7 5000PSI 11 5000PSi HRSB rongsheng BOP spare

• Ram Assemblies: Including pipe rams, blind rams, shear rams, and variable bore rams (VBR) for various pipe sizes.
• Sealing Elements: Such as spherical packing elements for annular BOPs and various front seals, top seals, bonnet seals, and blade seals for ram BOPs.
• Actuation Components: Parts like the locking shaft and cylinders for hydraulic operation.
• Gaskets and O-rings: Essential rubber seals for maintaining pressure integrity.
• Adapter Flanges: Such as double studded adapter flanges (DSAF). 

• Manufacturer Contact: To inquire about specific parts or request a quote, you can contact HRSB (Rongsheng) via www.fengliangpetroleum.com  or the contact information Tianjin Dongrui Petroleum Machinery Co.,Ltd www.dongruipetroleum.com  provided in their materials.
• Authorized Suppliers: Various third-party suppliers also offer new and used HRSB parts, often manufactured to the exact specifications and interchangeability.

• Documentation: Operating manuals are available for specific BOP models (e.g., 13 5/8"-10,000psi) which include detailed parts lists and maintenance procedures to aid in ordering correct spares.
•