The overflow valve is a valve used to perform pressure bypasses for safety purposes in order to protect lines, pumps, accessories, pools, etc. 
The overflow valve has a sanitary design and it is designed to prevent risks and possible failures caused by pressure surges in the plant.
With a sanitary design and fully manufactured in stainless steel, the 74700 valve is the most suitable option for protection of facilities in the dairies, food, beverages, pharmaceutical and fine chemicals industries.

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74700 Overflow Valve

Operating principle

Under normal operating conditions, the overflow valve remains closed.

The valve is calibrated to a specific pressure by regulating the spring with the pressure nut.The calibrated pressure is a maximum safety pressure defined to avoid damage of the plant.

When the pressure in the circuit exceeds the calibrated pressure, the valve opens letting the flow pass and reducing the pressure of the pipe system.

The valve can incorporate a handle designed to partially open the valve. When the handle is kept in the open position during the CIP process, the cleaning products can pass through the valve.

Design and features

The valve is normally closed.
Easy to adjust manually.

Documents

Operating principle

Under normal operating conditions, the overflow valve remains closed.

The valve is calibrated to a specific pressure by regulating the spring with the pressure nut.The calibrated pressure is a maximum safety pressure defined to avoid damage of the plant.

When the pressure in the circuit exceeds the calibrated pressure, the valve opens letting the flow pass and reducing the pressure of the pipe system.

The valve can incorporate a handle designed to partially open the valve. When the handle is kept in the open position during the CIP process, the cleaning products can pass through the valve.

Materials and Options

Document № 10.207.33.01ES
Title Válvula de Alivio 74700
File type .pdf
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Document № 10.207.33.01EN
Title Overflow Valve 74700
File type .pdf
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Document № 10.207.33.01FR
Title Soupape de Décharge 74700
File type .pdf
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Document № 10.207.33.01RU
Title Перепускной Клапан 74700
File type .pdf
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Document № 10.207.30.08MU
Title Guía rápida de instalación / Quick installation guide / Guide d’installation rapide / Краткое руководство по монтажу
File type .pdf
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Document № 10.207.30.07ES
Title INSTRUCCIONES DE INSTALACIÓN, SERVICIO Y MANTENIMIENTO VÁLVULA DE ALIVIO
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Document № 10.207.30.01ES
Title INSTRUCCIONES DE INSTALACIÓN, SERVICIO Y MANTENIMIENTO VÁLVULA DE ALIVIO - ANEXO ATEX
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Document № 10.207.30.07EN
Title INSTALLATION, SERVICE AND MAINTENANCE INSTRUCTIONS OVERFLOW VALVE
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Document № 10.207.30.01EN
Title INSTALLATION, SERVICE AND MAINTENANCE INSTRUCTIONS OVERFLOW VALVE - ANNEX ATEX
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Document № 10.207.30.07FR
Title INSTRUCTIONS D’INSTALLATION, DE SERVICE ET D’ENTRETIEN CLAPET DE SURPRESSION
File type .pdf
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Document № 10.207.30.01FR
Title INSTRUCTIONS D’INSTALLATION, DE SERVICE ET D’ENTRETIEN CLAPET DE SURPRESSION - ANNEXE ATEX
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Document № 10.207.30.07RU
Title ИНСТРУКЦИИ ПО УСТАНОВКЕ, ЭКСПЛУАТАЦИИ И ОБСЛУЖИВАНИЮ ПЕРЕПУСКНОЙ КЛАПАН
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Document № C.V74.ES-EN-FR_0216.pdf
Title Válvula de alivio, Overflow valve, Clapet de décharge
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