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About Us
Our factory is a leading valve manufacturers and suppliers with over 50 years' experience. Our valves are widely used in the chemical, pharmaceutical and water treatment industries, especially in oilfields. As the council members of China Valve Association, we’re designated as one of the best chemical equipment suppliers. In 1998 we started export business, our main products are ball valves, check valves and api 6d ball valve. Now most of them ship to USA directly.
Featured Products
API 6D 3 PIECE Trunnion Ball Valve
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.
API 6D 2 PIECE Trunnion Ball Valve
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.
API 6D Floating Ball Valve
Yongyuan is the professional API 6D Floating Ball Valve manufacturer in China, with ISO 9001 certificate. We have been specialized in oil and gas fields for 25 years. Most of our ball valves shipped to American markets. The quality meet ASME B16.34 B16.10 B16.5 and BS5351. Carbon Steel WCB or Stainless Steel can be chosen for valve body and adapter on request. There’re three different working class 150#, 300# and 600# for selection. All valves passed through pressure test before dispatch.
INQUIRY NOW
For inquiries about our ball valve, check valve, api 6d ball valve, etc. or pricelist, please leave your email to us and we will be in touch within 24 hours.
New Products
Threaded Ball Check Valve
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.
Threaded Swing Check Valve
Threaded swing check valves are main products made by Yongyuan in China. These valves are designed to prevent backflow of liquid or gas in pipeline. Materials of construction 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. NPT threaded ends are on both sides.
API 6D Wafer Swing Check Valve
Chinese manufacturer Yongyuan provides API 6D wafer swing check valve for oil and gas fields. Carbon steel ASTM A216 WCB is chosen for body material. There’re three different working class 150#, 300# and 600# for selection, size ranges from 2” to 12”. The valves are designed to full port bore for maxim flow and less clogging.
API 6D Flanged Swing Check Valve
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.
Grooved Ball Valve Full Port
Yongyuan 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”.
Grooved Ball Valve Reduced Port
Yongyuan 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”.
Threaded Ball Valve Bolted Body
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.
Oilfield Threaded Ball Valve
Yongyuan 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.
