Industry & Business

Exploring Carten’s BNW Series Weir Diaphragm Valves, designed manufactured and supplied from our Waterford facility

Exploring Carten’s BNW Series Weir Diaphragm Valves, designed manufactured and supplied from our Waterford facility

April 22
14:33 2016

Carten Controls BNW SeriesTogether with Fujikin, Carten design, manufacture and supply customised media flow solutions by utilising products from Carten-Fujikin’s global network that deliver efficiency, reliability, safety and performance to specification and global standards. Carten valves are utilised globally in a wide variety of applications and systems in the most demanding industries. These include bulk gas delivery, lateral distribution systems, filter-skids, purifiers, valve manifold boxes (VMBs), valve manifold panels (VMPs), gas panel, solvent, hook-up and gas cabinet applications. Carten is firmly established as a leading and innovative valve supplier to blue-chip global customers in the semiconductor, LED, photovoltaic and LCD markets. Our commitment to our customers and quality is demonstrated through our on-going membership and certification to the IS EN ISO9001 standard and PED certification by the implementation of continuous improvement initiatives throughout the company.


Over the years Carten-Fujikin has developed and perfected an optimal valve and sealing design to increase performance, durability and efficiency for demanding Biotech, Pharmaceutical, Food & Beverage process systems where purity, hygienic and sterile conditions are essential for product yield.  The BNW series weir soft-seal diaphragm valve are available in 2-Way, 3-Way and Multi-Port configurations with tube stub and clamp end connections. The BNW series is available with both primary PTFE diaphragm and one piece EPDM diaphragm options.  The innovative deep drawn actuator top works for manual and pneumatic versions facilitates a light weight and ergonomic valve product suitable for bioreactors, fermenters, buffer vessels, process distribution, chromatography skids and centrifuge skids. Carten-Fujikin’s BNW series diaphragm valves provide the lowest total cost of ownership (TCO) for end-users, equipment makers and system owners through reduced retorquing and minimal diaphragm replacement.


Carten-Fujikin’s BNW series soft-seal weir diaphragm valve provides the most efficient and best-in-class total cost of ownership (TCO) for mission critical sterile processes.  Key product features include:

  • ASME BPE Compliant Design and Dimensions
  • SIP500 Rated Life Durability (ASME BPE rating)
  • Compact and Light Weight Deep Drawn Stainless Steel Top Works
  • Reduced Polymer Cold Flow Sealing Design
  • Reduced Total Cost of Ownership for Process Systems
  • Primary PTFE Diaphragm with EPDM Back Up
  • One Piece EPDM Diaphragm Option
  • Resin Manual Handle Option
  • Conventional 2-Way Hygienic Clamp or Butt Weld End
  • 3-Way Zero Dead T (ZDT) leg configurations
  • SIP & CIP Capability


For further details on the BNW Series Weir Type Diaphragm Valves contact Carten on 00353 51 355 436 or email

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