Manual control and stop valves for building water heating systems. General specifications
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Sleeve type iron plug valves with gland and blind flange for drainage for Py <= 10 kgf/sq.cm
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Ball, lifting-plug and cylindrical cocks for nominal pressure at most PN 250. General specifications
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Flanged steel ball valves
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Taps for gas burning appliances. General technical requirements and test methods
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Pipeline valves. Ball valves of thermoplastics materials. General specifications
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Pipeline valves. Metal ball valves for petroleum, petrochemical and allied industries. General specifications
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Pipe fittings. Methods of experimental determination of hydraulic and cavitation characteristics
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Pipe fittings. Cranes spherical steel all-welded for water thermal networks. General technical conditions
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Valves, type distributing for fuels, oils and special liquids. General technical conditions
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Pipe fittings. Ball valves. The method of force calculation
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