BNW Block Series

BNW Block Series

Sanitary Diaphragm Valves

The BNW block series contains all the advantages of the BNW standard series, with bespoke designs and features ensuring the lowest hold-up volume in the industry.

BNW Block Series

Key Features

Available in line sizes up to 4”

Single polymer bonnet external seal

Pneumatic or manual interchangeability

Standard & bespoke multiport / block options

Typical Applications

Shut-off functionality, control functionality, back-pressure control, automated and with switching/signalling for all upstream and downstream processes (bioreactor, filtration, chromatography, centrifugation etc)

Key Specifications

Materials of Construction Cleanliness Specifications Options

316L stainless body

Manufactured in Clean White Room

100% Leak tested as per ASME BPE / ANSI FCI 70/2 Class VI

Manual or pneumatic

TFM1600 / Reinforced EPDM Diaphragm

Helium leak-tight external sealing

USP Class VI , ISO10993-6, -10, -11

Multiple block orientations and configurations

Barstock / forging-only source

CIP-validated as per ASME BPE / BPPR

Electropolished as per ASME BPE, ASTM A967

4/20mA switching / signalling automation

Stainless thin-wall (deep-drawn) actuator

SIP-validated as per ASME BPE / BPPR

Passivated as per ASME BPE, ASTM B912

6 - 200 Cv (flow coefficient)