Main Technical Information

1.Manufacture: Dawang Jintai Group Petroleum Equipment Co.,Ltd

2.Description: Gear Reducer

3.Specification: API114D ,API228D,API320D,API456D,API640D,API912D,API1280D,API1824D

4.Gear Form Driving Mode:

1) Herringbone Double Circular Arc Tooth Double-stage

2) Involute

5.Material

Case body: HT200

Input shaft:42CrMo

Intermediate shaft: 42CrMo

Output shaft: 45#

Right-Left helical gears: ZG35SiMn

Herringbone: ZG35SiMn

6. Belt groove type: Six grooves C-Type

7. Brake: Internal Expanding Brake

External Contracting Brake

8. Hardness: HB277-315

9. Sealing Mode: Non-Contact Labyrinth

10.Accuracy Grade: 8-8-7

11.Key Processing Equipment:

3 sets of Y31200 hobbing machine, 25 sets of Y31125 hobbing machine, 18 sets of Y3180H hobbing machine, 5 sets of planer milling machines, 7 sets of H boring machine, 8 sets of grinding machine, 12 sets of slotting machine, 36 sets of lathes, 6 sets of electric furnace of modified heat treatment, cut-off machine, Automatic welding equipment, combined welding frocks, testing frocks, assemble trial running units.

12.Key testing machine:

Three dimentional measuring instrument, one set of P40 testing instrument, flaw detection equipment, tensile strength test bed, German optical spectrum analyzer, metalloscope, hob testing machine, tension dynamometer.

13.Certificate: API 11E Certificate and ISO9001-2000 Certificate

14.Export to America (Sentry and Weatherford also use our gear reducer),Canada, India, Indonesia,Columbia,Mexico,Oman (PDO) and son on.