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Double Offset Butterfly Valve https://www.tanghaivalve.com/double-eccentric-butterfly-valve-th-btv-de/
Double eccentric butterfly valve is also called high-performance butterfly valve, which is mainly used for water drainage in water plants, power plants, steel smelting, chemical industry, water source engineering, environmental facilities construction, etc.
Fire-proof valve is tested to API 607 4th Edition and BS 6755 Part II
Fixed collar is installed in the top of axis, 2″-24″(DN50-600), when axis breaks accident, avoid the upper part to move out of gland.
CE marked and documented valves that conform to the European Pressure Equipment Directive (PED) 97/23/EC are available in ANSI Class 150/ 300, both standard and Fire-Tight construction.
Operating torques, construction potions and valve dimensions are exactly the same as the standard ANSI 150/300 offering.
For more details visit our site: https://www.tanghaivalve.com/double-eccentric-butterfly-valve-th-btv-de/