Logo
Home / / products / Neles™ BW Series

Neles™ BW Series

About Neles™ BW Series

Neles™ BW series metal seated double eccentric disc valve is designed for both control and tight shut-off in severe and high pressure services.

Technical Specifications

REQUEST A QUOTE
Description

Neles™ BW series metal seated double eccentric disc valve is designed for both control and tight shut-off in severe and high pressure services. Multiple seat options makes it 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. The BW series is high body pressure rating up to PN400 / ASME 2500 and its outstanding -200°C to +470 °C / -320°F to +880°F temperature rating make it a real problem solver for high pressure applications.


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
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
  • Certified safety performance, capable to SIL 3 level according to IEC61508
  • 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
  • On site interchangeable seat can be replaced without disassembling the disc and shaft. No adjustment or special tools needed
  • Industries:
    • Chemical processes
    • Refinery
    • Petrochemical
    • Steel mills gas services
    • Natural gas
    • Power generation
    • Fertilizers
Downloads