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7 Series High-Flow Mud Motors
Brand: Mostar Directional IncMostar’s has completely redesigned a motor to allow for a higher flow system to achieve substantial gains in the rate of penetration in hard drilling and harsh environments.
Substantial improvements have been made to the entire bottom end to allow for higher flow but maintaining strength and durability.
Features- Mandrel adapter – 45% more wall
- Drive shaft – Shortened and strengthened
- Piston – 30% bigger than a 6 ¾
- Multiple stackable thrust bearings
- API Spec thread tapered
- 40% more oil than 6 ¾
- On bottom bearing to off bottom position
- Internals equivalent to an 8” mud motor
- Bigger Seals
- Custom Seals that are bigger and have more resistance to failure
Specifications
Brand
Maximum Differential Pressure
- NBR: 980
- NBR-HPW: 1530
Maximum Torque
- NBR: 10,650 ft-lb
- NBR-HPW: 16,690 ft-lb
Flow Range
- 400 gpm - 750 gpm
Speed Range
- 90 rpm - 170 rpm
Tube Material
- 4140/4142 Alloy Steel
Tube O.D.
- 7”
Tube I.D.
- 5.75”