Type 0121
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DATA SHEET Direct-acting 2/2 or 3/2-way pivoted armature valve • Direct-acting, media-separated valve up to DN 8 • Maintenance-free pivoted armature technology • Vibration-proof, block screwed coil system • Service-friendly, robust manual override • Explosion-proof variants Product variants described in the data sheet may differ from the product presentation and description. Type 1087 Timer, form A according to DIN EN 175301 - 803 Type 2518 Cable plug, form A according to DIN EN 175301 - 803 Type 2509 Cable plug, form A according to DIN EN 175301 - 803 The 0121 valve is a direct-acting, media separated pivoted armature valve. It is available as a 2/2 and 3/2-way variant. As a 3/2-way variant, it can be used as a distributor or mixing valve. Various diaphragm materials and circuit functions are available depending on the actual application. The range of bodies includes stainless steel, PTFE and PVC versions. The solenoid coils are moulded with a chemically resistant epoxy. Since the coil system is separated from the medium by a diaphragm, the valve is especially suitable for critical media such as aggressive acids and lyes. The 0121 is equipped with manual override for start-up and testing. To reduce energy demands, all the coils can be delivered with electronic power reduction or as an impulse variant. The switching status can be indicated via position feedback as a binary or NAMUR signal. Standard | EU | en | 2023 - 12 - 11 | 12 © Christian Bürkert GmbH & Co. KG, Subject to alterati

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General technical data Circuit functions Visit product website

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General technical data Product properties Dimensions Further information can be found in chapter “5. Dimensions” on page 8. Materials Seal FKM FFKM EPDM PTFE PVC (resistant according to DIN 8062, 8061) Stainless steel 1.4401 PVDF (on request) Further information can be found in chapter “4.1. Bürkert resistApp” on page 7. Material resistance Weight Standard version Explosion-proof version Orifice Circuit function Thermal insulation class of solenoid coil Performance data Duty cycle With stainless steel With PTFE Stainless steel body: 0.9 kg PVC body: 0.38 kg PTFE body: 0.5 kg Stainless steel...

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Medium data Operating medium With FKM With FFKM With EPDM All Materials Oxydizing acids and substances, hot oils with additives, salt solutions, waste gases Aggressive mediums, hot air, hot oils, aromatics, ether, esther, ketones Alkalis, acids to medium concentrations, alkaline washing and bleaching lyes Further information can be found in chapter “4.1. Bürkert resistApp” on page 7 Medium temperature standard version With body material PTFE or EPDM: - 30 °C…+ 90 °C FKM: - 10 °C…+ 90 °C stainless steel FFKM: - 10 °C…+ 90 °C With body material PVC EPDM: - 30 °C…+ 50 °C FKM: - 10 °C…+ 50 °C...

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Circuit functions Description Circuit function A (CF A) 2/2-way solenoid valve Direct-acting Normally closed Circuit function B (CF B) 2/2-way solenoid valve Direct-acting Normally open Circuit function C (CF C) 3/2-way solenoid valve Direct-acting Normally closed Circuit function D (CF D) 3/2-way solenoid valve Direct-acting Normally open Circuit function E (CF E) 3/2-way mixing valve (solenoid valve) Circuit function F (CF F) 3/2-way distribution valve (solenoid valve) Direct-acting 3.1. General notes • The approvals and conformities listed below must be stated when making enquiries. This...

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3.5. Nordamerika (USA/Kanada) Approval SOLENOID FOR USE IN HAZARDOUS LOCATIONS E504714 Description Optional (valid for coils): UL Hazardous Locations – Explosion Protection UL Listed for Hazardous Locations for USA and Canada Class I, Zone 1 Class I, Division 2, Group A, B, C and D Class II + III, Division 2, Group F and G Optional (valid for valves): UL Recognized for the USA The valves are UL Recognized for the USA according to: • UL 429 (electrically operated valves) and UL 429A (Electrically Operated Valves for Fire Protection Service) Optional (valid for valves): CSA for Canada The...

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4.1. Bürkert resistApp Bürkert resistApp – Chemical resistance chart You want to ensure the reliability and durability of the materials in your individual application case? Verify your combination of media and materials on our website or in our resistApp. Start chemical resistance check 4.2. Material specifications Note: This sectional drawing shows the standard version with PVC housing and FKM seal. Element Coil O-ring Toggle pin Seal Seat Valve body Material Epoxy FKM, FFKM, EPDM PTFE FKM, FFKM, EPDM PTFE PVC (resistant according to DIN 8062, 8061) Stainless steel 1.4401 PTFE PVC...

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5.1. Standard version Note: • Dimensions in mm • The dimensions of the cable plug Type 2518 can be found in chapter “Cable plug Type 2518, form A according to DIN EN 175301 - 803” on page 15. • The dimensions of the cable plug Type 2509 can be found in chapter “Cable plug Type 2509, form A according to DIN EN 175301 - 803” on page 16. Body material Stainless steel PVC PTFE Visit product website

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5.2. Explosion-proof version Terminal box version Note: • Dimensions in mm • Attaching device: M4 x 5 holes on the bottom of the housing on the hole pattern 38 x 24 mm Pivoting radius cover R84 max. screw-in depth for threaded connections Body material Stainless steel PVC PTFE Cable version Note: • Dimensions in mm • Attaching device: M4 x 5 holes on the bottom of the housing on the hole pattern 38 x 24 mm cable length acc. to ordering information D max. screw-in depth for threaded connections Body material Stainless steel PVC PTFE Visit product website

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Device/Process connections 6.1. Pin assignment standard version Note: The pin assignment (marked No. 1, 2 and 3 in the drawing) depends on the circuit function. In the table, compare the respective pin assignment with the corresponding circuit function. Circuit function A B C D E F 6.2. Pin assignment explosion-proof version Note: The pin assignment (marked No. 1, 2 and 3 in the drawing) depends on the circuit function. In the table, compare the respective pin assignment with the corresponding circuit function. Circuit function A B C D E F Visit product website

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