Yongyuan is the professional API 6D flanged swing check valve manufacturer in China. All valves passed through pressure test before dispatch. Most of our check valves shipped to North American markets. The working pressure covers class 150#, 300# and 600#. Carbon steel WCB or LCC can be chosen for valve body on request. Size ranges from 2” to 12”. These valves are widely used in oil and gas industry.
Read MoreSend InquiryYongyuan is a large-scale grooved ball valve full port manufacturer in China. The full port design provides efficient control of fluid in piping systems. The valves are furnished with grooved ends conforming to AWWA C606 requirements. Two-piece and end-entry design, size ranges from 2” to 4”. The working pressure is 1000psi for 2”-3” and 750psi for 4”.
Read MoreSend InquiryYongyuan works as the reliable grooved ball valve reduced port manufacturer in China. The end-entry valve designed for WOG services, normally used in oil and gas fields. It has a blow-out proof stem design, with low operating torque and high CV. Grooved end dimensions conform to AWWA C606. The working pressure is 1000psi for 2”-4” and 1500psi for 6”.
Read MoreSend InquiryWith 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.
Read MoreSend InquiryYongyuan works as a China based OEM manufacturer for oilfield threaded ball valve. By utilizing our expertise in design and manufacturing, we provide NPT ball valves for oil and gas industry. All these valves conform to NACE MR0175 requirements. They’re full opening to ensure a low pressure drop. Body materials are available in cast iron and cast steel. NPT threaded ends are on both sides.
Read MoreSend InquiryWith 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.
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