High-Performance API Certified Bull Gear for Drilling Rigs Mud Pump

• Customization: Available
• Warranty: 1 Year
• Manufacturing Process: Forging
• Model NO.: Bull Gear
• Surface Treatment: Quenching
• Operation Pressure: Atmospheric Pressure
• Material: Steel
• Transport Package: by Sea
• Trademark: HNA
• Origin: China
• Production Capacity: 3000

Product Description

Our Advantages

 

SINCE 1997,Qingdao Hainuoao Oilfield Equipment Manufacturing Co.,Ltd(abbreviated as HNA), has been an integrated engineering & manufacturing specialist & supplier recognized worldwide, for its complete range of high quality products of Mud Pump, Plunger Pump, Frac Pump & Spare Parts, High Pressure Forging & Investment Casting, and OEM customization, not only in O&G sector, but also in high speed train, automobile, heavy & special trucks, mining, cross tunnel, civil construction and heavy machinery industries.

HNA is a group company consisting of: Qingdao Headquarter Facilities of Machining, Assembling & Inspection Center, Shandong Heat Treatment Facilities, Hebei High Pressure Forging Facilities, Henan Casting Facilities. Taking benefits from our over 20 years expertise of designing & fabricating technology, state-of-art production & inspection equipment, professional R&D, manufacturing and sales & service teams, full range of products scope, as well as certified qualifications of API Q1, 7K, ISO, Member of IADC Suppliers, and High-End Oil Companies and End Users' Approvals, HNA has gained global reputation as an One-Stop Supplier for high quality and 100% interchangeable products in the O&G pump industry, among partners and end users from USA, Canada, Columbia, Mexico, Brazil, Italy, Britain, Netherlands, Saudi Arabia, UAE, Kuwait, Algeria, Russia, Kazakhstan, India, Indonesia, Malaysia, Vietnam, Australia etc., in North & South America, Europe, MENA & CIS & Pan-Pacific regions. HNA's cost-effective and high quality OEM products and services have greatly helped our clients to reduce their procurement, operation and maintenance cost, and therefore created more value and profit to our partners.  

By our World Leading Technology of High Pressure, Ceramic, Compound Alloy, USA Imported Rubber & Polyurethane, Ni-Cr Alloy Spray Surface Treatment, together with dozens of technical patents and advanced production & strict quality management control, HNA is distinguished from other manufacturers or suppliers in the O&G Pump & Parts industry and thus your most optimal & ideal choice of supplier and partner to work together with on a long term and mutual beneficial basis.

HNA believes in Innovation & Technology Create the Future, and we appreciate continuous business from our old and new friends and partners on a long term win-win cooperation, hands in hands together creating the brilliance of ours. 

Product Parameters

Features

1. Material and Manufacturing

• Forged Construction: The bull gear is forged for enhanced strength and durability.
• Standard Material: It is made of AISI 4135 (equivalent to 35CrMo). However, customized materials are also available upon request.

2. Quality Assurance through Advanced Processes

• Top - class Treatment and Machining: World - class heat treatment and multi - spindle CNC machining are employed. These processes ensure that the product quality of the bull gear surpasses API standard requirements.

3. Rigorous Quality Control

• Strict QC and Inspection: A set of strict quality control and inspection procedures are in place. This guarantees better performance and a longer service life for the bull gear.

4. Gear Machining Options

• Grinding Advantage: For the herringbone gear, the grinding process is used. It offers better quality and a longer service life compared to gear hobbing. The tooth surface hardness can reach HRC 55 - 60.
• Gear Hobbing Alternative: Gear hobbing of the herringbone gear is also available as an option for customers with different needs.

5. Tooth Space Customization

• Variable Tooth Space: The herringbone gear comes with options for narrow or wide middle teeth space, specifically 7mm or 65mm.

6. Performance Ratings

• High - pressure Application: It is rated for drilling operations with a maximum pressure of 7500 PSI.
• Long Service Life: The bull gear has an extremely long service life that exceeds API standards.

7. Compatibility

• Interchangeability: It is fully interchangeable with major pump models and power end types.

8. Product Series

• HNA - PE - PS: This series offers HNA Bull Gear in full sizes and specifications.
• Customization: Customized specific designs and series of HNA Bull Gear are available, complying with both API and non - API standards.

 

 

 

 

Detailed Photos

 

 

 

 

 

 

 

 

Company Profile

 

 

FAQ

Q:How can I place order? 

A: You can contact us by email or social media like WhatsApp on the order detail or place order on line. 

Q:How about the payment?
A: For new clients, advance payment(30%-100% of total amount) is required, the balance need to be paid before the delivery after your inspection.

Q:How can I pay you?
A: By T/T (Telegraphic Transfer) or L/C (Letter of Credit). After you receive the PI, you can make the payment through your bank as per the terms mentioned in PI.

Q: What's the order procedure? 
A: First we discuss order details, production details by email ,TM or other social media; then we issue you an PI for your confirmation. You will be requested to make full payment or deposit before we go into production.After we get the deposit, we start to process the order. Depending on the products you order, we usuallyneed a couple of days or even moths to complete production if we don't have the items in stock. Before production has been finished, we will contact you for shipment details, and the balance payment. After payment has been settled, we shall arrange the shipment for you.