1:Use for 7000-9000meters drilling rig 2:API standard 3:Body materal is bought from NOV 4:Good quality use more than 5year

we are Superior quality manufacturer, 

we can supply hoisting system as same as chinese NOV ,our prodcts : rotary table ,hook, travelling block,crown block,swivel ( same as Chinese NOV company ) ,our mud pump (F series ) is as same as EMOCO(BAOJI oilfield co .,ltd ),ESMCO (USA oilfield）

Features

• Side board is thick steel plate and heavy enough to keep wireline tight during lifting and lowering for easy spooling and no-load lowing of the hook and longer wireline service life.
• Sheave groove subject to intermediate frequency quenching for better case hardness and longer wireline service life
• Sheave is equipped with double cone roller bearing, each has independent oil passageway
• Alloy steel shaft with oil port to each sheave bearing
• Heavy-duty wireline guard
• High strength wireline elevator
• The sheave and bearing are interchangeable to those of mated crown block
• Built to API 8A, have the certificate of authority to use the official API monogram

• Specification 

  Model	YC90	YC135	YC170	YC225	YC315	YC450	YC585
  Max. hook load KN	900	1350	1700	2250	3150	4500	5850
  OD of sheave mm(in)	762 (30)	915 (36)	915 (36)	1120 (44)	1270 (50)	1524 (60)	1524 (60)
  Qty. of sheave	4	4	5	5	6	6	7
  Drill line diameter mm(in)	26 (1)	26 (1)	29 (1 1/8)	32 (1 1/4)	35 (1 3/8)	38 (1 1/2) Mud Pump For Drilling,F1000,F800,F500 Tools&Liners Free U.S Prefer,Warehouse Supply Free Member 0 Chinese Supplier Location:Chengdu,Sichuan,China Business Type: Main Products:Our products include mud pump, mud pump package, drawwork, rotary table, swivel, travelling block ,crown block and 3000-9000meters drilling rig etc Chengdu Zhonghang Machinery Co., Ltd. was established by Chinese oil drilling rig experts with good experience in the rig manufacturing field. We have a number of patented technologies, a wealth of design experience, sophisticated manufacturing processes and on-time delivery. Created 10 years ago, our "TigerRig" brand trademark is now well known in China. We have 20 years of experience in drilling rig manufacture. Up to now, we have developed more than 80 kinds of rigs operating well in major American oilfields. More+ Mud Pump For Drilling,F1600,F1300,F1000 Tools&Liners Free U.S Prefer,EMSCO copy,Warehouse mud pump for drilling,F1600 tools&liners free U.S prefer,warehouse,than 8yrs life Mud Pump For Drilling,F1000,F800,F500 Tools&Liners Free U.S Prefer,Warehouse Supply Mud Pump For Drilling,F1000,F800,F500 Tools&Liners Free U.S Prefer,Warehouse Supply Send Inquiry to This Supplier Title From* toTerry Liu Message* Minimum Order Quantity* Unit 20' Container 40' Container 40' HQ Container Piece(s) Bag(s) Box(es) Foot(Feet) Meter(s) Pair(s) Ream(s) Roll(s) Set(s) Square Meter(s) Square Foot(Feet) Ton(s) Yard(s) Other Verification Code* Specialized Industries