Supplies welhead and Christmas tree suitable for inland and offshore applications to explore, develop and produce oil. Design, produce, manufacture, test and quality control are all according to API 6A latest edition. Our company has got API spec 6A license and API monogram certification. The main pressure containing parts of these products are made of forgings or specially smehed low alloy steel (stainless steel), having high bearing strength. Wellheads manufactured by our company are available in 20,000psi maximum working pressure and 500 tons maximum suspending capacity, material classes from AA through FF, temperature classes from L through V, produce specification levels from 1 through 4 and PR1-2, and are in accordance with NACE Standard MR0175.

Wellheads supplied by Yancheng Sanyi Petrochemical Machinery Co., Ltd. have many different kinds of configurations, meeting requirements of all kinds of bore frames and casing programs, providing service in different working conditions. Christmas trees and auxiliary equipments are available al your option. Wellheads also can be designed and manufactured to clients requirement.

The wellheads and Christmases have won great acdaim from the customers, thereinto, patented product “TFZ35-70A" casing head series was honored with a golden medal at *The Ninth China Patent New Technical & New Product Fair'. The products export in bulk the world marketing of USA, Saudi Arabia, Iran. Uzbekistan, Syria, Indonesia, India, Australia and Kuwait.

Scope of supply

• Working Pressure: 2,000psi ~ 15,000psi

• Nominal Bore Diameter: 7.1/16 " ~ 21.1/4"

• Working Medium: petroleum, natural gas, mud, H2S,

  CO₂

• Temperature Class: -46 C~ 121T <LU Class)

• Material Class: AA-FF

• Product Specification Level: 1 ~ 4

• Performance Requirement: 1 ~ 2

• Can install (pneumatic) hydraulic safety valve