1、 Specifications and brief description

Specification: NPS 2-48 (DN 50-1200), Class 150-1500 (PN 16-250)

Description: T70 cast steel top entry trunnion ball valve, T71 forged steel top entry trunnion ball valve, T72 cast steel top entry trunnion ball directly buried ball valve, T73 forged steel top entry trunnion ball directly buried ball valve

2、 Detailed information

Product Overview

The integrated valve body adopts a top entry structure, which eliminates the need to remove the valve from the pipeline during valve maintenance. The valve body and valve cover are connected by bolts, which have the characteristics of online maintenance, reliable sealing, low torque, and free from daily maintenance. It plays a role in guiding/cutting off pipelines and is suitable for media such as oil, gas, and water. It is widely used in oil and natural gas extraction and transportation systems.

The design and inspection can comply with standards such as API 6D, ISO 17292, ASME B16.34, GB/T 19672, GB/T 12224, etc. The fire safety meets the requirements of API 607/API 6FA and has passed test certification. NACE anti-corrosion and acid resistance are optional, and ISO 15848 low leakage is optional.

Main Features 

① Diameter reduction or reduction

② Online replacement of valve seat components for easy maintenance

③ Fireproof, anti-static, and anti valve stem spray

④ Automatic pressure relief protection in the middle chamber

⑤ Buriable extension valve stem

⑥ Trunnion ball valve seats can be selected from single piston, double piston (DIB-1), or mixed piston (DIB-2)

⑦ Trunnion ball valve fully open or fully closed double block discharge (DBB)

⑧ Emergency injection system for trunnion ball valve seat and valve stem