Neles™ butterfly valve, series BW

Features

• The solid metal seat design relies on metal-to-metal contact for tightness
• Tightness is achieved without the need for resilient components
• The valve has excellent control and on-off capabilities
• The design adheres to API 609 and ASME B16.34 standards
• The valve meets low emissions requirements outlined in ISO 15848
• It is certified to achieve safety performance up to SIL 3 level according to IEC61508
• The mounting face conforms to ISO 5211 standards
• The valve can operate in an extremely wide temperature range of up to +470 °C / +880 °F
• It has a fire safe certification according to API 607, 6th edition
• The valve has wide rangeability in services with low pressure drop
• Its two-piece shaft design enhances valve capacity
• The valve is equipped with in-built thermal and pressure compensation
• Its heavy-duty stem and bearings design extends service life and is resistant to thermal cycles and impurities
• The valve has the smallest operational torque in the industry, resulting in a cost-efficient valve package
• The seat can be replaced on-site without disassembling the disc and shaft, and no adjustment or special tools are needed