Oliver Twinsafe GENERAL INFORMATION Oliver Twinsafe offers a range of valves in either full or reduced bore sizes, in ASME pressure classes from 150 to 2500 and API 6A ratings up to 10,000 psi. Both soft and metal seated options are available. These DBB valves are designed to offer one...
Onis QDC
The Quick Rupture Disc Changer (QDC) enables rapid, tool-free disc replacement within minutes, ensuring full safety and minimal downtime for proactive maintenance.
Onis QFC
The ONIS Quick Filters Changer (QFC) allows a single operator to replace a conical strainer within seconds without any tools, eliminating downtime and protecting equipment integrity.
Onis D3B
The Double Block Bleed and Blind is an enhanced version of our Quick Action Line Blind. It offers comprehensive positive isolation in a single device, designed to mitigate human factor risks through a structured operational sequence.
Onis QLB
The Quick Action Line Blind (QLB) is a fast blinding system used to isolate equipment for maintenance or inspection, completing the process in minutes and reducing downtime by up to 95% compared to conventional methods.
Onis
ONIS GENERAL INFORMATION Founded in 1979, Onis is a leading innovator in blinding process piping solutions, delivering equipment that improves safety, productivity, and operational efficiency. With a customer-driven approach, we build long-term partnerships and continuously enhance our products through direct user feedback. Our commitment to technical excellence and sustainable innovation...
Surface Check Valves
Our surface Check Valve range is available in small bore and large bore configurations and offers a flexible approach to solutions where protection against backflow is required.
Surface Gate Valves
BEL Valves’ surface Gate Valves are available in bore sizes from ½” to 56” and pressure ratings ranging from ANSI Class 150 to 15,000 psi.
Subsea Check Valves
Our subsea Check Valve range is available in small bore and large bore configurations and offers a flexible approach to solutions where protection against backflow is required.
Subsea Gate Valves
The BEL Valves subsea Gate Valve range provides the ideal solution for heavy duty on/off applications in the challenging subsea environment and can be supplied in bore sizes from ½“ to 36”.








