BRAND | Duvalco |
Product | DN250/10"LT/S55 |
Description | butterfly valve. |
Internal code | IMP3846461 |
Technical specification | bare shaftend Dwrg. No. 55218 Service conditions : - Medium: Ballast water - Working pressure: 16.0 bar g - Test pressure seat: 17.6 bar g, bi-directional 100 % tight shut-off - Temperature: Ambient Flange connections: Suitable for mounting between DIN-PN16 RF flanges Specification: - Material Body: Nosular Cast iron EN-GJS-400-15 to EN 1563 - Material Disc: Aluminium Bronze ( AB2 ) CuA110Fe5Ni5 to EN1982 Table 34 - Material Shaft: Stainless Steel 431 / 1.4057 - Material Liner: NBR, vulcanized to the entire body interior and extends over the flanges faces eliminating the use of the gasckets - Material Bearing: Nronze ( Rg7 ) CuSn7Zn4Pb7 to EN1982 Table 25 - Material Pins: Monel K-500 BS 3076-NA18 Valve specification: Duvalco wafer lugged pattern butterfly valves type LT/S55-, concentric design with dri;;ed bolt holes, generally in accordance to EN 593 Type Actuator: Bare shaftend OR gearbox |
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