China Metal Seated Trunnion Ball Valve Manufacturer, Supplier, Factory

LYV®️ is a professional China DBB Inject Ball Valve manufacturer. This is a special type of ball valve that integrates the dual-blocking and venting (DBB) functions. It is specifically designed for critical operating conditions where dual isolation, intermediate chamber pressure relief, and fluid injection need to be achieved within a single volume. This DBB Injection Ball Valve is a key equipment used in the process industries such as oil, gas, and chemicals for safety maintenance, instrument calibration, and chemical agent addition.

LYV® is an established China quality Concentric Wafer Type Butterfly Valve manufacturer. This is a Universal Concentric Butterfly Valve that complies with international mainstream design standards. The Industrial Concentric Wafer Type Butterfly Valve adopts a classic valve stem and butterfly plate coaxial structure, combined with high-performance rubber valve seats, achieving reliable bidirectional sealing. This Flanged Concentric Butterfly Valve, with its compact structure, rapid opening and closing, easy maintenance, and high cost-effectiveness, has become an ideal choice for flow control and shut-off in water treatment, HVAC, and general industrial pipeline systems.

LYV®️ is a leading China quality Double Offset Resilient Seated Butterfly Valve supplier. This Indusltrial Double Offset Resilient Seated Butterfly Valve adopts a double-biased design, which can reduce the excessive compression and wear of the sealing components, thereby extending the service life. The nickel alloy coating on the valve seat surface provides a lower friction coefficient during opening and closing. This High Performance Double Offset Resilient Seated Butterfly Valve offers an efficient solution for applications requiring long service life, low maintenance, and reliable sealing, and is particularly suitable for industries such as chemical, power, and water treatment.

LYV®️ is a China professional cast steel trunnion mounted ball valve supplier.This valve is a high-performance product that meets international standards like API-6A, API-6D, ASME-B16.34, ISO-17292 as well as API-6FA fire certification, which prove product has capacity to use for various fire safe requested applications.It's features high safety, sealing performance and durability, and is suitable for various fire safe requested applications.

LYV®️ Gas-over-oil actuated BW ends ball valve can meet standards such as API, DIN. Produce size range from NPS2 inch up to 24 inch, DN50 to DN600.

LYV® is a professional China quality High Pressure Trunnion Mounted Ball Valve manufacturer. This industrial valve is specially designed for high-pressure working conditions. It adopts a rigid structure of fixed ball at the top and bottom with ear shafts, combined with absolutely reliable high sealing performance. So it is an ideal choice for key pipelines in industries such as petroleum and natural gas, chemical engineering, and power stations.