| After-sales Service: | Online Support |
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| Warranty: | 1 Year |
| Manufacturing Process: | Casting |
| Surface Treatment: | Primer Coating and Final Painting |
| Operation Pressure: | / |
| Material: | Steel |
| Customization: |
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Audited Supplier General Introduction:
The reducer adopts split type box structure and shunt double reduction involute herringbone gear transmission. It has the advantages of high capacity, long service life, excellent performance, and convenient maintenance.
Structure:
The reducer is installed on the base of the walking beam pumping unit and is directly driven by the motor through the adhesive tape. Both ends of the driven shaft are equipped with cranks. One end of the driving shaft is equipped with a sheave, and the other end is equipped with a brake wheel with a dead brake device.
Both the driving shaft assembly and the intermediate shaft assembly adopt short cylindrical roller bearings. The driven shaft assembly has two radial spherical roller bearings. One end is a fixed end, and the other end is a movable end. When the reducer is overhauled and reassembled, the bearing caps should be press-fitted according to the thickness of the gaskets used by the factory. The gap at the fixed end can be eliminated by adjusting the gasket, and the bearing cap need to be tightened with screws to prevent oil leakage. The movable end should leave a 0.5-1mm gap between the bearing end surface and the bearing cap, which can be realized by adjusting the thickness of the gasket.
The gears in the reducer are all lubricated by oil bath and splash lubrication. The joint surface of the reducer box is coated with sealant. There is a two-way oil scraper between the intermediate gear and the box base, and an oil groove is opened on the joint surface of the box base, so that the lubricating oil splashed by the gear can flow into the oil groove to lubricate the bearings. Three plugs are installed on the box base, the upper two are used for checking the oil level, and the lower one is used for draining the oil. An inspection hole is on the top of the box, and a venting cover is on the inspection hole.
Reducer Parameters Table
| Name | Gear Reducer, Gear Box, Reducer Gear, Reduction Gear |
| Model | 114D, 228D, 320D, 456D, 640D, 912D, 1280D, 1824D |
| Gear Form Driving Mode | 1) Herringbone Double Circular Arc Tooth Double-stage 2) Involute |
| Material | Case body: HT200 Input shaft:42CrMo Intermediate shaft: 42CrMo Output shaft: 45# Right-Left helical gears: ZG35SiMn Herringbone: ZG35SiMn |
| Belt groove type | grooves C-Type |
| Brake | Internal expanding External contracting |
| Hardness | HB277-315 |
| Sealing Mode | Non-Contact Labyrinth |
| Accuracy Grade | 8-8-7 |
| Certificate | API 11E Certificate and ISO9001-2000 Certificate |
Lake Petro company is a professional supplier of various oilfield equipment, including oil drilling and service equipment,oil production equipment,OCTG ,wellhead & downhole tools and spare parts with API certification. Following the principle of "quality first, science and technology innovated, people oriented", every Lake Petro person is sparing no effort to provide the customers with best products and services. Through efforts of Lake Petro staff, our products have already been exported to USA, South America, Africa, Middle East, Russia and some other countries (regions). With super quality, reasonable price and professional service, Lake Petro company has become VIP (assigned) supplier and built strategic partnership with some coutries' national petroleum companies.
How to order?
Please send us your inquiry with detail item description or with Model number.
If there is no packing demand we take it as our regular exported standard packing.
We will offer you an order form for filling. We will recommend you the most suitable model according to information you offered.
You send us your detail requirement, we provide quotation to you.
Can I expect a quality products?
All the production and processing are strictly according to ISO 9001:2008 and API standard. At the same time, mature production technology ensuring the quality satisfy international request. We also welcome the third party inspection, such as BV, SGS and TUV.
The information you may like to know before Payment:
1. Methods of Payment:
T/T (Telegraphic Transfer) or L/C at sight
2. Shipping way
Sample order: we suggest Courier express like DHL/UPS/TNT/FEDEX or by air
Bulk order: we suggest by air or by sea.
3. Quality Control
We have our own experienced QC.
There will be strict inspection and testing for every order before shipping out.
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Audited Supplier 
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