Forged and cast steel valves for on-off and throttling duties, up to Class 4500.
Every SINER valve is designed, built and tested to international standards. Tell us your process conditions and we will recommend the right design, or engineer one when a standard product does not fit.

Pressure-seal gate, globe and check valves for main steam, feedwater and other high-energy piping. SINER has built large-bore P91 pressure-seal valves since 1987.




Control, shut-off and pump-protection valves for erosive, high-temperature and high-cycle duties.




Corrosion-resistant valves in stainless steel, duplex and high-nickel alloys for aggressive media and harsh environments.



Tell us the valve type, size, class and service conditions.
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