298 Nm (9,808 ft.lbs)
Hydraulic Pressure 210 Bar (3,000 psig) 250 Bar (3,600 psig)
Maximum Oil Flow 200 Litres / min 240 Litres / min
OMVW-630 CONTINUOUS RATING INTERMITTENT RATING
RPM (Series) 0 – 83 0 – 101
Peak Torque (Series) 6,271 Nm (4,625 ft.lbs) 7,329 Nm (5,405 ft.lbs)
RPM (Parallel) 0 – 41 0 – 50
Peak Torque (Series) 12,542 Nm (9,250 psig) 14,658 Nm (10,811 ft.lbs)
Hydraulic Pressure 210 Bar (3,000 psig) 250 Bar (3,600 psig)
Maximum Oil Flow 200 Litres / min 240 Litres / min

Schramm Australia Rotary Head w/o Motors – Part # 344-8620
Single Rotary Head Motor OMVW-315 – Part # 344-OMVW 315
Single Rotary Head Motor OMVW-400 – Part # 344-OMVW 400
Single Rotary Head Motor OMVW-500 – Part # 344-OMVW 500
Single Rotary Head Motor OMVW-630 – Part # 344-OMVW 630
Rotary Head Series / Parallel Manifold Assembly – Part # 344-M96
Rotary Head Series / Parallel Manifold Switch – Part # 2258-0284
Rotary Head Slides (subject to rig model) – Part # 305-003
Rotary Head Top Sample Swivel – Part # AD19-017

Rotary Head brochure coming soon. Please contact Schramm Australia for further information