Neles Series BW Butterfly Valve for Industrial Applications

Neles™ Butterfly Valve, Series BW, is a problem solver for high-pressure applications. The BW series metal-seated double eccentric disc valve is designed for both control and tight shut-off in severe service conditions. With multiple seat options, it is well-suited for the refining, power, petrochemical, and chemical industries. The BW series provides extended operational life in high-cycle, high-temperature, and abrasive applications.

Benefits

low cost of ownership.
minimized pressure loss and energy costs of the process.
consistent performance even in the most difficult, changing process conditions.
shortest possible maintenance hours.

Features

solid metal seat design, based on metal-to-metal contact.
no resilient components needed for tightness.
excellent control and on-off capabilities.
design according to api 609 and asme b16.34.
low emissions according to iso 15848.
certified safety performance, capable to sil 3 level according to iec61508.
mounting face according to iso 5211.
extremely wide temperature range up to +470 °c / +880 °f.
fire safe certification according to api 607, 6th edition.
wide rangeability in services with low pressure drop.
two piece shaft design.
industry best valve capacity.
in-built thermal and pressure compensation.
heavy-duty stem and bearings design extends service life and is insensitive to thermal cycles and impurities.
industry smallest operational torque resulting in cost efficient valve package.
on site interchangeable seat can be replaced without disassembling the disc and shaft. no adjustment or special tools needed.

Applications

chemical processes.
refinery.
petrochemical.
off-shore.
steel mills gas services.
natural gas.
power generation.
fertilizers.

Specifications

body constructions:
– flanged short and long pattern.
– lug and wafer design.
– butt weld ends.
body pressure rating: pn 63 – 400 / asme class 600 – 2500.
seat design: single u-type metal seat.
size range: dn 100 – 1600 / 4″ – 64″.
temparature: -200 to +470 °c / -320 to +880 °f automated control valves globe control valve segment valves eccentric rotary plug control valve industrial butterfly valves ball valves resilient seated valves ptfe valve flowrox pinch valve automatic control valves resilient seated butterfly valve knife gate valves emergency shutdown valve pneumatic actuators intelligent safety solenoid control valve sizing software manual valves neles actuator ebro actuator neles valves ebro valves limit switch sensor air operated solenoid valve progressive cavity pump peristaltic pumps dosing pump pump metering.