PRV25
6Pages

Catalog excerpts

ADCA PRESSURE REDUCING VALVE PRV25 DESCRIPTION The ADCA PRV25 is a series of direct acting pressure reducing valves designed for use on steam, compressed air, water and other gases and liquids. These regulators are suitable for reducing steam pressure at the point of use on laundry machines, dyeing, food industries, sterilizers, etc. MAIN FEATURES Compact design. Bellows specially designed for high durability. Non-rising adjustment knob. Lockable knob system. Built-in strainer. OPTIONS: Rising adjustment knob with lock nut. Top cap (adjustment screw with cover). Spring and dome load version. Gauge connection on body. Saturated steam, compressed air, water and other gases and liquids compatible with the construction. AVAILABLE MODELS: PRV25/2S and PRV25/2SG – carbon steel. PRW25/2S – carbon steel, balanced soft sealing. PRV25i and PRV25iG – stainless steel. PRW25i – stainless steel, balanced soft sealing. Suffix G: soft sealed with PTFE/GR. Female threaded ISO 7 Rp or NPT. Flanged EN 1092-1 PN 25. Flanged ASME B16.5 Class 150 or 300. Horizontal installation is recommended. A “Y” strainer should be installed upstream of the valve. See IMI – Installation and maintenance instructions. CE MARKING – GROUP 2 (PED – European Directive) PN 25 VALSTEAM ADCA We reserve the right to change the design and material of this product without notice.

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ADCA LIMITING CONDITIONS Valve model Body design conditions Maximum upstream pressure Maximum downstream pressure Minimum downstream pressure Maximum design temperature Maximum recommended reducing ratio Maximum dome loading pressure FLOW RATE COEFFICIENTS (m³/h) SIZE REGULATING RANGES SPRING COLOUR Spring loaded Spring and dome loaded *** * Only applicable to PRW models; ** Only applicable to PRV models. *** Ranges shown are related to adjustment spring loading forces. Total downstream pressure will correspond to the sum of the pressure resulting from the adjusted spring force and the...

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Optional rising adjustment knob Optional spring and dome loaded version * Optional gauge connection; ** Loading gas dome connection. Remarks: As standard, in versions manufactured with EN 1092-1 PN 16 flanges or ISO Rp threads, connections d1 and d2 are female threaded ISO 7 Rp. 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.

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Optional rising adjustment knob Soft sealing Balanced soft sealing (PRW) VALSTEAM ADCA Optional spring and dome loaded version We reserve the right to change the design and material of this product without notice.

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* Valve plug Hardened stainless steel * Valve head Graphite filled PTFE * Valve head * Valve spring * Strainer screen Bottom cover Stainless steel / Graphite * Guide bush * Plain bearing Bronze filled PTFE * Bellows gasket Stainless steel / Graphite * Adjustment spring Adjustment screw Adjustment knob Adjustment stem Stainless steel Spring identification plate Plastic; Aluminium Retaining washer Retaining ring Adjustment screw * Available spare parts. VALSTEAM ADCA We reserve the right to change the design and material of this product without notice.

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