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2021
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Invention
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Butterfly valve and stem assembly.
A butterfly valve capable of preventing leakage under demandi... |
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2016
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Invention
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Butterfly valve and stem assembly. A butterfly valve capable of preventing leakage under demandin... |
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2014
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Invention
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Butterfly valve and stem seal assembly. A butterfly valve capable of preventing leakage under dem... |
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2013
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P/S
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Corrosion-resistant metal overlays and alloys for fittings, steel plates, flanges, piping compone... |
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Invention
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Butterfly valve and stem sealing assembly. A butterfly valve capable of preventing leakage under ... |
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Invention
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Bleed ring body |
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Invention
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Plug valve and stem sealing assembly. An improved and more robust plug valve and stem sealing ass... |
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2012
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Invention
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Protection device for a valve positioner.
An improved and more robust protection device capable ... |
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Invention
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Plug valve and stem sealing assembly. A plug valve and stem sealing assembly capable of preventin... |
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2011
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Invention
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Valve and stem sealing assembly. A valve and stem sealing assembly capable of preventing leakage ... |
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P/S
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Valves for controlling and regulating the flow of gases or liquids not being parts of plumbing, h... |
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2009
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P/S
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Automatic valves |
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2006
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P/S
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Manually operated butterfly valves, ball valves and sample
valves, all made principally of metal... |
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P/S
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Plastic liners for metal valves, pipes and fittings. |
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2005
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P/S
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plastic liners for metal valves, pipes and fittings used for prevention of corrosion |
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P/S
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Manually operated butterfly valves, ball valves and sample valves, all made principally of metal;... |