Hongsheng Oil Co., Ltd. is located in coast City Dongying, the base of china second largest oil field - Shengli oilfield.
        We have abundant working experience in oil and gas exploration and development. We have two branch foreign companies in Kazakhstan and Russia, and two drilling teams to do drilling service all over the world.          

Product Descriptiion:
1) Compliance with API 7K specification.
2) Industry standard SY/T5531 requirements.
3) Wheel drive using spiral bevel gears, strong bearing capacity, smooth operation and long life.
4) Wheel shell welding structure, good rigidity, high accuracy.
5) Splash lubrication of gears and bearings
6) Overall master bushing is steel castings.
7) Pin drive type can be placed in API standard Kelly or hexagonal Kelly roller bushing, long,
short kava can be used.

Main structure features:
1. The pinion and gear are made of alloy steel.
2.The master bushing is made form a steel casting.
3. Pin transmission type is suitable for APl standard square Kelly or hexagonal
Kelly roller bushing.
4.Effective lubrication and reliable seals are provided by design.The rotary tables conform to API specification 7K and the API monogram can be used.



Item

Model

ZP175

ZP205

ZP275

ZP375

ZP495

Bore diameter (mm)

444.5

520

698.5

952.5

1257.3

Max. static load (kN)

1350

3150

4500

5850

7250

Max. working torque (Nm)

14000

23000

28000

33000

37000

Max. speed (r/min)

300

300

300

300

300

Gear ratio

3.58

3.22

3.67

3.56

3.93

The distance from RT

1118

1353

1353

1353

1651

centerline to the center line

of sprocket inside teeth (mm)

Overall size

L (mm)

1935

2292

2392

2468

2940

W (mm)

1280

1475

1670

1810

2184

H (mm)

585

668

685

718

813

Weight (kg)

3888

5530

6163

7548

11626


Certificates:


Our services:
We have special service team which will offers you professional guidance:
1.Low maintenance cost, high efficiency.Minimizing downtime of the equipment.
2.Planned maintenance budget.Maintenance plans are designed according to the customers' different requirements.Providing dedicated and experienced maintenance technicians.
3.Our sales team will response for your question within 24 hours(holidays excluded)
4.Technical support will be available in any time. Providing dedicated and experienced maintenance technicians.
5.Quality Control:
1)We have our own experienced QC
2)There will be strict inspection and testing for every order before shipping out.
6.After-sale Service:
1)Quality Guarantee:12 months from delivery date(quick-wear part except)
2)For warranty repair/ replacement, user should send defective items back then supplier re-supply the same to user within assurance period for free(user in charge of freight fee)