UHP Bulk Diaphragm Valve — BDV Series | Product Series

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UHP Bulk Diaphragm Valve — BDV Series

UHP Bulk Diaphragm Valve — BDV Series

Where to Buy

The BDV Series is a "positive retraction" diaphragm valve that enables precise control of gas and liquid distribution in semiconductor manufacturing processes.

Technical Specifications

  • Body Material: 316L Stainless Steel
  • Diaphragm Material: 316L Stainless Steel
  • Seat Material: PCTFE (std), Polyimide
  • Stem Material: 416 Stainless Steel
  • Knob Material: ABS (std), Aluminum (high temperature)
  • Burst Pressure: 900 psig, 62 barg
  • Proof Pressure: 450 psig, 31 barg
  • Flow Rate: 2.8 Cv
  • Internal Leak Rate: ≤ 1 x 10-9 scc/sec He
  • External Leak Rate: ≤ 2 x 10-10 scc/sec He Inboard, ≤ 1 x 10-9 scc/sec He Outboard
  • Surface Finish: 10 micro inch Ra (Standard)
  • Maximum Inlet Pressure Rating: 300 psig, 21 barg
  • Maximum Operating Temperature: 150°F (PCTFE), 302°F (Polyimide) °F, 66°C (PCTFE), 150°C (Polyimide) °C
  • Minimum Operating Temperature: -40 °F, -40 °C
Safety Warning

Full Product Description

The BDV Series diaphragm valve enables precise control of gas and liquid distribution in semiconductor manufacturing processes.


The BDV is a positive retraction diaphragm valve that features a flexible tied-diaphragm design to control flow of the media. When the valve is actuated, the diaphragm moves up or down. In the open position, the diaphragm lifts, allowing the media to flow. In the closed position, it seals against a valve seat, stopping the flow.


All BDV Series valves are cleaned to exacting semiconductor industry requirements and assembled in class 100 cleanroom environments. Prior to shipping, all valve seals (seat and diaphragm) are 100% Helium leak tested using a mass spectrometer to ensure performance and reliability in demanding UHP applications.

Markets:
•Fluid & gas handling
•Process control
•Semiconductor
•Analytical Laboratory
•Pharmaceutical
•BioPharm
•Aerospace
•Industrial


Applications:
•Semiconductor Sub-Fab gas lateral systems
•Bulk Gas Delivery
•Tool Hook-ups
•Valve Manifold Boxes (VMBs)


Features and Benefits:
•Ideal for high-flow, low-pressure applications
•Standard surface finish of 10 micro inch Ra
•Fully functional from vacuum to 300 psig
•Minimal particle generation and gas entrapment
•Metal-to-metal external seal
•Tied diaphragm eliminates springs in wetted area and enhances safety
•Internal leak rate: ≤ 1 x 10-9 scc/sec He
•Internal leak rate: ≤ 2 x 10-10 scc/sec He
•Flow rate: 2.8

Related Documents

Literature and Reference Materials
BDV Series Product Card
UHP Bulk Diaphragm Valve BDV Series
Veriflo Product Selection & Operation Safety Guide
Product Demos & Tutorials
Veriflo BDV Series Valves Product Video
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