KDV diaphragm valve WCB/Stainless Steel - Weir type / product image

WCB/Stainless Steel – WT

KDVs Weir 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

  • Water and waste water
  • Organic sludge
  • Effluent treatment
  • Lime solutions
  • Gases (e.g. compressed air)
  • Lubricating oil

 

 

Nominal Size:  DN15-DN350
Face to Face: BS, DIN, MSS
Flange Drilling: ANSI#125/150, PN10/16, Table D/E, JIS
Pressure: Up to 16 Bar (Elastomer Diaphragm)*
Up to 10 Bar (PTFE Diaphragm)*
*Max pressure varies across size range

Material of Construction

WT Unlined diaphragm valves material

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)

WT Unlined diaphragm valves design standard

Brochures

kdv weir type range brochure

WT Range Brochure

1.92 MB
KDV actuation brochure

Actuation Brochure

1.45 MB
KDV weir type diaphragm brochure

WT Diaphragms Brochure

561.62 KB

Data Sheet

EN558-1 Series 7(BS5156)
PDF ICON

DN15-DN150 Rising Handwheel

355.68 KB
PDF ICON

DN15-DN150 Non Rising Handwheel

276.46 KB
PDF ICON

DN200-DN300 Non Rising Handwheel

277.10 KB
EN558-1 Series 1(DIN3202-F1)
PDF ICON

DN15-DN150 Rising Handwheel

355.39 KB
PDF ICON

DN15-DN150 Non Rising Handwheel

276.30 KB
PDF ICON

DN200-DN300 Non Rising Handwheel

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

DN25-DN150 Rising Handwheel

355.22 KB
PDF ICON

DN25-DN150 Non Rising Handwheel

276.38 KB
PDF ICON

DN200-DN300 Non Rising Handwheel

268.92 KB

Installation and Operation Manual

PDF ICON

KDV Diaphragm Valve Service Instructions

955.41 KB