DN8-DN15 Weir type Diaphragm Valves

KDV Mini-Val

KDV’s range of bi directional Weir Type diaphragm valves offer exceptional durability and reliability. The clean design completely isolates line media from the mechanical components of the valve.

Features & Benefits

  • Bubble-tight shut off
  • Easy/low maintenance
  • Readily available spare parts
  • In-line serviceable (top entry)
  • Excellent control characteristics
  • Low fugitive emissions
  • No stem leakage
  • Line media isolated from valve mechanicals

Applications

  • Water and waste water
  • Gases (e.g. compressed air)
  • Lubricating oil

 

 

Nominal Size:  1/4″ (DN8) and 3/8″ (DN10)
Face to Face: BS, DIN, MSS
Flange Drilling: ANSI B2.1 NPT
AS1722.1 Part 1 BSPP
Pressure: 1/4″ (DN8) – 3/8″ (DN10) (Elastomer Diaphragm)
*16 Bar (1600 kPa | 232 PSI)

Material of Construction

Part Material
1. Body Stainless Steel, CF8M (SS316)
2. Bonnet Shell Aluminium Alloy
3. Hand Wheel Powder Coated Aluminium Alloy
4. Spindle SS304, SS316
5. Diaphragm Natural Rubber NR
6. Compressor Aluminium Alloy
7. Fasteners ISO Grade 8.8, Stainless Steel
8. Hand Wheel Pin Spring Steel

 

Diaphragm Materials

GRADE MATERIALS
10 Natural Rubber NR
20 EPDM/Black Ethylene Propylene Rubber
22 EPDM / Food Grade (FDA)
30 Butyl Rubber IIR Chlorobutyl – Isobutylene Isoprene Halogenated
40 Nitrile Rubber NBR Acrylonitrile Butadiene Rubber
50 Neoprene CR Chloroprene Rubber
60 Hypalon CSM Chlorosulfonated Polyethylene
70 FKM/Viton FPM Fluorinated Elastomer

 

Design Standards

EN13397-2001 (BS5156:1985)

Testing Standards

EN12266-2 2002(BS6755 Part 1)

 

 

dn8 diaphragm valve - KDV AUstralia

dn8 KDV Mini Valve

 

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