Industrial-process control valves
Sizing, flow capacity, inspection and routine testing of industrial-process control valves.
Codes and standards cited in the PetroBest and Flowbetter 2025 catalogues, and the products that cite each one. PetroBest co-authored two of them.
Sizing, flow capacity, inspection and routine testing of industrial-process control valves.
Seat leakage classes (Class II–VI) and the test procedure for each.
Shell and seat pressure tests for industrial metallic valves, with leakage rate categories.
Design, manufacture and testing of ball, gate, plug and check valves for pipeline service.
Wellhead and christmas-tree equipment, including valves and chokes, for pressure-controlling service.
Gas pressure regulators for inlet pressures up to 100 bar.
Safety shut-off devices for gas pressure regulating stations, inlet pressures up to 100 bar.
Functional requirements for gas pressure regulating stations for transmission and distribution.
Chinese machinery-industry standard for skid-mounted gas pressure regulating installations.
CNPC enterprise standard for pressure regulating devices in natural gas transmission stations.
Rules for the design, fabrication, inspection and testing of pressure vessels (Section VIII, Division 1).
Chinese national code for the design of gas transmission pipeline engineering.
Standard references are taken from the PetroBest 2025 catalogues. Applicable codes are confirmed per project.
Tell us the code, pressure class and end user. We confirm compliance per project and return a technical proposal.