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Plastic Lined Weir Type

Features & Benefits

Options & Accessories

Specifications

Drawings & Technical Reference

Nominal Size:

Face to Face:

Flange Drilling:

Pressure:

DN15-DN200

BS, DIN, MSS

ANSI#125/150, PN10/16, Table D/E, JIS

Up to 16 Bar (Elastomer Diaphragm)*

Up to 10 Bar (PTFE Diaphragm)*

*Max pressure varies across size range

Materials of Construction

Diaphragm Materials

Design Standards

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

 

• EN13397-2001 (BS5156:1985)

• MSS SP88-1993-(R-01)

 

Testing Standards

• EN12266-1 2002(BS6755 Part 1)

• MSS SP88-1993-(R-01)

 

DATA SHEET

EN558-1 Series 7(BS5156) - Full Face

EN558-1 Series 7(BS5156) - Raised Face

EN558-1 Series 1(DIN3202-F1) - Full Face

EN558-1 Series 1(DIN3202-F1) - Raised Face

MSS SP88-1993-(R-01) - Raised Face

INSTALLATION & OPERATION MANUAL

• Bubble-tight shutoff (Class VI)

• Cavity free design

• Easy/low maintenance

• In-line serviceable (top entry)

• No stem seal leakage

• Standard Position indicator

Acid (e.g. hydrochloric, sulphuric

nitric)

• Moist chlorine

• Chlorinated water

• Demineralised water

• Salts

• Caustic solutions

• Lime solutions

• Copper chemicals

 

Applications

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.

WT Diaphragm Valve - Plastic Lined

 

WT Diaphragm Valve Range Brochure Actuator Brochure

ACTUATION

BROCHURE

 

WT RANGE
BROCHURE

 

WT Diaphragms

WT DIAPHRAGMS

BROCHURE

Spare Diaphragms

Body Only

Operator Options

Actuation