Tianjin Dongrui Petroleum Machinery Co.,Ltd produce 100%exchanged with ROngsheng BOP spare

The product can match and interchange with the equipments of most of thedomestic BOP manufactories,(such as Shanghai Shenkai,HuabeiRongsheng,Chuanyou Jingkong,Bao Oil,Jiangsu Xinde,Jiangsu Sanyietc);After the application in the oil fields over the years, it has been provedthat all the technical requirements and performance of our products canreach the standards of and be interchangeable with the products of Hydril

Rongsheng Hydril Type MSP 21″ (21-1/4″) blowout preventer annular/diverter rebuilt, with a 21-1/4″ bore size,  2000 psi working pressure, Flanged (R-73) Bottom x Studded (R-73) Top c/w New Aftermarket Nitrile Packing Unit c/w New Seal Kit c/w Data Package, lightweight, compact MSP provides both diverter and annular BOP functionality. Made in USA.

Rebuild work performed by an API 16A shop and comes with the following certifications and testing:

Hydrostatic Shell Test at 1.5x times working pressure
Hydrostatic working pressure for element & wellbore
Hydraulic function test element
Mag Particle on all welds
Liquid penetrant
Certified King Test for material hardness