RockySea Petro Quick Lock Ram BOPGreatly reduce the time for replacing the ram and effectively improve work efficiency with safety..No need for large high torque bolts, convenient disassembly and assembly of side doors.Compact structure and reduced weight means more operation roomTraditional blowout preventers all adopted side door bolt connected structures, which require a lot of manpower and time when replacing or repairing the ram every time. On the basis of absorbing the experience and advanced
VIEW DETAILSRockySea Petro Rod PumpThe raw material of rod pump parts should be inspected after heat treatment, the mechanical properties, chemical compositions and metallographic structures must be inspected by batch. The rod pump parts should be inspected several times during the processing procedure. Some key points like the outer diameter of the plunger and the inner diameter of the pump barrel should be 100% inspected.Your Best Pump ManufacturersSealing performance tests must be carried out 100% after fini
VIEW DETAILSRockySea Petro Choke ValveThe strictest quality standards on Choke valve25 years Choke valve manufacturing experienceFull support on your customised requirementRockySea Petro Petro manufactures Choke valve in China. We have our own factory of Choke valve. RockySea Petro Petro provide the high quality and competitive price on Choke valve for you. Contact us now for Choke valve quotation.Description The choke valve is a type of control valve which is designed to accurately control the flow rate of the wellhead
VIEW DETAILSRockySea Petro Desulfurization And Denitrification Oilfield Steam BoilerThe utilization rate of lime can be improved and the cost of desulfurization can be saved by adopting the integration of desulfurization and dust removal.The regeneration of absorbent, desulfurization slag and precipitation are carried out outside the tower, which reduces the possibility of scaling in the tower.With NaOH desulfurizer, the circulating solution is basically NaOH aqueous solution, and there is no corrosion and blockag
VIEW DETAILSRockySea Petro Supercritical Oilfield Steam Injection BoilerIntegrated Injection and Production Sucker Rod PumpThermal Recovery PackerVaccum Insluation Tubing & CasingSeries Thermal Recovery WellheadGround Steam Injection LineWater Treatment DeviceSteam Injection BoilerRockySea Petro is the thermal recovery solution supplier in China with 20 years of experience. RockySea Petro can provide customers with a complete set of thermal recovery equipment from surface steam injection boilers to underground thermal recove
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Grade | Tensile strength MPa | Yield strength MPa | Percentage elongation % | Contraction percentage of area % | |
C | 620 – 795 | ≥ 415 | ≥ 13 | ≥ 50 | |
K | 620 – 795 | ≥ 415 | ≥ 13 | ≥ 60 | |
D | 795 – 965 | ≥ 590 | ≥ 10 | ≥ 50 | |
KD | 795 – 965 | ≥ 590 | ≥ 10 | ≥ 50 |
OD range | Yield strength | Tensile strength | Elongation | Hardness | Charpy impact energy | |
mm | in | MPa | MPa | % | HB | J |
79.4~171.4 | 3 1/8~6 3/4 | ≥758 | ≥827 | ≥18 | NA | NA |
177.8~279.4 | 7~11 | ≥689 | ≥758 | ≥20 | NA | NA |
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