KDV Diaphragm Valve Unlined - Straight through type Product

KDV Unlined – Straight Through Type

KDVs Straight Through Type Diaphragm Valves offer exceptional durability, reliability and control. The clean design completely isolates line media from the mechanical components of the valve.

Features & Benefits

  • Bubble-tight shutoff (Class VI)
  • Cavity free design
  • Easy/low maintenance
  • In-line serviceable (top entry)
  • No stem seal leakage
  • Standard Position indicator

Applications

  • Slurries
  • Water and waste water
  • Organic sludge
  • Effluent treatment
  • Lime solutions
  • Cement
  • Ceramics
  • Sugar
  • Mineral Sands
  • Mining/Minerals Processing
Nominal Size:  DN15-DN300
Face to Face: BS, DIN, MSS
Flange Drilling: ANSI#125/150, PN10/16, Table D/E, JIS
Pressure: Up to 10 Bar *Max pressure varies across size range

Material of Construction

Diaphragm Materials

10 – Natural rubber (NR)
20 – EPDM rubber
30 – Butyl rubber (IIR)
40 – Nitrile rubber (NBR)
50 – Neoprene rubber (CR)
60 – Hypalon rubber (CSM)
70 – Viton rubber (FKM/FPM)
92 – PTFE/EPDM backed
93 – PTFE/Butyl backed
96 – PTFE/Hypalon backed
97 – PTFE/Viton backed
98 – PTFE/Silicon backed
9D – TFM/PVDF/EPDM (3 PIECE)
9R – TFM/PVDF/EPDM (3 PIECE
with titanium Connector)
NB: Vacuum grade diaphragms available on request

Design Standards

EN13397-2001 (BS5156:1985)
MSS SP88-1993-(R-01)

Testing Standards

EN12266-1 2002(BS6755 Part 1)
MSS SP88-1993-(R-01)

Brochures

kdv weir type straight through range brochure

ST Range Brochure

1.94 MB
KDV actuation brochure

Actuation Brochure

1.45 MB
KDV weir type diaphragm brochure

ST Diaphragms Brochure

707.23 KB

Data Sheet

MSS SP88-1993-(R-01)
PDF ICON

DN25-DN200 Rising Handwheel

287.68 KB
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DN25-DN200 Non Rising Handwheel

263.71 KB
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DN250-DN300 Non Rising Handwheel

232.58 KB
EN558-1 Series 7(BS5156) EN558-1 Series 1(DIN3202-F1)
PDF ICON

DN25-DN200 Rising Handwheel

288.42 KB
PDF ICON

DN15-DN20 Non Rising Handwheel

263.75 KB
PDF ICON

DN25-DN200 Non Rising Handwheel

263.97 KB
PDF ICON

DN250-DN350 Non Rising Handwheel

240.50 KB
EN558-1 Series 7(BS5156)
PDF ICON

DN25-DN200 Rising Handwheel

288.57 KB
PDF ICON

DN15-DN20 Non Rising Handwheel

263.89 KB
PDF ICON

DN25-DN200 Non Rising Handwheel

264.16 KB
PDF ICON

DN250-DN350 Non Rising Handwheel

233.27 KB

Installation and Operation Manual

PDF ICON

KDV Diaphragm Valves Service

955.41 KB