EV220B - 13 Pages

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EV220B

Catalog excerpts

SERVO-OPERATED SOLENOID VALVES Tutti i dati ed i contenuti di questa scheda sono di proprietà esclusiva di Riels Instruments EV220B 15 – EV220B 50 is a universal indirect servo-operated 2/2-way solenoid valve program. Valve body in brass, dezincification resistant brass and stainless steel ensures that a broad variety of application can be covered. Built-in pilot filter as standard, adjustable closing time and enclosures up to IP67 ensures optimal performance even under critical working conditions. y For water, steam, oil, compressed air and gases y Flow range for water: 1.3 – 160 m³/h y Differential pressure: 0.3 – 16 bar y Media temperature from -30 – 140 °C y Ambient temperature: Up to 80 °C y Coil enclosure: Up to IP67 y Thread connections: From G ½ – G 2 y EV220B NC and NO brass version for neutral liquids and gasses y EV220BD NC DZR version for neutral and slightly aggressive liquids and gases y EV220BSS NC Stainless steel version for neutral and aggressive liquids and gases y Also available with NPT thread. y DN 15 – 50 y Viscosity: Up to 50 cSt y Water hammer damped y Built in filter for protection of pilot system y Adjustable closing time available

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Data sheet Brass valve body, NC Orifice size Seal material Code number Tutti i dati ed i contenuti di questa scheda sono di proprietà esclusiva di Riels Instruments Brass valve body, NO Seal material Orifice size Code number EPDM is recommended for water. NBR is suitable for oil, water and air FKM is suitable for oil and air. For water at max. +60 °C Low pressure steam, 4 bar: Max. +140 °C BA AC/DC and BB/BE DC coils: Max. +100 °C BO and BP coils: Max. +90 °C For water: Max. +60 °C BO and BP coils:

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Data sheet Technical data, brass valve body, NC and NO Main type The times are indicative and apply to water. The exact times will depend on the pressure conditions. Closing times can be changed by replacement of the equalizing orifice. Optional, but vertical solenoid system is recommended. Stainless steel Armature tube: Stainless steel Armature stop: Stainless steel Stainless steel Valve plate: Tutti i dati ed i contenuti di questa scheda sono di proprietà esclusiva di Riels Instruments

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Data sheet Dezincification resistant brass (DZR) valve body, NC Seal material Orifice size Media temperature min. to max.[°C] Code number EPDM is recommended for water. Low pressure steam, 4 bar: Max. +140 °C BA AC/DC and BB/BE DC coils: Max. +100 °C BO and BP coils: Max. +90 °C Technical data, dezincification resistant brass (DZR) valve body, NC Main type The times are indicative and apply to water. The exact times will depend on the pressure conditions. Closing times can be changed by replacement of the equalizing orifice. Tutti i dati ed i contenuti di questa scheda sono di proprietà...

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Data sheet Stainless steel valve body, NC Seal material Orifice size Media temperature min. to max.[°C] Tutti i dati ed i contenuti di questa scheda sono di proprietà esclusiva di Riels Instruments Technical data, stainless steel valve body, NC Code number EPDM is recommended for water. (steam max. +140° C / 4 bar). FKM is suitable for oil and air. For water at max. +60 °C Low pressure steam, 4 bar: Max. +140 °C BA AC/DC and BB/BE DC coils: Max. +100 °C BO and BP coils: Max. +90 °C For water: Max. +60 °C BO and BP coils: Max. +90 °C Main type The times are indicative and apply to water. The...

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Data sheet Dimensions and weight: Brass, DZR brass and stainless steel, NC and NO Weight without coil [kg] Mounting angle Tutti i dati ed i contenuti di questa scheda sono di proprietà esclusiva di Riels Instruments

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Data sheet Below coils can be used with EV220B 15 – EV220B 50 Type Power consumption IP00 with spade connector IP20 with protective cap, IP65 with cable plug IP00 with spade connector IP20 with protective cap, IP65 with cable plug Tutti i dati ed i contenuti di questa scheda sono di proprietà esclusiva di Riels Instruments Hum free With terminal box and 1 m cable IP67 only including seal kit 018Z0090 For explosion-risk environment zone 1. With terminal box and 5 m cable For further information and for ordering, see separate data sheet for coils.

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Data sheet Accessories: Cable plug GDM 2011 (grey) cable plug according to DIN 43650-A PG11 Universal electronic multi-timer, type ETM Voltage [V AC] Tutti i dati ed i contenuti di questa scheda sono di proprietà esclusiva di Riels Instruments External adjustable timing from 1 to 45 minutes with 1 to 15 seconds drain open. With manual override (test button). Electrical connection DIN 43650 A / EN 175 301-803-A y Light diodes for indication y Light weight and small size y External adjustable timing from 1 minute to 45 minutes with 1 to 15 seconds drain open y Manual override (test button) y...

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Data sheet Manuel override unit, tool operated Stainless steel, seal NBR Brass, size DN 15–32, seal NBR Manual override unit, hand operated Code number Stainless steel, seal EPDM Used for manual override in event of power failure. Note: Valve height is increased by 16 mm. The unit consists of: Manual override body 4 screws 3 o-rings Used for manual override in event of power failure. The unit consists of: Armature incl. closing spring Armature tube Stainles steel valve body O-ring 3.68 x 1.78 O-ring 19 x 1.5 O-ring 5 x 2.5 4 screws 4 nuts for transportation purpose only Tutti i dati ed i...

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Data sheet Equalizing orifice The kit comprises: An equalizing orifice includes 2 O-rings. The valves closing time can be changed by installing an equalizing orifice of a size which deviates from the standard valve: y A shorter closing time is obtained with a larger orifice (the shorter closing time, the greater risk of water hammering) y A longer closing time is obtained with a smaller orifice. Code number Equalizing orifice size [mm] Tutti i dati ed i contenuti di questa scheda sono di proprietà esclusiva di Riels Instruments Adjustable orifice The kit comprises: An adjustable orifice...

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