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CALEFFI 312 Series Manual

CALEFFI 312 Series Manual

Safety relief valve

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www.caleffi.com
Valvola di sicurezza
Safety relief valve
Sicherheitsventil
Soupape de sécurité
Válvulas de seguridad
Válvulas de segurança
Veiligheidsklep
Series 311 - 312 - 313 - 314 - 513 - 514 - 527
Generalità / General / Allgemeines /
Généralités / Generalidades / Generalidades /
Algemeen
Le valvole di sicurezza sono costruite da Caleffi S.p.A nel
rispetto dei requisiti essenziali di sicurezza dettati dalla
direttiva 97/23/CE del parlamento europeo e del consiglio
dell'unione europea, per il riavvicinamento degli stati membri
in materia di attrezzature a pressione.
Le istruzioni di seguito fornite sono realizzate in conformità e con
lo scopo di cui all'articolo 3.4–allegato 1 della direttiva 97/23/CE
ed accompagnano i prodotti durante l'immissione nel mercato.
Safety (pressure relief) valves are made by Caleffi S.p.A. in
compliance with the essential safety requirements laid down
by Directive 97/23/EC of the European Parliament and the
Council of the European Union for harmonisation of member
States with regard to pressurised equipment.
The instructions given in this leaflet are supplied in compliance
with the scope of article 3.4 – item 1 of Directive 97/23/EC and
accompany each product supplied to the market.
Die Sicherheitsventile werden von der Caleffi S.p.A unter
Beachtung der wesentlichen Sicherheitsanforderungen nach
Richtlinie 97/23/EG des Europäischen Parlamentes und des
Rates der Europäischen Union zur Angleichung der
Rechtsvorschriften
Druckausrüstungen gefertigt.
Die nachfolgenden Anweisungen sind nach Maßgabe von
Artikel 3.4–Anlage 1 der Richtlinie 97/23/EG realisiert und
begleiten das Produkt bei seiner Vermarktung.
Les soupapes de sécurité sont construites par CaleffiS.p.A.
conformément aux exigences essentielles de sécurité de la
directive 97/23/CE du Parlement Européen et du Conseil de
l'Union Européenne, pour le rapprochement des états
membres en matière d'appareils sous pression.
Les instructions ci-après sont réalisées conformément à
l'article 3.4–annexe 1 de la directive 97/23/CE et
accompagnent les articles tant qu'ils sont commercialisés.
Las válvulas de seguridad Caleffi cumplen los requisitos
esenciales de seguridad establecidos por la directiva
97/23/CE del Parlamento Europeo y del Consejo de la Unión
Europea relativa a la aproximación de las legislaciones de los
Estados miembros sobre equipos a presión.
Las instrucciones siguientes han sido redactadas con arreglo
al artículo 3.4–anexo 1 de la directiva 97/23/CE y se entregan
junto con los productos.
As válvulas de segurança são concebidas pela Caleffi S.p.A.
em conformidade com os requisitos essenciais de segurança
ditados pela directiva 97/23/CE do Parlamento Europeu e do
Conselho da União Europeia, para a reaproximação dos
Estados-membros em matéria de equipamentos de pressão.
As instruções apresentadas em seguida foram elaboradas
em conformidade e no âmbito do artigo 3.4 - anexo 1 da
directiva 97/23/CE e acompanham os produtos durante a sua
colocação no mercado.
der
Mitgliedstaaten
1
38461.04
I
GB
D
F
E
P
NL
für

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Summarization of Contents

General Information and Compliance
Compliance with EU Directive 97/23/EC
Valves made to essential safety requirements of Directive 97/23/EC.
Function and Application
Use in heating and hot water systems
Used for pressure control in boilers, hot water cylinders, and water systems.
Product Range
Available models and series
Overview of product series and model numbers.
Technical Characteristics
Materials and specifications
Details on body, cover, diaphragm, spring, and material specifications.
Factory Settings
Non-alterable pressure values
Factory settings are fixed; intervention to alter them is forbidden.
Installation Method
Mounting orientation
Valves can be fitted vertically or horizontally, but not upside down.
General Installation Requirements
Sizing and flow direction
Correct sizing by specialist and installation in flow direction are essential.
Heating System Installation
Mounting and pipework
Mount on heating system top or outlet pipework within one meter; non-interruptible connection.
Hot Water System Installation
Proximity and avoiding shut-off devices
Install close to hot water cylinder; avoid shut-off devices between valve and cylinder.
Discharge Pipework
Requirements for safe discharge
Discharge must be visible, in collection pipework, with tundish for low capacity.
Safety: Installation and Maintenance
Risks from incorrect procedures
Improper installation or maintenance can lead to malfunction and danger.
Safety: Water Temperature
Handling hot water hazards
Water over 50°C can cause serious burns; take necessary precautions.
Hydraulic Connection Safety
Preventing thread damage
Avoid overstressing valve body threads to prevent leaks.
User Manual Guidance
Ensuring user receives instructions
Ensure the instruction leaflet is left with the end-user.
Final User Instructions
Manual handover and final checks
Ensure correct installation, maintenance, and user access to the manual.