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2013
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Invention
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Petal control valve with sealing gasket for separable connection units for flexible hoses. A cont... |
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Invention
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Control valve with pairs of petals with different shape and sizes and with different closing spee... |
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Invention
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Petal control valve for separable connection units for flexible hoses. Control valve (5, 5′) for ... |
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Invention
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Petal control valve for separable connection units for flexible hoses. Control valve (5, 5') for ... |
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2011
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Invention
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Control valve for separable connection unit for flexible pipes. A control valve for connection un... |
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Invention
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Device for automatic closure of control valves in separable connection units for flexible pipes. ... |
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Invention
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Control valve for separable connection unit for flexible pipes. A control valve (5, 5') for conne... |
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Invention
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Device for automatic closure of control valves in separable connection units for flexible pipes..... |
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1996
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G/S
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Junctions, connectors and couplings of metal for rigid and flexible pipes, spherical and disk val... |
