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General Catalogue

Product catalog summary

Specifications:
The document details hydraulic safety shut-off valves (VMH) for gas burners, boilers, and industrial furnaces. These valves open slowly when powered and close immediately when power is cut, suitable for continuous operation. They are made from AlSi, with connections from DN65 to DN300, and working pressures up to 1600 mbar for smaller sizes and 600 mbar for larger ones. They are designed for air and non-aggressive gases, with special versions for Biogas/COG.

Procedures:
The LD tightness control system checks for leaks in gas trains with automatic shut-off valves, either before ignition or after stopping the gas burner. The basic version, LD1, uses electronic control, while upgraded versions include pressure switches and auxiliary valves.

Standards and Approvals:
The valves are certified according to EN 161 and 97/23/EC, while the LD tightness control complies with EN1643.

Recommendations:
Solenoid valves (VRA/VLA/VTA) for combustion air regulation are normally closed and open when powered, suitable for high/low stage control in industrial gas burners. They operate up to 200 mbar and are made from AlSi with connections from Rp3/4 to DN80.

Key Data from Tables:
Tables provide details on models, connections, maximum pressure, air flow rates, dimensions, and weights. For instance, the VMH7 DN 65 model has a maximum pressure of 1600 mbar, dimensions of 305x536x200 mm, and weighs 14 kg.

Overview: The document provides technical specifications for solenoid actuators and butterfly valves used in combustion processes, essential for regulating air and gas flow in industrial applications.

Specifications: Solenoid actuators are designed for two-stage control of VF and VFH butterfly valves, operating by shifting the valve to minimum or maximum opening positions. They can be manually operated or automated.

Materials and Connections: VF and VFT models are made from AlSi, while VFH is made from GGG, with connection sizes from DN40 to DN200 and operating pressures of 0-500 mbar for VF and VFT, and 0-150 mbar for VFH.

Temperature and Gas Type: VF and VFT models handle media temperatures up to 60°C (optional 200°C), while VFH handles up to 450°C. They are suitable for air and non-aggressive gases, with VFH also handling heated air and flue gas.

Approvals: VF and VFT models are EC-type tested and certified according to EN13611.

Operational Details: Solenoid actuators adjust valve positions by moving a plunger, offering fast or slow operation times, with voltage ratings of 230VAC or 110VAC, complying with directives 2004/108/EC and 2006/95/EC.

Servomotors: MZ servomotors are used for VF, VFT, VFH butterfly valves, and LMV linear modulating valves. MZ2 and MZ3 are for basic adjustments, while MZ5 offers advanced positioning with high precision.

Overview: The document provides technical specifications for MZ series servomotors and LMV modulating valves used in combustion processes, including types, control methods, operating times, voltage ratings, approvals, and material specifications.

Servomotors (MZ Series):

Types: MZ2-MZ3 for basic position adjustment; MZ5 for advanced position adjustment with high precision.
Control: MZ2, MZ3 use switching cams; MZ5 uses analogue signals.
Operating Time: MZ2, MZ3: 15, 30, 60, 120 seconds; MZ5: 7-60 seconds (programmable).
Voltage Rating: 230VAC 50/60Hz, 110VAC 50/60Hz, 24V AC/DC.
Approvals: Complies with 2004/108/EC and 2006/95/EC directives.

Modulating Valves (LMV Series):

Function: Used for linear adjustment of air or gas flow in combustion processes.
Control Methods: Stage control or continuous modulation.
Material/Connections: AlSi Rp3/4 to Rp2, DN40 to DN80.
Operating Pressure: 0 to 500 mbar.
Gas Type: Air and non-aggressive gases, with special version for Biogas/COG.
Approvals: EC-type tested and certified according to EN13611.

Safety Solenoid Valves (EVRM-NC Series):

Type: Manual reset safety valve, normally closed.
Operation: Requires manual reset to open; closes automatically without electric current.
Material/Connections: CuZn Rp3/8 to G1, AlSi Rp3/8 to Rp2½, DN40 to DN300.
Operating Pressure: 0 to 600 mbar, 0 to 6 bar.
Gas Type: Air and non-aggressive gases.
Approvals: EC-type tested and certified according to EN 161 and 97/23/EC.

Specifications:
The document discusses safety solenoid valves for gas, specifically the EVRM-NC and EVRM-NA types, certified according to EN 161 and directive 97/23/EC. The EVRM-NC is normally closed, requiring manual reset, while the EVRM-NA is normally open and also requires manual reset.

Procedures:
For the EVRM-NC, the valve remains closed under normal conditions and requires manual intervention to open. It stays open as long as there is current in the coil. If the current is interrupted, the valve closes and remains closed until manually reset. The EVRM-NA requires manual operation to open and maintain its state. It closes automatically when powered by a leakage detector signal.

Materials and Connections:
The valves are made from CuZn and AlSi materials, with connections ranging from Rp3/8 to DN300.

Operating Pressure:
The valves operate at pressures from 0 to 600 mbar and up to 6 bar.

Gas Type:
They are suitable for air and non-aggressive gases.

Approvals:
The valves are tested and certified according to EN 161 and directive 97/23/EC.

Models and Specifications:
The document lists various models with specifications such as power consumption, dimensions, and weight. For example, the EVRMNC4AF model has a power consumption of 12W at 230V, dimensions of 193x262x150 mm, and weighs 3.7 kg.

Additional Products:
The document also mentions gas pressure regulators with filters and safety shut-off valves, suitable for various gas systems. The RF model includes a 30-micron filter, while the RAG model is for air/gas ratio control. The R-100 and RS-100 models are high-pressure devices with a maximum inlet pressure of 10 bar.

Overview: This document provides technical specifications and descriptions for various types of gas pressure regulators and related components, including details on materials, connections, working pressures, gas types, approvals, and specific models.

Specifications:

Pressure Regulators: Designed for gaseous media, suitable for all gas-consuming devices. Types include RF with an integrated 30 µm filter, RAG for air/gas ratio control with adjustable offset spring and bypass, R-100 for high-pressure applications up to 10 bar, and RS-100 with a safety shut-off valve.
Materials and Connections: Made from AlSi with connections ranging from Rp3/4 to Rp2 and DN40 to DN100.
Working Pressure and Accuracy: Max inlet pressure of 500 mbar with outlet pressure ranging from 8 to 260 mbar, accuracy class A. For high-pressure models, max inlet pressure is 10 bar with outlet pressure from 15 to 4000 mbar, accuracy AC10 or 20 - SG30.
Gas Type: Suitable for air and non-aggressive gases, with special versions for biogas/aggressive media.
Approvals: EC-type tested and certified according to EN88-1 and 88-2 and directive 97/23/EC.

Procedures and Recommendations:

Pressure Relief Valves (VS Type): Designed to reduce temporary pressure peaks in burning appliances by releasing overpressure in a relief line.
Automatic Vent Valves (VMRNA Type): Suitable for discharging gas excess or leakage into relief lines, normally open when de-energized.
Gas Filters (FG Type): High dust and impurity holding capacity, with a steel-supported frame and polypropylene fibres, self-extinguishing according to DIN 53438.

Key Models and Features:

Model Connections: Threaded ISO 7/1 and flanged ISO 7005, with various dimensions and weights for different models.
Relief Pressure Range: Ranges from 50 to 1200 mbar depending on the model.
Operating Pressure for VMRNA: Ranges from 0 to 500 mbar and 0 to 6 bar.

Specifications:
The document outlines the specifications for gas filters and related components. The material used complies with fire protection class F1 according to DIN 53438 and is self-extinguishing. The filters are designed for air and non-aggressive gases, with special versions available for biogas and COG. Operating pressures range from 0 to 6 bar, and the filters are available in various sizes and connection types, including threaded and flanged options.

Procedures:
Filters are equipped with pressure chambers that can be fitted with measurement connections to monitor pressure drop. When the filter capacity is reached, the filter element must be replaced. Models FGS1-2 feature washable mesh filter cartridges.

Standards and Approvals:
The products are tested and certified according to directive 97/23/EC. The PCS (Proof of Closure Switch) is designed according to EN161 to detect valve closure status and is available in an ATEX special version.

Recommendations:
For optimal performance, ensure regular monitoring of pressure drop and timely replacement of filter elements. The compact and robust design of the components allows for easy installation and maintenance.

Key Data from Tables:
The document includes detailed tables listing models, connection types, dimensions, weight, and filtering area. For example, the FGS1-2 model has a filtering area of 17 cm² and weighs 0.24 kg, while the FG912-2 model has a filtering area of 2x2100 cm² and weighs 96 kg.

Gas Types and Approvals:
This document outlines various gas types suitable for use, including air and non-aggressive gases, biogas, and special versions for COG. It also mentions that the products are tested and certified according to EN 1854 and EN13774 – EN331 standards.

Product Specifications:

PSG Models: These models have different pressure ranges and dimensions, with maximum pressures ranging from 500 to 1000 mbar.
VSG Globe Valves: Designed for inline and end-of-line installation, these valves have a full and straight gas passage to minimize pressure drop and turbulence. They are available with manual levers or various actuators, and special versions are available for aggressive gases.
Material and Connections: VSG4210 (CuZn) and VSGB2 (GJS) models are available with various connection sizes.
Operating Pressure: Ranges from 0 to 10 bar.

Additional Components:

Gas Trains: Customizable up to DN300, manufactured according to customer specifications.
CF Flame Safety Device: Used for igniting and monitoring flames in industrial gas burners, available with single or double control for valves.
MG Pressure Gauges: Robust instruments for fast on-site measurement, available in various display sizes.
CPT Quantometers: Non-fiscal turbine and rotary gas meters used in industrial systems to control and optimize gas consumption.

Catalog excerpts

Detailed information on: www.delta-elektrogas.com Elektrogas reserves the right to update or make technical changes without prior notice. Elektrogas® is a registered trademark of: Elektrogas si riserva la facoltà di apportare aggiornamenti o modifiche tecniche senza preavviso. Elettromeccanica Delta S.p.A. Via Trieste 132 31030 Arcade (TV) - ITALY Technische Änderungen vorbehalten. Elektrogas se réserve le droit d'apporter des mises à jour ou des modifications techniques sans avis préalable. www.delta-elektrogas.com [email protected] Elektrogas se reserva el derecho de hacer cambios técnicos...

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EN Safety solenoid valves for air and gas fast opening and fast closing type The VMR type valve is a fast opening solenoid valve that is normally closed. When the coil is not energized the spring works on the disc keeping the gas passage closed. When the coil is powered the valve opens. When power is switched off the valve rapidly shuts. This type of device is suitable for gas and air blocking and adjusting controls in atmospheric burners or fan-assisted burners, in industrial kilns and in all gas equipments which use gas solenoid valves (qualified for continuous service - 100% ED). IT Valvole...

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Electrovannes automatiques de sûreté pour l’air et le gaz ouverture et fermeture rapide Electroválvulas automáticas de seguridad para aire y gas abertura y cierre rapido Электромагнитные предохранительные клапаны для воздуха и газа, быстро открывающиеся и быстро закрывающиеся 气体安全电磁阀快开快闭型 L'électrovalve de type VMR c'est une soupape de sûreté normalement fermée. Dans des conditions de repos, le ressort agit sur le clapet de la soupape gardant ainsi fermé le passage du gaz. Quand la bobine est alimentée, la soupape s'ouvre. Quand le courant d'alimentation est coupé, la soupape se ferme rapidement....

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Safety solenoid valves for air and gas slow opening and fast closing type Valvole elettromagnetiche di sicurezza per aria e gas apertura lenta e chiusura rapida Elektromagnetisches Sicherheitsventile fur Luft und Gas langsam offnend und schnell schliessend The VML type valve is a safety valve that is normally closed, with fast or slow opening and adjustable rapid stroke for initial gas flow. When not in working position the spring works on the disc keeping the gas passage closed. When the coil is powered the valve opens rapidly in the first section of the flow, then slowly, with adjust-able speed....

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Electrovannes automatiques de sûreté pour l’air et le gaz ouverture lente et fermeture rapide Electroválvulas automáticas de seguridad para aire y gas abertura lenta y cierre rápido Предохранительные электромагнитные клапаны для воздуха и газа медленно открывающиеся и быстро закрывающиеся 气体安全电磁阀慢开快闭型 L'électrovalve de type VML c'est une soupape de sûreté normalement fermée à ouverture rapide ou lente, avec partie rapide réglable pour le débit du gaz initial. Dans des conditions de repos, le ressort agit sur le clapet de la soupape gardant ainsi fermé le passage du gaz. Quand la bobine est alimentée,...

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Class A - Group 2 Multiple safety solenoid valve for gas regulating trains DE Elettrovalvola di sicurezza Kombi-Sicherheits- multipla per rampe gas Magnetventil fur The VMM type valve is a combination of two valves in an only compact and versatile valve housing. The first valve is a fast opening safety solenoid valve. The second valve may be a fast opening or a slow opening solenoid valve to adjust the gas flow, with a first adjustable fast stroke and a second adjustable slow stroke. It is possible connect a third by-pass valve, which performs by driver stage or to obtain a second fast (slow)...

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Electrovanne de sûreté multiple pour rampes à gaz Electroválvulas múltiples de seguridad para rampas de regulación de gas Комбинированный предохранительный электромагнитный клапан для газовых рамп 组合电磁阀用于燃气组合调节 La vanne VMM est l’intégration de deux électrovannes en un corps unique, compact et versatile. La première vanne est une vanne à ouverture et fermeture rapide de sûreté. La deuxième vanne peut être à ouverture rapide ou lente pour régler le flux du gaz, avec une course initiale rapide réglable et une deuxième course lente réglable. On peut raccorder en parallèle à celle-ci une troisième...

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IT Valvole di sicurezza apertura lenta e chiusura rapida con attuatore idraulico EN Safety shut off valves slow opening and fast closing with hydraulic actuator DE Elektromagnetisches Sicherheitsventile langsam offnend und schnell schliessend mit hydraulischen Antrieb The VMH type valve is a safety shut off valve for gaseous media operated by hydraulic actuator. It is suitable for gas blocking and releasing controls, as required in the main pipe of gas power burners, atmospheric gas boilers, industrial kilns and gas consuming appliances. When the actuator is energized, the valve opens slowly...

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Electrovannes automatiques de sûreté ouverture lente et fermeture rapide avec servomoteur hydraulique Electroválvulas automáticas de seguridad abertura lenta y cierre rápido con actuador hidráulico Предохранительные электромагнитные клапаны медленно открывающиеся и быстро закрывающиеся с гидравлическим серводвигателем 安全阀门缓慢开启和快速关闭与液压执行器 La vanne VMH est une vanne gaz de sécurité actionné par un servomoteur hydraulique. Elle est utilisé pour contrôler l’arrivé du gaz par un boiter de contrôle, ce qui requis pour des bruleurs gaz, chaudière gaz, fours industriels, et autre appareils utilisant...

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ENTightness control ITControllo di tenuta DE Dichtheitsprufung LD tightness control is designed to verify the absence of inadmissible leaks in gas trains composed by automatic shutoff valves. The check can be performed before the ignition of the gas burner or after its stop. This device is used in industrial firing processes and in forced draught burners (when power is higher than 1200 kW, according to EN 746-2 and EN 676). LD1 is the basic version composed by the electronic control, driven by a dedicated microchip. LD-LDM upgraded versions consist of electronic control integrated with pressure...

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General Catalogue

General Catalogue

Catalog excerpts

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