DIAPHRAGM VALVES
Straight Through - Diaphragm

 

image to be inserted here illustrating the diaphragm of the valve.

 

Kim Valves diaphragms are made from various reinforced rubber compounds to handle aggressive fluids, chemicals, slurries and gasses.

The ST style diaphragm is moulded in a 'normally closed' position to ensure a bubble tight shut off when the valve is closed.

The chart below lists the various compounds available.

 

Diaphragm range

code

material

temperature

typical services

°C

°F

10

Natural rubber

-30 to 90

-22 to 194

General purpose, abraisives, water, dilute mineral acids

11

Natural rubber composite

-30 to 80

-22 to 176

Abrasives, slurry & suspended solids

15

White natural rubber

-30 to 90

-22 to 194

Food & pharmaceuticals

20

EDPM/black

-40 to 140

-40 to 284

General purpose, higly-resistant to temperatures most corrosive chemicals and abrasive liquids

2F

EPDM/food grade

-40 to 100

-40 to 212

Food & pharmaceuticals

30

Butyl rubber

-20 to 120

-4 to 248

Acids, alkalis, hot water, low pressure steam

40

Nitrile rubber

-20 to 100

-4 to 212

Oils, fats & fuels

50

Neoprene

-20 to 90

-4 to 194

Air, weak chemicals, greases

60

Hypalon

-40 to 120

-40 to 248

Concentrated acids & alkalis, chlorine services

70

Viton

-20 to 149

-4 to 300

Concentrated sulphuric & other acids, aromatic hydrocarbons, chlorine services

80

Silicone

-40 to 175

-40 to 347

Moderate or oxidizing chemicals, ozone, concentrated sodium hydroxide -- recommended for food

 

Note: The above temperature data relates to water. For other materials, contact us

 
 

For diaphragm dimensions- Click here

 

Kim Valves Australia
16-18 Overseas Drive, Noble Park, Victoria 3174
phone: +61 (3) 8793 4000     fax: +61 (3) 8793 4040     email: info@kimvalves.com.au