Valve construction

Applications

Plant construction, chemicals, petrochemicals, long-distance energy, potash industry, power-station technology, food industry, pharmaceuticals, oil industry, cement and construction-material industry, sugar industry, gas supply, water and sewage-treatment, environmental technology;

Ranges of dimensions

AD min.: 50 mm, max.: 1,500 mm, ID min.: 25 mm, max. cast weight: 3.3 t, max. cast length: 5 m, max. length: 8 m (welded construction)

Components

Balls, segment balls, seat rings, flanges, perforated-drum driers, twin-ball housings, seal mountings, clamping rings, spacer rings, tubes, bushings;

Special requirements of the materials used

Depending on application: Extreme toughness, high resistance to corrosion, high wear-resistance, good welding properties, highly resistance to chemicals, resistance to high and low temperatures, stability when under pressure and high resistance to cavitation;

Material groups

Duplex steels (standard duplex, lean duplex, high-carbon duplex, super duplex), austenitic, nickel-based alloys

Materials

1.4470 (1.4462), 1.4463, 1.4408 (1.4401), 1.4409 (1.4306), 1.4308 (1.4301), 1.4309 (1.4306), 1.4392 (1.4362), 1.4469 (1.4410), J93371 (1.4460), 1.4468, 2.4836, N26022, N24135, 1.4581 (1.4571, 1.4580)*

* Materials listed in italics are those that consist of our material-matched forged alloys