Scan QR code and consult us
All the designs met the criteria of API 6D et al.
Full ports or reduced ports
Fire safety test design
Anti-static design
Anti-burst stem
Overpressure self-relief valve seat design
Integral locking device
The bearing welding end comply to ANSI / ASME B16.11
Threaded ends conforming to ANSI / ASME B1.20.1