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21A Proportional series

21A Proportional series
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21A Proportional series

Product catalog summary
Overview: This document provides technical specifications and features of various models of proportional solenoid valves, specifically designed for fluid output proportional to voltage change. These valves are direct-acting, 2/2 way normally closed (N.C.) types.
Specifications:
  • Models: 21A2KCV15-10, 21A2KCV20-10, 21A2KCV25-08, 21A2KCV30-05, 21A2KCV45-1X, 21A2KCV55-01.
  • Pressure Calibration: Ranges from 1 bar to 10 bar depending on the model.
  • Materials: Body made of Brass (UNI EN 12165 CW617N), armature tube and spring of Stainless Steel (AISI series 300), fixed core and plunger of Stainless Steel (AISI series 400), ring guide of PTFE, seal and gasket of V=FKM (fluoroelastomer).
  • Temperature Range: -10°C to +140°C.
  • Medium Compatibility: Suitable for water, inert gas, mineral oils (3°E), and gasoline.
  • Coil Power: Available in 8W and 12W options.
  • Protection Degree: IP 65 EN 60529 (DIN 40050) with coil fitted by connector.
Technical Features:
  • Designed for proportional fluid output based on voltage change.
  • No minimum operational pressure required.
  • Can be mounted in any position.
  • Max allowable pressure (PS) is 40 bar.
  • Proportional response features include hysteresis < 5%, repeatability < 3%, and sensitivity < 2%.
  • Tension range: 0-24 VDC with impulse range modulation (600 ÷ 800 Hz).
  • Not suitable for stagnating fluids or those that may deposit solid residues.
Additional Information:
  • Coil housing and coil former material are made from 100% virgin material.
  • Available with brass body without lead upon request.
  • Connector options include Pg 9 or Pg 11, conforming to ISO 4400 and IEC 335 standards.
  • ODE reserves the right to make technical and aesthetic modifications without prior notification.
See more

Catalog excerpts

21A Proportional series-1

Proportional solenoid valve 2/2 way N.C. - Direct acting :PRESENTATION: Solenoid valve designed for a fluid output proportional to voltage change. Minimum operational pressure is not required. Mounting in any position. Material used and tests carried out ensure reliability and long life time. TECHNICAL FEATURES: Max. allowable pressure (PS) 40 bar Ambient temperature: See coils catalogue page for its compatibility. Proportional response features: Hysteresis < 5% Repeatability < 3% Sensitivity < 2% Tensions range: 0-24 VDC 24 VDC impulse range modulation (600 ÷ 800 Hz), (see general information:proportional S.V. operation). These solenoid valves are not suitable for stagnating fluids, or for fluids that being subject to evaporation may deposit solid, calcareous or similar residues. G 1/4 155°C (class F) 180°C (class H) 155°C (class F) COIL HOUSING AND COIL FORMER MATERIAL ARE MADE BY 100% VIRGIN MATERIAL. Gaskets V=FKM (fluoroelastomer) SOLENOID VALVE CALIBRATED AT 10 bar - Flow rate in air Flow rate Flow rate Water, inert gas, mineral oils (3°E), gasoline Note Also available with brass body without lead. The “ODE ” reserves the right to carry out technical and aesthetic modifications without prior notification.

 Open the catalog to page 1
21A Proportional series-2

MATERIALS: Body Armature tube Fixed core Plunger Spring Ring guide Orifice Seal Gasket Brass - UNI EN 12165 CW617N Stainless steel AISI series 300 Stainless steel AISI series 400 Stainless steel AISI series 400 Stainless steel AISI series 300 PTFE Brass - UNI EN 12165 CW617N V=FKM V=FKM On request: Connector Connector conformity FEATURES: Electrical conformity Protection degree IEC 335 IP 65 EN 60529 (DIN 40050) with coil fitted by connector. SPARE PART: 1. Coil: See coils list

 Open the catalog to page 2
21A Proportional series-3

Proportional solenoid valve 2/2 way N.C. - Direct acting :PRESENTATION: Solenoid valve designed for a fluid output proportional to voltage change. Minimum operational pressure is not required. Mounting in any position. Material used and tests carried out ensure reliability and long life time. TECHNICAL FEATURES: Max. allowable pressure (PS) 40 bar Ambient temperature: See coils catalogue page for its compatibility. Proportional response features: Hysteresis < 5% Repeatability < 3% Sensitivity < 2% Tensions range: 0-24 VDC 24 VDC impulse range modulation (600 ÷ 800 Hz), (see general information:proportional...

 Open the catalog to page 3
21A Proportional series-4

Body Armature tube Fixed core Plunger Spring Ring guide Orifice Seal Gasket Brass - UNI EN 12165 CW617N Stainless steel AISI series 300 Stainless steel AISI series 400 Stainless steel AISI series 400 Stainless steel AISI series 300 PTFE Brass - UNI EN 12165 CW617N V=FKM V=FKM On request: Connector Connector conformity FEATURES: Electrical conformity Protection degree IEC 335 IP 65 EN 60529 (DIN 40050) with coil fitted by connector. SPARE PARTS: 1. Coil: See coils list

 Open the catalog to page 4
21A Proportional series-5

Proportional solenoid valve 2/2 way N.C. - Direct acting :PRESENTATION: Solenoid valve designed for a fluid output proportional to voltage change. Minimum operational pressure is not required. Mounting in any position. Material used and tests carried out ensure reliability and long life time. TECHNICAL FEATURES: Max. allowable pressure (PS) 40 bar Ambient temperature: See coils catalogue page for its compatibility. Proportional response features: Hysteresis < 5% Repeatability < 3% Sensitivity < 2% Tensions range: 0-24 VDC 24 VDC impulse range modulation (600 ÷ 800 Hz), (see general information:proportional...

 Open the catalog to page 5
21A Proportional series-6

MATERIALS: Body Armature tube Fixed core Plunger Spring Ring guide Orifice Seal Gasket Brass - UNI EN 12165 CW617N Stainless steel AISI series 300 Stainless steel AISI series 400 Stainless steel AISI series 400 Stainless steel AISI series 300 PTFE Brass - UNI EN 12165 CW617N V=FKM V=FKM On request: Connector Connector conformity FEATURES: Electrical conformity Protection degree IEC 335 IP 65 EN 60529 (DIN 40050) with coil fitted by connector. SPARE PARTS: 1. Coil: See coils list

 Open the catalog to page 6
21A Proportional series-7

Proportional solenoid valve 2/2 way N.C. - Direct acting :PRESENTATION: Solenoid valve designed for a fluid output proportional to voltage change. Minimum operational pressure is not required. Mounting in any position. Material used and tests carried out ensure reliability and long life time. TECHNICAL FEATURES Max. allowable pressure (PS) 40 bar Ambient temperature: See coils catalogue page for its compatibility. Proportional response features: Hysteresis < 5% Repeatability < 3% Sensitivity < 2% Tensions range: 0-24 VDC 24 VDC impulse range modulation (600 ÷ 800 Hz), (see general information:proportional...

 Open the catalog to page 7
21A Proportional series-8

MATERIALS: Body Armature tube Fixed core Plunger Spring Ring guide Orifice Seal Gasket Brass - UNI EN 12165 CW617N Stainless steel AISI series 300 Stainless steel AISI series 400 Stainless steel AISI series 400 Stainless steel AISI series 300 PTFE Brass - UNI EN 12165 CW617N V=FKM V=FKM On request: Connector Connector conformity FEATURES: Electrical conformity Protection degree IEC 335 IP 65 EN 60529 (DIN 40050) with coil fitted by connector. SPARE PARTS: 1. Coil: See coils list

 Open the catalog to page 8
21A Proportional series-9

Proportional solenoid valve Solenoid valve designed for a fluid output proportional to voltage change. Minimum operational pressure is not required. Material used and tests carried out ensure reliability and long life time. TECHNICAL FEATURES: Ambient temperature: See coils catalogue page for its compatibility. Proportional response features: 24 VDC impulse range modulation (600 - 800 Hz), (see general information:proportional S.V. operation). These solenoid valves are not suitable for stagnating fluids, or for fluids that being subject to evaporation may deposit solid, calcareous or similar...

 Open the catalog to page 9
21A Proportional series-10

MATERIALS: Body Armature tube Fixed core Plunger Spring Ring guide Orifice Seal Gasket Brass - UNI EN 12165 CW617N Stainless steel AISI series 300 Stainless steel AISI series 400 Stainless steel AISI series 400 Stainless steel AISI series 300 PTFE Brass - UNI EN 12165 CW617N V=FKM V=FKM On request: Connector Connector conformity FEATURES: Electrical conformity Protection degree IEC 335 IP 65 EN 60529 (DIN 40050) with coil fitted by connector. SPARE PARTS: 1. Coil: See coils list

 Open the catalog to page 10

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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.