PZ30 Hydraulic Disc-brake with API standard for JZ50 oil & gas drilling rig brake system
It can realize the functions of working brake, parking brake and emergency brake to meet the requirements of drilling technology to the greatest extent.With power, gas, low oil pressure automatic brake protection function.
Product Introduction
1. Adopt redundant design to provide safe and reliable brake torque for drilling machine.
2. It can realize the functions of working brake, parking brake and emergency brake to meet the requirements of drilling technology to the greatest extent.With power, gas, low oil pressure automatic brake protection function.
3. The HPU is equipped with double electric pumps, four sets of accumulators and manual oil pumps, heaters and cooling devices to provide reliable and continuous hydraulic power.
4. The control system is connected with a valve block embedded structure with few external pipelines.The control mode includes full liquid control and electronic liquid control.
Product Parameters
| Model | PZ30 | PZ40 | PZ50 | PZ70 | DPZ70 |
| working clamp | stroke (mm) | 30 |
| single side max pressure (kN) | 50 | 75 | 90 |
| safety clamp | single side max pressure (kN) | 50 | 90 | 90 |
| brake block | thickness (mm) | 20 |
| min thickness (mm) | 12 |
| HPU | rated pressure (MPa) | 6.5 | 8 |
| single pump flow (L/min) | 15 |
| Accumulator capacity(L) | 6.3×4 |
| oil tank (L) | 150 |
| motor power (kW) | 3×2 |
| cooling | water cooling | wind cooling |
Factory firstly equipped dual-loop hydraulic disc-brake device with 3 sets of 4000m-route drilling rig winch in our country. In 1999, we successfully handed over 5 sets of brake-disc of drilling rig for Daqing Oilfield at one time, thereafter, by endlessly improved, up-graded, popularized, our disc-brake devices are approved more and more at home. We have supplied total 460 sets of mechanical brake handle and electronic brake handle for 1500m~12000m route drilling rig. In 2014, we product 160 sets just in 1999. Service tongs and safety tongs manufactured by ours are patent product.
Characteristics of our disc-brake device.
1.Number of service tongs and safety tongs are on an equal matching according to number(same to 9000m,12000m rig),brake torque of service tongs and safety tongs are meet requirement of max.brake torque (more than the requirements stipulated in national standard), as result,brake combined torque is much bigger,which avoids accident taking place frequently caused by number lacking of safety tongs (parking tongs) and small brake torque of safety tongs.
2.By taking advantage of experience of abroad,electric ctrl pneumatic valve is adopted to loop ctrl of electronic brake handle in order to control hydraulic direction-changing valve to realize working ctrl of brake tongs, which avoids liable valve blocked accident caused by overheating from big electric-magnetic power of hydraulic direction changing valve.
3.Dual fail-safe design is adopted in the ctrl loop of safety tongs. Hydraulic direction changing valve is set as one opened and one closed,that is to say,one for used the other for reserve working together, which avoids valve blocked accident cause by overheating and particle in the oil.
4.Equipped with hand pump, which can ensure brake-brake device working at any time on the working condition without power and pneumatic supply
5.Equipped with oil feeding and self-circulating filtration device, which can reduce pollution of hydraulic system,and mostly reduce breakdown.
ATO Advantages:
1 Customize products with different repuqirements for customers
2 All factory are designated by Sinopec&CNPC
3 Raw materials are strictly tested,confirm to API standards
4 Strong professional team, find the most suitable products for customers
5 Customer -Focused, to provice reliable and efficient one-stop worry-free service
6 High quality pumps parts supplier
7 Assurance pf reliable source
8 Flexible solutions for all your questions
9 safe and convenient logistics channel
10 perfect after-sale tracking service team, provice one to one service to customers in time
Why choose ATO ?
1 Strict quality control
2 Excellent cooperative factories that must be supply products to original factory
3 According to API standard, all of manufacturer have API license
4 Advantage price with high quality product
5 Provide cost-effective Customization product
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