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Pressurized fluid control device with a safety closure for a compartment containing the pressurized fluid
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System for reciprocally blocking mechanical elements defining a pressurized compartment
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Apparatus for partial electrodecarbonation of water, preferably for domestic use
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Improved multiple valve for water purification systems for civil and/or industrial use
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Fluid control valve - with pilot operated tee-plunger having spiral slots in cylindrical recess, used in water purificn. plants
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Fluid control valve - with pilot operated tee-plunger having spiral slots in cylindrical recess, used in water purificn. plants
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Hydraulic distributor for actuating multiple change-overs in apparatus for purifying waters by chemical distillation
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Fluid control valve - with pilot operated tee-plunger having spiral slots in cylindrical recess, used in water purificn. plants
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