Triple offset butterfly valves Series 3E

The 3E-series triple offset butterfly valves are industrial fittings intended for full opening or closing flow. They may be also used for a rough flow control. The are designed for operation in very hard industrial conditions demanding safety, reliability and minimum maintenance like for example: power industry, crude oil and natural gas, refineries, chemical and petrochemical industry, metallurgy, pulp and paper-making industry, mining industry, heat recovery, steam heating, hydrocarbons processing, fuel storage in aviation industry, food industry. Basic properties: triple offset disc design, bidirectional design, version with nitrided disc (valid for DN150 to DN500), stellited disc for larger sizes on the customers’ demand, used like shut-off or control fittings, excellent tightness (tested according to international standards with high-pressure water or low-pressure air without visible leakage, easy operation, repairs and maintenance, easy assembly in piping, eccentric disc position in the body. Precise connection of the disc with the stem and pivot. Exact shaft and pivot bearing in the slide bushings, ATEX certified for explosive atmosphere, option: TA-Luft sealed valve with special shaft gland.

Body construction: Wafer type body; Lug type body; Double-flanged body

Face to face acc. to:  EN 558 Series 20;  ISO 5752 Series 20;  API 609 Table 3

Flange accommodation acc. to: EN 1092-1, 2; ANSI B16.5, DIN 2631 – 35

Top flange acc. to: EN ISO 5211

Marking acc. to: EN 19

Tightness check acc. to: EN 12266-1, CLASS A; ISO 5208, CLASS A; API 598, Table 5

Applications: Chemical industry, Power Generation, Oil & Gas, Mining, Pulp & Paper, Food & Beverage

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