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Pressure-vacuum valve is a valve designed to maintain atmospheric pressure inside the tank while it is being filled or emptied.

Pressure-vacuum valve is widely used in the food-processing, wine-making, cosmetics and chemical industries as well as in the beverage and oil production.

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7550 Pressure-Vacuum Valve

Operating principle

The pressure-vacuum valve is designed to breathe in while the tank is being emptied to equal the pressure inside and outside the tank and protect the tank from vacuum.

When the tank is being filled, the  pressure-vacuum valve allows air to come out, thus avoiding excess pressure inside the tank which would cause the tank to swell.

Design and features

Available sizes: 2" y 2 ½".
Easy disassembly.
Compact design.
Standard connections: G type thread (ISO 228).

Materials

Stainless steel parts AISI 316L
Spring AISI 302
Casing POM
Gasket NBR

Documents

Operating principle

The pressure-vacuum valve is designed to breathe in while the tank is being emptied to equal the pressure inside and outside the tank and protect the tank from vacuum.

When the tank is being filled, the  pressure-vacuum valve allows air to come out, thus avoiding excess pressure inside the tank which would cause the tank to swell.

Materials and options

Stainless steel parts AISI 316L
Spring AISI 302
Casing POM
Gasket NBR

Español - 11/26/2025
Document № FT.7550.1_ES.pdf
Title Válvula Presión-Vacío 7550
File type157.38 KB
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English - 11/26/2025
Document № FT.7550.1_EN.pdf
Title Pressure-Vacuum Valve 7550
File type155.68 KB
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Deutsch - 11/26/2025
Document № FT.7550.1_DE.pdf
Title Druck-Vakuum-Ventil 7550
File type193.24 KB
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Русский - 11/26/2025
Document № FT.7550.1_RU.pdf
Title Дыхательный Клапан 7550
File type237.79 KB
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Español - 11/26/2025
Document № 10.510.30.01ES.pdf
Title INSTRUCCIONES DE INSTALACIÓN, SERVICIO Y MANTENIMIENTO VÁLVULA PRESIÓN-VACÍO - ANEXO ATEX
File type759.42 KB
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English - 11/26/2025
Document № 10.510.30.01EN.pdf
Title INSTALLATION, SERVICE AND MAINTENANCE INSTRUCTIONS PRESSURE-VACUUM VALVE - ANNEX ATEX
File type772.36 KB
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Français - 11/26/2025
Document № 10.510.30.01FR.pdf
Title INSTRUCTIONS D’INSTALLATION, DE SERVICE ET D’ENTRETIEN CLAPET PRESSION-DÉPRESSION - ANNEXE ATEX
File type810.60 KB
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