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74700 Overflow Valve

74700 Overflow Valve

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74700 Overflow Valve

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 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.
Gaskets according to FDA.177.2600 .
Standard connections: DIN 11851.
Available in diameters: DN-25 to DN-80.

Materials

Parts in contact with media: AISI 316L
Other parts in stainless steel: AISI 304L
Gaskets: EPDM 
Inside surface finishing (Ra): < 0.8 µm
Outside surface finishing: matt

Options

Connections FIL-IDF, BS-RJT, SMS, Clamp, flanges, Macon.
Gaskets available in NBR and FPM.
Several operating ranges (changing the spring).
The assembly of the handle allows to partially open the valve in order to allow the passage of fluid for CIP cleaning (for use with positive pump bypass).
Safety seal to identify the factory calibration.

Documents

Operating principle

Under normal operating conditions, the 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

Parts in contact with media: AISI 316L
Other parts in stainless steel: AISI 304L
Gaskets: EPDM 
Inside surface finishing (Ra): < 0.8 µm
Outside surface finishing: matt

Connections FIL-IDF, BS-RJT, SMS, Clamp, flanges, Macon.
Gaskets available in NBR and FPM.
Several operating ranges (changing the spring).
The assembly of the handle allows to partially open the valve in order to allow the passage of fluid for CIP cleaning (for use with positive pump bypass).
Safety seal to identify the factory calibration.

Document № C.V74.ES-EN-FR_0216.pdf
Title Válvula de alivio, Overflow valve, Clapet de décharge
File type .pdf
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Document № FT.74700.1_ES
Title Válvula de Alivio 74700
File type .pdf
Summary Su diseño sanitario y su entera construcción en acero inoxidable hacen la válvula 74700 la opción más adecuada para la protección de instalaciones de las industrias lácteas, alimentarias, bebidas, farmacéutica y química fina.
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Document № FT.74700.1_EN
Title Overflow Valve 74700
File type .pdf
Summary The overflow valve is a valve used to perform pressure bypasses for safety purposes in order to protect lines, pumps, accessories, pools, etc.
    Download
  • E-mail
Document № FT.74700.1_FR
Title Soupape de Décharge 74700
File type .pdf
Summary La soupape de surpression est utilisée comme by-pass en mesure de sécurité pour protéger une ligne process, une pompe, des accessoires, une cuve, ...
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Document № FT.74700.1_IT
Title Valvola di Sovrapressione 74700
File type .pdf
Summary Il suo disegno sanitario e la sua intera costruzione in acciaio inox fa si che la valvola 74700 sia l'opzione più adeguata per la protezione di installazioni dell'industria lattierocasearia, alimentare, delle bevande, farmaceutica e chimica fine.
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Document № FT.74700.1_PT.pdf
Title Válvula de Alívio 74700
File type .pdf
Summary O seu design sanitário e a construção totalmente em aço inoxidável tornam a válvula 74700 a opção mais adequada para a proteção de instalações das indústrias de lacticínios, alimentar, bebidas, farmacêutica e química fina
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Document № FT.74700.1_DE
Title Druckregelventil 74700
File type .pdf
Summary Das Druckregelventil ist ein Sitzventil in hygienischer Ausführung mit dem ein speziefischer Systemdruck eingestellt werden kann. Vor allem eingesetzt in der Molkerei, Lebensmittel, Getränke, pharmazeutischen und chemischen Feinindustrie.
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Document № FT.74700.1_RU
Title Перепускной Клапан 74700
File type .pdf
Summary Клапан 74700 гигиенического исполнения из нержавеющей стали широко используется с оборудованием в пищевой, молочной, фармацевтической промышленности, а также промышленности тонкой химии в целях защиты оборудования.
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Document № FT.74700.1_CN
Title 手动溢流阀 74700
File type .pdf
Summary 溢流阀是一种为了过压保护管道的安全阀门,用于容积泵的压力泄放旁路 , 配件, 容器,等. 采用卫生级不锈钢设计与生产制造,74700阀是过压保护相关设施最合适的阀门, 广泛应用在乳制品,食品,饮料,制药和精细化工等行业。
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Document № 10.207.30.00ES_RevC.pdf
Title INSTRUCCIONES DE INSTALACIÓN, SERVICIO Y MANTENIMIENTO VÁLVULA DE ALIVIO
File type .pdf
Summary Este manual de instrucciones contiene aquellas indicaciones básicas que se deberán cumplir durante la instalación, puesta en marcha y mantenimiento.
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Document № 10.207.30.00EN_RevC.pdf
Title INSTALLATION, SERVICE AND MAINTENANCE INSTRUCTIONS OVERFLOW VALVE
File type .pdf
Summary This instruction manual contains basic indications which should be fulfilled during the installation, starting and maintenance.
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Document № 10.207.30.00FR_RevC.pdf
Title INSTRUCTIONS D’INSTALLATION, DE SERVICE ET D’ENTRETIEN CLAPET DE SURPRESSION
File type .pdf
Summary Ce manuel d’instructions contient les indications de base à appliquer pendant l’installation, la mise en service et l’entretien.
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