VPA26/2
9Pages

Catalog excerpts

ADCA INTERMITTENT BLOWDOWN VALVES VPA26/2 DESCRIPTION The VPA26/2 series of blowdown valves are specially designed for application on steam boilers, to remove sludge sediments which naturally settle on the bottom of the boiler. These intermittent valves operate manually or automatically with timed control. Available with diaphragm actuator and/or manual operation lever. MAIN FEATURES High quality hardened valve seat and plug. Manual or automatic intermittent timed control. Lockable in open position if supplied with manual operation lever. Practical foot operated lever. Maintenance free stem sealing. Tool-free quick exchangeable clamped-in seats, allowing fast and easy inline maintenance procedures. OPTIONS AND ACCESSORIES: Air filter regulator. Solenoid valve with timer control unit. Blowdown controllers. Mechanical limit switches. Inductive limit switch box. Water actuated version. Intermittent blowdown of steam boilers. VPA26/2S – carbon steel. VPA26/2i – stainless steel. Flanged EN 1092-1 PN 40. Flanged ASME B16.5 Class 300. CE MARKING – GROUP 2 (PED – European Directive) PN 40 VALSTEAM ADCA We reserve the right to change the design and material of this product without notice.

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ADCA BODY LIMITING CONDITIONS VPA26/2S FLANGED PN 40 * ALLOWABLE RELATED PRESSURE TEMPERATURE FLANGED CLASS 300 ** ALLOWABLE RELATED PRESSURE TEMPERATURE FLANGED PN 40 * ALLOWABLE RELATED PRESSURE TEMPERATURE * Rating according to EN 1092-1:2018; ** Rating according to EN 1759-1:2004. STEM SEALING FLOW RATE COEFFICIENTS (m³/h) ACTUATOR DATA DIAPHRAGM AREA SPRING RANGE AMBIENT TEMPERATURE PERMISSIBLE DIFFERENTIAL PRESSURES (bar) Minimum air pressure (bar) VALSTEAM ADCA We reserve the right to change the design and material of this product without notice.

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ØE HAND LEVER FOOT LEVER a) With welded-on flanges. a) Valve with pneumatic actuator only; b) Valve with hand lever only. VALSTEAM ADCA We reserve the right to change the design and material of this product without notice.

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ADCA OPTIONS AND ACCESSORIES VALVE WITH PNEUMATIC ACTUATOR ONLY VALVE WITH PNEUMATIC ACTUATOR AND MANUAL OPERATION LEVER VALVE WITH MANUAL OPERATION LEVER ONLY SOLENOID VALVE AND AIR FILTER REGULATOR INDUCTIVE LIMIT SWITCH BOX MECHANICAL LIMIT SWITCHES VALSTEAM ADCA We reserve the right to change the design and material of this product without notice.

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ADCA MANUAL OPERATION LEVER VERSIONS HAND LEVER FOOT LEVER LEVER ORIENTATION 3 (right) The manual operation lever can be supplied with different orientations to better suit the valve’s installation position. Orientations not shown in the image above are available under request. VALSTEAM ADCA We reserve the right to change the design and material of this product without notice.

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VALSTEAM ADCA We reserve the right to change the design and material of this product without notice.

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Hardened stainless steel * Seat gasket Stainless steel / Graphite * Valve plug Hardened stainless steel Lower stem guide Stainless steel / Graphite Seat retainer * Scraper ring * Plain bearing Bronze / PTFE PTFE; Graphite filled PTFE Stem guide Stainless steel filled PTFE Bolts (steel) Zinc plated steel Bolts (stainless steel) Lower actuator flange Yoke column (steel) Yoke column (stainless steel) Yoke lever column (steel) Yoke lever column (stainless steel) Upper actuator flange Upper spring carrier Zinc plated steel Crimp clamps Zinc plated steel Upper actuator cover Lower actuator cover...

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Lower diaphragm disc Diaphragm plate Spring guide Zinc plated steel Zinc plated steel Zinc plated steel * Plain bearing Steel / PTFE * Seal ring Bolts (steel) Zinc plated steel Bolts (stainless steel) Nuts (steel) Zinc plated steel Nuts (stainless steel) Coupling / travel indicator Zinc plated steel; plastic Vent plug Brass; plastic Hand lever handle Foot lever handle Lever axis shaft Elastic ring Elastic ring Lever fixing bolt * Available spare parts. VALSTEAM ADCA We reserve the right to change the design and material of this product without notice.

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ADCA ORDERING CODES VPA26/2 Valve model Intermittent bottom blowdown valve, two way, straight body Valve series Series 2 Body material A216 WCB / 1.0619 carbon steel Valve with actuator only Valve with actuator and hand lever Valve with actuator and foot lever Valve with hand lever only Valve with foot lever only Without lever Standard position Lever rotated 90º to the left (relative to the flow direction) Lever rotated 90º to the right (relative to the flow direction) Steel construction Stainless steel construction Steel construction – water actuated Stainless steel construction – water...

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VPA26/2 9Pages

Catalog excerpts

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VPA26/2
9Pages