As one of the biggest Chinese manufacturers, Yongyuan can supply full range of API 6D flanged swing check valve, with best quality and reasonable price. Our valves are designed according to API 6D and ASME B16.34 standards and flanged end meets ASME16.5.
Class series of 150, 300 and 600 are available
WCB or LCC Cast Body and AISI 1025 Adapter
Integral or replaceable seat available
Valves designed to API 6D ASME B16.34 standard
Valves flanges ASME B16.5 standard
316SS disc standard
Bolted bonnet with tap is standard
NACE MR0175
API 6D Flanged Swing Check Valve Class 150#, 300#, 600#
API 6D Flanged Swing Check Valve Class 150#, 300#, 600#
Q: Are your company certified by API?
A: Yes, Yongyuan was approved by API in 2012, API license number is 6D-1242.
Q: Are you manufacturer or trading company?
A: We’re the valve manufacturer with 50years history.
Q: How do you test API 6D flanged swing check valves?
A: We do inspection and testing strictly according to API 6D requirements.