sepak

1/105-107 Stanley Rd 2565 Ingleburn, AUSTRALIA
Phone: 61 2 9618 1455

Cross Contamination Prevention With Mixed Proofed Valves

Posted on 19 Sep, 2018

When there are multiple pumps and tanks arranged in a series in a food or pharmaceutical applications, it is recommended that mixed proofed valves are installed to prevent cross contamination between the dissimilar products or between product and washing detergent and sanitizing detergent.

Thankfully there are food grade mixed proofed valves available to ensure your products are protected from cross contamination. There are, in fact, a few different types available depending on your budgets.

Compare the two proofed valves below.
 



Double butterfly valves: 

 

Use Cross contamination prevention
Reliability Good
Maintenance skill level Low
Valve actuation Auto or manual
Capital cost Low
Repair cost Low
Leakage detection Yes, leakage to atmosphere
Cleanability Excellent and simple, CIP. 
Double Butterfly Valves


Food Grade Mixed Proofed Valves



Double seat valves:

The double seat valves are more complicated style of valves with extra functions such as seat cleaning and pressure balanced designs. However, these valves cost more than the double butterfly valves to purchase and to maintain. This type of valve, however, is excellent when used as valve, matrix. The valve matrix allows the operator to use their system in a very flexible way such as one tank to filler while the other tank to fill simultaneously.

Use Cross contamination prevention
Reliability Good
Maintenance skill level High, some design needs special tools
Valve actuation Auto (typical)
Capital cost High
Repair cost High
Leakage detection Yes, leakage to atmosphere
Cleanability Excellent and require automation, CIP. 


Double Seat Valves
 



 
Sepak Industries has both types of leakage proofed valves in their range, please contact sales@sepak.com.au or phone us +61 2 9618 1445 for more information or for installation at your factory.