TC 450 Crown Block
Classification: Crown Block
Machine Type:Drilling Equipment
Certification:API, Meet ISO&API certification
Use: Well Drilling
Crown block is necessary component used for drill rig or workover rig for lifting. The performance standard for crown block Kingwell supplied is API Spec 4F & 8C.
The frame of the crown block is made with high strength steel material. Working pulley block are set slantingly to counteract the torsion of sheave and make side board of traveling block face to derrick.
The pulley groove is undertaken middle-frequency quencher so as to extend operating life of sheaves. Working sheave are assembled with double-conic bearing, wherein each bearing has its individual lubricating channel.
Rope bar are provided to prevent the wire rope from crossing or failing out the groove. The Crown block is also equipped with wooden buffer and protection net to prevent bump. It is equipped with derrick crane as well for repairing the crown block.
Sand sheaves and auxiliary sheaves Assy can be provide as the requirement. climbing assistor and falling-proof device can be installed according to various requirements
. Besides, sheaves and bearing are interchangeable with its matched crown block
Main Feature of Crown Block:
• The sheave groove is quenching-treated, anti-abrasion with long service life
• Equipped with wireline award device, preventing the wireline from bouncing or falling off
• Equipped with bumping wood and protective net
• Equipped with gin pole for block servicing
• Equipped with sand block and auxiliary block
• The sheaves of crown block and mated traveling block are fully interchangeable.
Here are the specifications for your reference:
Technical Specifications of CrownBlock
Sheave O.D. in(mm)
Size (L xW xH) (mm)
Xi'an Kingwell Oilfield Machinery Co.,Ltd is a professional supplier for oilfield products according to the API standard.
Our products have exported to USA, Canada, Egypt, India and UEA, etc with 40 FCL containers per month. Now, with high quality and short supply and good service, our products have got good reputation home and abroad.
Here we got some prise as follows.
Kingwell is a CNPC & SINOPEC & BV certified company, having all the Quality Systems in place for design, planning, manufacturing and quality monitoring & traceability to ensure our products match the highest quality standards.
We test our products strictly according to the API Standard and our quality assurance period is 12 months.
Certificates endorsed by DNV/BV/ABS and Documents we can supply with the shipments:
1. Pressure Test Certificate with Graph and time recorded.
2. Function Test
3. Rubber Products NACE Compliance
4. Material Mill Certificate and treatment characteristics
5. H2S Compliance
6. Service Manual
7. Parts Manual
8. Testing Procedures.
9. Open up type tool drawing for dressing purpose– if any.
Payment:TT/LC:30% advance payment.70%before shipment
Warranty: Warranty period is 1 year after installation.
Minimum order: 1 set
Packaging: wood case or steel carton
Delivery Date: within 1-2 month(s) after receiving prepayment
Logo: KW, we can produce according to customer requirements.
Technical Documents: We can provide technical documents according to your requirements.
Additional service: Customers are served to test our products in our factory upon request.
The followings are some pictures about product packaging
We believe in Customer delight, achieved by the supply of Quality Products & Services and Continual Improvement in our Manufacturing Processes for timely delivery at competitive prices. We work in a professional, competitive, and cost-effective manner consistent with the Customer requirement