Products

Yongyuan cast steel trunnion mounted ball valves have been pressure-tested before shipment to meet API requirements and used in transmission pipelines, terminals and storage of oil and gas fields. All these valves are in strict accordance with ASTM, API and other standards. The positive stem retention is achieved within the valve body.

Yongyuan forged steel trunnion mounted ball valve is manufactured to comply with NACE standards. It’s the best choice for pipeline where zero leakage positive shutoff is critical.These valves comply with API 6D, ASME 16.34, and relevant ASTM specifications. The forged steel A105 is chosen for valve body and adapter, fire safe graphite rings is used to protect against external leakage.

Yongyuan Female NPT ball check valve are provided from China directly. All these ball check valves conform to NACE MR0175 requirements. Body materials are available in ductile iron, carbon steel and stainless steel. They’re available in sizes 1” & 2”, pressure from 2000psi to 5000psi.

Yongyuan Female NPT swing check valves are designed to prevent backflow of liquid or gas in pipeline. Materials conform to NACE MR0175. Solid stainless steel clapper and hanger reduce the need for separate pins and rollers. They’re available in sizes 1” to 4”, pressure from 2000psi to 5000psi.

As the professional Chinese manufacturer, Yongyuan provides Wafer API 6D swing check valve for oil and gas fields. There’re three different working class 150#, 300# and 600# for selection, size ranges from 2” to 12”. The valves are designed to full bore for maxim flow and less clogging. Carbon steel ASTM A216 WCB is chosen for body material.

Yongyuan is a leading China Female Threaded Vertical Check Valve manufacturers, suppliers and exporter.