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RD40 (DN 125 - DN 200)
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Catalog excerpts

ADCA WAFER-TYPE NON-RETURN VALVE RD40 DN 125 – DN 200 DESCRIPTION The RD40 disc check valves have a compact design and are specially designed for use with steam and hot condensate. MAIN FEATURES Low pressure drop. Simple and compact design. Overall lengths according to DIN EN 558-1 (DIN 3202 part 3, series K4). OPTIONS: Various soft sealing options: EPDM (E), NBR (N), VITON (V), PTFE (T). Inconel springs. Saturated steam, water and other gases and liquids compatible with the construction. AVAILABLE MODELS: RD40 – carbon steel body, stainless steel disc and seat. Sandwiched between flanges as per EN 1092 or ASME. Horizontal or vertical installation. See IMI – Installation and instructions. RECOMMENDED LIMITS OF OPERATION WITH SOFT SEALS BODY LIMITING CONDITIONS CE MARKING – GROUP 2 (PED – European Directive) PN 40 VALSTEAM ADCA WAFER PN 40 * ALLOWABLE PRESSURE RELATED TEMPERATURE * According to EN 1092. Minimum operating temperature: - 10 ºC. We reserve the right to change the design and material of this product without notice.

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* Centering ring required MATERIALS POS. Nº Centering ring * Soft seal EPDM; NBR; VITON; PTFE * Available spare parts. MINIMUM OPENING PRESSURES WITH STANDARD SPRING (mbar) SIZE Pressure drop, horizontal flow, standard spring (water – 20º) To determine the pressure drop of other mediums the equivalent water flow volume has to be calculated: Vw = Equivalent water flow volume in m³/h; Q = Density in kg/m³; V = Flow volume in m³/h VALSTEAM ADCA We reserve the right to change the design and material of this product wi

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