Catalog excerpts
ADCA DIAPHRAGM SENSING PRESSURE REDUCING VALVES P20D DESCRIPTION The ADCA P20D is a series of direct acting, spring-loaded, diaphragm sensing and balanced plug pressure reducing valves. These regulators are designed for use with compressed air, water and other gases and liquids compatible with the construction materials and valve design. They are suitable for pressure reducing applications at the point of use in laundry and dyeing machines, food industries, sterilizers, etc. MAIN FEATURES Compact design. Non-rising adjustment knob. Balanced valve plug. Completely machined from solid bar stock material. Ultrasonically cleaned. OPTIONS: Leakage line connection. Gauge connection on body. Different soft valves for liquids and gases. Top cap (adjustment screw with cover). Degreased for oxygen application. Panel mounting. Self relieving. Compressed air, water and other gases and liquids compatible with the construction. AVAILABLE MODELS: P20D – stainless steel, diaphragm sensing. Female threaded ISO 7 Rp, ISO 228 or NPT. Flanged EN 1092-1 PN 40. Flanged ASME B16.5 Class 150 or 300. Horizontal or vertical installation. See IMI – Installation and instructions. LIMITING CONDITIONS CE MARKING – GROUP 2 (PED – European Directive) PN 40 Valve model FLOW RATE COEFFICIENTS (m³/h) SIZE Kvs VALSTEAM ADCA Body design conditions Max. recommended reducing ratio * Rating PN 63 for threaded versions. We reserve the right to change the design and material of this product without notice.
Open the catalog to page 1ADCA OPTIONS PRESSURE GAUGE CONN. LEAKAGE LINE CONNECTION PANEL MOUNTING Optional panel mounting version Optional pressure gauge connection Optional leakage line connection * Different face to face dimensions on request. Remarks: As standard, in versions manufactured with EN 1092-1 flanges or ISO threads, connections d1 and d2 are female threaded ISO 228. In versions with ASME B16.5 flanges or NPT threads, these connections are female threaded NPT. VALSTEAM ADCA We reserve the right to change the design and material of this product without notice.
Open the catalog to page 2Optional leakage line connection Optional relieving version Optional panel mounting version Valve body Bottom cover * Valve head * Piston o-ring Valve spring Pusher disc * Lower diaphragm * Upper diaphragm Spring plate * Serrated washer VALSTEAM ADCA We reserve the right to change the design and material of this product without notice.
Open the catalog to page 3* Adjustment spring Spring guide Adjustment screw Adjustment knob Painted aluminium Corrosion resistant steel Shaft ring Stainless steel Adjustment screw Leakage line ring Cover for panel mounting Panel mounting ring * Available spare parts. ** Others on request. Remark: All valves have a serial number. In case of non-standard valves this number must be supplied if spare parts are ordered. VALSTEAM ADCA We reserve the right to change the design and material of this product without notice.
Open the catalog to page 4ADCA ORDERING CODES P20D Valve model P20D – diaphragm sensing pressure reducing valve Regulating range Nº 1 – 0,2 to 1,5 bar Oxygen (degreased) V Maximum inlet pressure D NBR / PTFE Gauge port options Without gauge ports Gauge port on the left side (relative to the flow direction) Gauge port on the right side (relative to the flow direction) Gauge ports on both sides Top cap, relieving, leakage line connection and panel mounting Non-relieving Relieving (only for non-dangerous gases) Relieving with leakage line connection Non-relieving with top cap (adjustment screw with cover) Relieving...
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