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A178

Product catalog summary

Description: The document describes a solenoid valve that is a 2-way normally closed type with an assisted-lift diaphragm made from stainless steel AISI 316. It features an explosion-proof coil certified for hazardous areas under ATEX standards, with various temperature and pressure ratings.

Valve Construction: The valve body is constructed from AISI 316 stainless steel, and the seal material is FPM. The explosion-proof coil housing is made from a red-colored alloy, painted with epoxy powder, and offers electrical connections of 1/2” NPT, with M20x1.5 available on request.

Features: The valve operates with a minimum differential pressure of 0 bar and a maximum allowable pressure of 16 bar. It can handle fluids with a maximum viscosity of 25 cSt. The ambient temperature range varies depending on the temperature class (T6, T5, T4). The mounting position requires the coil to be vertical above the valve.

Technical Specifications: The document lists various models (A178CV15, A178DV16, A178EV20, A178FV25) with different connection sizes, orifice diameters, flow rates (Kv), and power ratings. The nominal power for the coil is 8W, and the temperature range for the seal is -10°C to +80°C.

Coils: The coils are available for both alternating current (AC) and direct current (DC) with voltage tolerances of +15% to -10% for AC and ±10% for DC. The protection class is IP66, and they are designed for continuous service (ED100%).

Overall Dimensions: The document provides dimensions for different connection sizes (G3/8”, G1/2”, G3/4”, G1”) with specific measurements for each.

Catalog excerpts

Series A178 DESCRIPTION Solenoid valve 2 way normally closed with assisted-lift diaphragm in stainless steel AISI 316. With explosion proof coil certified for hazardous area: ATEX II 2GDEx d IIC T6 or T5 or T4 Gb Ex tb IIIC T80°C or T95°C or T130°C Db IP66 Tamb -40°C ÷ +35°C(T6) or +50°C(T5) or +60°C(T4) CESI 03 ATEX 344 Extension No. 01/12 (other certifications e.g.EAC, INMETRO, CCOE etc. on request) VALVE CONSTRUCTION Body AISI 316 Seal material FPM EXPLOSION PROOF COIL CONSTRUCTION Housing Red colour alloy (painted with epoxy powder) Electrical connection 1/2” NPT (M20x1.5 on request) ON REQUEST Coil with stainless steel AISI 316 housing (coil series X6) FEATURES Minimum differential pressure 0bar Maximum allowable pressure PS 16bar Maximum fluid viscosity 25cSt (mm2/s) Ambient temperature: -40°C ÷ +35°C(T6), +50°C(T5), +60°C(T4) Mounting position with vertical coil above Nominal power Coil Series Width

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Series A178 Alternating Current 50/60Hz (V) Electrical connection DESCRIPTION Voltage tolerance AC +15% -10% DC ± 10% Protection class IP66 Continuous service ED100% OVERALL DIMENSION Modification of technical and dimensional specification reserved

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A178

A178

Catalog excerpts

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