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Solenoid Valves

Solenoid Valves
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Solenoid Valves

Product catalog summary
Overview: This document provides comprehensive technical specifications and descriptions for solenoid valves and related components, focusing on NAMUR standard interfaces and ATEX compliance. It includes details on materials, functions, and certifications.
Main Sections:
  • Solenoid Valves: Various types of solenoid valves are described, including those made from stainless steel and aluminum, adhering to NAMUR standards such as Ex ia, Ex dm, Ex db, and Ex mb. Each type is detailed with page references for further information.
  • Speed Controllers and Plates: Covers the PN, PNRDA, PNRSR, and PNF series, with page references for detailed specifications.
  • Coils and Connectors: Information on different series of coils (B22, B22X, B30X, B36X) and connectors (C22N/C22T, C30N/C30T) is provided, including their ATEX certifications and page references.
  • Technical Specifications: Detailed descriptions of materials used, such as die-cast painted aluminum for valve bodies and HNBR for seals, are included. The document specifies pressure and temperature ranges, flow rates, and mounting options for the valves.
  • ATEX Compliance: Highlights ATEX certifications for various components, ensuring safety in potentially explosive environments. Includes classifications like II 2G Ex ia IIC T6 Gb and II 2D Ex tb IIIC T80°C Db IP65.
  • Safety and Certifications: All solenoid valves are SIL certified according to IEC 61508:2010, suitable for safety applications.
Key Data from Tables and Diagrams:
  • Valve Functions: Provides symbols and descriptions for different valve functions, such as 3/2 and 5/2 solenoid/spring and solenoid/solenoid configurations.
  • Electrical Features: Specifications for electrical features include voltage ranges, nominal current, and power ratings for various coil types.
  • Installation and Mounting: Valves can be mounted in any position, with specific recommendations for avoiding vertical assembly due to vibrations.
Critical Information:
  • Materials: Standard materials include die-cast painted aluminum, hard anodized aluminum, and HNBR seals.
  • Pressure and Temperature Ranges: Operating pressure ranges from 1.5 to 10 bar, with temperature ranges from -10°C to +60°C for most valves.
  • Flow Rates: Valves have a nominal flow rate of 1000 Nl/min at 6 bar with a ΔP of 1 bar.
  • ATEX and SIL Certifications: Ensures compliance with safety standards for use in hazardous environments.
Specifications: The document outlines specifications for NAMUR interface spool valves, including power ratings of 3 W and 3.2 VA, a duty cycle of 100% ED, and temperature classes T5 and T6. The valves are designed for use with compressed filtered air, with or without lubrication, and have a pressure range of 1 to 10 bar and a temperature range of -25°C to +60°C. The nominal diameter is 8, and the flow rate is 1,100 Nl/min at 6 bar with a ΔP of 1 bar.
Procedures: The valves are available in configurations such as 3/2 and 5/2 bistable and monostable, with solenoid/spring and solenoid/solenoid options. They are not recommended for vertical assembly due to vibrations.
Standards and Certifications: The valves are SIL certified according to IEC 61508:2010 and conform to the 2014/34/EU Directive. They are classified as II 2G Ex db mb IIC T5 Gb and II 2D Ex tb IIIC T95°C Db IP66 for safety applications.
Materials: The valves are constructed from materials such as die-cast painted aluminium, hard anodized aluminium, Hostaform C 13031, Ixef 1022, HNBR seals, stainless steel springs, and brass operators. Some models feature encapsulated flameproof coils to prevent explosions.
Applications: These valves are suitable for industries such as food, chemical, pharmaceutical, Oil & Gas, and mining, particularly where safety and explosion prevention are critical.
Electrical Features: Nominal voltage options include 6VDC, 12VDC, 24VDC, 48VDC, 12VAC, 24VAC, 48VAC, 100VAC, 110VAC, 115VAC, 120VAC, 220VAC, 230VAC, 240VAC. Frequency is 50/60 Hz for AC models. Nominal current and power vary by voltage, with power typically around 3 to 4 VA/W. Duty cycle is 100% ED. Temperature class is T5 or T6, depending on the model.
Materials: Body and cover are made from Stainless Steel AISI 316L. Spool is made from hard anodized aluminium or Stainless Steel AISI 316. Seals are made from Hydrogenated Nitrile Butadiene Rubber (HNBR). Spring and operator are made from stainless steel. Coil is made from thermoset resin.
Certifications: SIL Certification according to IEC 61508:2010. ATEX Certification conforming to 2014/34/EU Directive. Explosion Protection: II 2G Ex db mb IIC T5 Gb and II 2D Ex tb IIIC T95°C Db IP66.
Technical Specifications: The document outlines various technical specifications for solenoid coils and connectors. It includes details on nominal current, nominal power, duty cycle, temperature class, and protection class. The coils are designed for use in potentially explosive atmospheres and conform to ATEX Directive 2014/34/EU.
Coil Series: Series B22: Low electrical consumption coils conforming to EN 60204 and VDE 0580 standards, class F. Series B22X: Coils for explosive atmospheres, Group II, category 3, Gas and Dust. Series B30X: 30 mm coils for explosive atmospheres, Group II, category 2, Gas and Dust, supplied with a 3-meter cable. Series B36X: 36 mm coils for explosive atmospheres, Group II, category 2, Gas and Dust.
Connectors: Series C22N/C22T: Connectors conforming to DIN 43650 standards for B22 coils, available with LED indicators. Series C22NC/C22NLC: Connectors with cables, conforming to DIN 43650 standards, featuring red LED indicators. Series C30N/C30T: Connectors for Stainless Steel NAMUR Ex ia coils, with yellow LED indicators. Series C30NC/C30NLC: Connectors with cables for Stainless Steel NAMUR Ex ia coils, featuring red LED indicators.
Key Parameters: Voltage tolerance: ±10%. Frequency: 50/60 Hz. Electrical consumption: 3 W to 5 VA. Temperature range: -20°C to +50°C. Protection class: IP 65 to IP 66.
Notes: The document includes specific notes on assembling coils with NAMUR valves, requiring additional plates for certain configurations. It also highlights the use of special tools for ATEX connectors.
ATEX Connectors: The document describes ATEX connectors that comply with the ATEX directive 2014/34/EU, class II, Category 2. These connectors feature a special central fixing screw that requires a special tool for opening. They include pictograms indicating not to disconnect under voltage and bear the ATEX logo. The dimensions conform to EN 175301-803 (DIN 43 650).
Technical Specifications: Contact distance: 18 mm. Nominal voltage: max 230V. Rated impulse voltage: 4000V. Rated current (40°C): 10 A. Contact resistance: ≤ 15 mΩ. Insulation resistance: ≥ 100 MΩ. Protection class: IP 65 / IP 67. Temperature range: -25°C to +90°C.
Speed Controllers: Series PNRDA: Designed for double acting pneumatic actuators, these controllers can be mounted directly or used with NAMUR solenoid valves and/or positioners. They feature advanced throttling technology for precise control of actuator speeds without fluctuation. Materials: Anodized aluminium body, NBR seals, stainless steel screws. Optional stainless steel body available. Technical Data: Function: 5/2 - Double Acting. Fluid: Compressed filtered and dried air. Connections: NAMUR. Max flow orifice: Ø 3.74 mm. Max flow coefficient: 740 l/min (5 bar). Working temperature: -20°C to +60°C. Working pressure: 1.5 to 10 bar.
Series PNRSR: For spring return pneumatic actuators, offering similar features and materials as the PNRDA series, with a focus on controlling actuator speeds accurately and safely.
Plates for Speed Controllers: Plates are used as adapters for connecting to compressed air pipes, supplied with screws and O-ring. Made from anodized aluminium with NBR seals and stainless steel screws. Optional stainless steel body available.
Plates for Valves: These plates are mounted between the NAMUR valve body and rotary actuator, accommodating coils thicker than the valve body. Made from nylon with NBR seals and steel screws. Optional stainless steel body available.
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Catalog excerpts

Solenoid Valves-1

Indice – Index Elettrovalvole Solenoid valves Alluminio Aluminium NAMUR Standard Standard NAMUR Inox Stainless Steel NAMUR Standard Standard NAMUR Bobine Coil Serie B22X B22X Series Connettori Connectors Serie C22N/C22T C22N/C22T Series Regolatori di velocità e Piastre Speed controllers and Plates Serie PNRDA PNRDA Series Serie PNRSR PNRSR Series

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Solenoid Valves-2

Note - Notes

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Solenoid Valves-3

NAMUR Alluminio – Aluminium NAMUR In conformità / According to Descrizione - Description Valvole a spola con guarnizioni statiche ad alta portata per fissaggi con interfaccia NAMUR. Bobine e connettori da ordinare separatamente. La funzione 3/2 si può ottenere montando un tappino speciale su un utilizzo. Tutte le elettrovalvole SAF sono inoltre certificate SIL (in conformità alla normativa IEC 61508:2010). Series of spool valves with static seals and high flow for NAMUR interface mounting. Coils and plugs are to be ordered separately. Function 3/2 is obtained by applying a special plug on an...

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Solenoid Valves-4

NAMUR Alluminio – Aluminium NAMUR NAMUR G 1/4 - 3/2 - 5/2 Monostabile NAMUR G 1/4 - 3/2 - 5/2 solenoid/spring Codice Code Funzione Function Articolo Article Simbolo Symbol Fluido Fluid Aria compressa filtrata con o senza lubrificazione. La lubrificazione se utilizzata non deve essere interrotta. 5 1 Compressed filtered air with or without lubrication. Lubrication, if started, must be continued. Connessioni Port size Pressione d’esercizio Pressure range Temperatura d’esercizio Temperature range Portata Flow Comando manuale Manual override In tutte le posizioni In any position Bistabile Bistable...

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Solenoid Valves-5

NAMUR Alluminio – Aluminium NAMUR 3 NAMUR G 1/4 - 3/2 - 5/2 Bistabile NAMUR G 1/4 - 3/2 - 5/2 solenoid/solenoid Simbolo Symbol Codice Code Articolo Article Funzione Function Fluido Fluid Aria compressa filtrata con o senza lubrificazione. La lubrificazione se utilizzata non deve essere interrotta. Compressed filtered air with or without lubrication. Lubrication, if started, must be continued. Connessioni Port size Pressione d’esercizio Pressure range Temperatura d’esercizio Temperature range Portata Flow Installazione Mounting In tutte le posizioni In any position Comando manuale Manual override...

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Solenoid Valves-6

NAMUR Alluminio con sicurezza intrinseca Ex ia – Aluminium NAMUR intrinsic safety Ex ia NAMUR EM Descrizione - Description Serie di valvole a spola, con guarnizioni statiche, ad alta portata, per fissaggio con interfaccia NAMUR. Elettrovalvole certificate SIL (in conformità alla normativa IEC 61508:2010). Elettropilota a basso assorbimento conforme alla Direttiva 2014/34/UE, con classificazione Ex ia (sicurezza intrinseca): II 2G Ex ia IIC T6 Gb II 2D Ex tb IIIC T80°C Db IP65 Series of spool valves, with static seals, high flow, for mounting on NAMUR interface. Solenoid valves SIL certified (according...

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Solenoid Valves-7

NAMUR Alluminio con sicurezza intrinseca Ex ia – Aluminium NAMUR intrinsic safety Ex ia II 2G Ex ia IIC T4 Gb II 2D Ex tb IIIC T80°C Db IP65 NAMUR G 1/4 - 3/2 - 5/2 Monostabile NAMUR G 1/4 - 3/2 - 5/2 solenoid/spring Simbolo Symbol Codice Code Articolo Article Funzione Function Fluido Fluid Aria compressa filtrata con o senza lubrificazione. La lubrificazione se utilizzata non deve essere interrotta. 14 12 Compressed filtered air with or without lubrication. Lubrication, if started, must be continued. Connessioni Port size Pressione d’esercizio Pressure range 2 ÷ 7 bar con bobina 24VDC Ex ia...

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Solenoid Valves-8

NAMUR Alluminio con sicurezza intrinseca Ex ia – Aluminium NAMUR intrinsic safety Ex ia 3 NAMUR G 1/4 - 3/2 - 5/2 Bistabile NAMUR G 1/4 - 3/2 - 5/2 solenoid/solenoid Simbolo Symbol Codice Code Articolo Article Funzione Function Fluido Fluid Aria compressa filtrata con o senza lubrificazione. La lubrificazione se utilizzata non deve essere interrotta. Compressed filtered air with or without lubrication. Lubrication, if started, must be continued. Connessioni Port size Pressione d’esercizio Pressure range 2 ÷ 7 bar con bobina 24VDC Ex ia 2 ÷ 7 bar with coil 24VDC Ex ia Temperatura d’esercizio Temperature...

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Solenoid Valves-9

NAMUR Alluminio con bobina incapsulata Ex dm – Aluminium NAMUR encapsulated coil Ex dm NAMUR EM Descrizione - Description Serie di valvole a spola, con guarnizioni statiche, ad alta portata, per fissaggio con interfaccia NAMUR. Elettrovalvole certificate SIL (in conformità alla normativa IEC 61508:2010). Elettropilota con bobina per applicazioni pneumatiche in ambienti potenzialmente esplosivi (gruppo II). La protezione è assicurata da un fusibile termico che, in caso di danno, disconnette la bobina dalla tensione elettrica. Conforme alla Direttiva 2014/34/UE, con classificazioni: II 2G Ex db...

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Solenoid Valves-10

NAMUR Alluminio con bobina incapsulata Ex dm – Aluminium NAMUR encapsulated coil Ex dm II 2G Ex db mb IIC T5 Gb II 2D Ex tb IIIC T95°C Db IP66 Simbolo Symbol Ordinare o richiedere con descrizione, il codice sarà assegnato in funzione alla tensione Order or require with description, code will be assigned depending by the tension Codice Code Articolo Article *specificare tensione es: 24VDC / specify tension ex: 24VDC *specificare tensione es: 24VDC / specify tension ex: 24VDC 2 Funzione Function Fluido Fluid Aria compressa filtrata con o senza lubrificazione. La lubrificazione se utilizzata non...

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Solenoid Valves-11

NAMUR Alluminio con bobina incapsulata Ex dm – Aluminium NAMUR encapsulated coil Ex dm 3 1 ABLE FOR SAFETY APPLICA T Articolo Article Simbolo Symbol Ordinare o richiedere con descrizione, il codice sarà assegnato in funzione alla tensione 14 Order or require with description, code will be assigned depending by the tension Codice Code *specificare tensione es: 24VDC / specify tension ex: 24VDC 4 2 *specificare tensione es: 24VDC / specify tension ex: 24VDC Funzione Function Fluido Fluid Aria compressa filtrata con o senza lubrificazione. La lubrificazione se utilizzata non deve essere interrotta....

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.