PRESSURE EQUALISATION VALVES

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Pressure equalisation valves adjust for any pressure difference and prevent damage to stored or transported products due to internal or external overpressures.

Pressure equalisation valves

Description of pressure equalisation valves

Atmospheric pressure differences between the containers and the external atmosphere are brought about by air transports and temperature fluctuations on the ground. Pressure equalisation valves are used to prevent damage to the transported goods or storage containers due to internal or external overpressure. Pressure equalisation valves are set to any desired pressure differences and are available in a variety of designs. They are offered as 1- and 2-way valves, as well as with or without manual discharge. The pressure equalisation valves comply with the requirements of the International Air Transport Association (IATA) and the Society of Automotive Engineers (SAE).

 

Applications of equalisation valves

The main applications of pressure compensating valves are:

  • Export of products
  • Protection of goods
  • Military applications
  • Aviation industry

 

Specifications of equalisation valves

Below is a table specifying the different types of pressure compensation valves based on their flow rates, that is, the amount of steam or gas they let through.
Pressure equalisation valves
Ask for budget. Sercalia
Pressure equalisation valves. Drying agent
Pressure equalisation valves
Pressure equalisation valves
Pressure equalisation valves
Pressure equalisation valves

 

Figure number Type Throughflow Rate Maximum container volume Comments
1 TA 292-R 14 l /min 100 l
2 TA 294-R 28 l /min 200 l
3 TA 238-R 100 l /min 1000 l
4 TA 240-R 100 l /min 1000 l
5 TA 340-R 85 l /min 700 l With humidity indicators for 20, 40 and 60% RH
6 TA 440-R 100 l /min 1000 l With humidity indicators for 20, 40 and 50% RH
7 TA 330 100 l /min 1000 l
8 TA 333-R 100 l /min 1000 l Screened
9 TA 770-R 700 l /min 6000 l Screened
10 BLD 6637 100 l /min 1000 l
11 BLD 7047 100 l /min 1000 l FDA
12 BLD 9314 14 l /min 100 l
13 BLD 9629 14 l /min 100 l
14 BLD 8555 7 l /min 50 l With humidity indicator
15 BLD 9156 4200 l /min 30000 l
16 BLD 10705 54000 l /min 350000 l Suitable for rapid decompression

 

Further pressure equalisation elements specifications

Below we show you the specifications of the open pressure compensation elements for protection against dust and splashes which, however, unlike valves, allow the passage of water vapor.

Figure number Type Throughflow Rate Comments
1 BLD 9975 0.03 l /min Spray-protected
2 BLD 6343 0.15 l /min Spray-protected
3 BLD 9290 0.6 l /min Spray-protected
4 BLD 10518 0.6 l /min Spray-protected
5 BLD 6693 0.1 l /min Spray-protected
6 BLD 9036 0.6 l /min Spray-protected
Complementary elements to valves
Complementary elements to valves
Complementary elements to valves

To purchase pressure compensating valves or request more specifications, please contact us.

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