China Female NPT Ball Check Valve Manufacturers, Suppliers, Factory

As the professional Chinese manufacturer, Yongyuan would like to provide API 6D 2 PIECE trunnion ball valve, in strict accordance with ASTM, API and other standards. Each valve has been pressure-tested before shipment to meet API requirements. Positive stem retention is achieved within the valve body. They’re used in transmission pipelines, terminals and storage of oil and gas fields.

With 30 years manufacturing experience, Yongyuan provides durable threaded ball valve bolted body from China. These valves are produced in conformance to oilfield industry requirements. Two-piece bolted design with a flanged body and adapter, providing solid connection to eliminate risk of end adapter blowout. Ball includes pressure equalization hole to prevent trapped pressure in the body cavity.

As the professional manufacturers, Yongyuan would like to provide you Threaded Spring Check Valve. And we will offer you the best after-sale service and timely delivery.

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 can supply threaded ball check valve directly from China, with high quality and competitive price. They’re available in sizes 1” & 2”, pressure from 2000psi to 5000psi. Body materials are available in ductile iron, carbon steel and stainless steel. All of our ball check valves conform to NACE MR0175 requirements. We test every valve to API 598 requirements and maintain material traceability.

With 50years history, Yongyuan works as a reliable API 6D 3 PIECE Trunnion Ball Valve provider from China. The API 6D 3 PIECE trunnion ball valve complies with API 6D, ASME 16.34, API 608 and other relevant ASTM specifications. Valve body and adapter material is forged steel A105, fire safe graphite rings is used to protect against external leakage. Every valve is manufactured to comply with NACE standards. It’s suitable for pipeline where zero leakage positive shutoff is critical.