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Three -eXocentric disk shutter of the BN series

BN1 series triple eccentric butterfly valve

The BN1 series triple eccentric butterfly valve adopts a three-dimensional eccentric design principle, featuring soft sealing, multi-layer soft/hard sealing, and full metal sealing processes to significantly reduce operating torque, achieving labor-saving and energy-efficient performance. This series not only withstands extreme high-temperature and high-pressure conditions but also delivers exceptional sealing capabilities with its hard-seat surface welded with cobalt-based alloy for enhanced wear resistance and extended service life.

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Model:
BN

Unique structure with low torque requirement
Compact & lightweight design, flexible operation with labor-saving convenience
Reliable sealing performance meeting various international standards
Excellent flow characteristics with adjustable control function
Eccentric principle design achieves near-zero wear on sealing surfaces, extending service life
Wide application range for water, steam, oil, air, gas and other media
Broad temperature adaptability (-46°C to 650°C) with corresponding structural options
Suitable for pipelines in corrosive environments and various working conditions
Multiple connection types: RF/RJ/FM flanges, wafer-type (double-clamp), and lug-type
Face-to-face dimensions comply with GB/T 12221-2005, ASME B16.10, API 609 or ISO 5752 standards