Water & Wastewater Treatment Magazine
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site solutions t: +44 (0) 1622 754613 e: sitesolutions@invictavalves.co.uk Our extensive range includes: • 3 and 4 sided penstocks • Weir penstocks • Flap valves • stop logs • Ancillaries including actuators size range - Dn150-2000 with bespoke sizes available from Dn3000 upwards. We can also offer comprehensive penstock solutions for water and waste water projects including flood resilience schemes working to tight deadlines. This includes product recommendation, bespoke solutions, design packages plus penstock installation and commissioning. These and other services come under the supply and fit package carried out by our site solutions team. For a full list of site solution services visit: www.invictavalves.co.uk/site-solutions/ invictA vAlves "totAl solution" - Penstock - system Design, suPPly & instAll. Member of the group AVK WALL PENSTOCK WITH NON-RISING STEM Closed frame for wall mounting, AISI 304, EPDM 772/61 001 AVK wall penstocks are square or rectangular with resilient sealing on all four sides of the slide. They are bi-directional up to and including 1200 X 1200 and in larger sizes available as bi- and uni-directional. The penstocks are with non-rising stem and closed frame, and are designed for wall mounting. AVK wall penstocks are also available with rising stem and for embedding in concrete. All penstocks in the comprehensive product range feature a low leakage rate and a reliable operation. Product Description: AVK wall penstock with non-rising stem for water and wastewater treatment Standards: • Designed according to DIN 19569-4 Features: • Fulfills requirements of Directive 95/9/CE (ATEX), Group II Category 2 (Zone 1) • Lower leakage rate than max. allowable in DIN 19569-4 (class 5): 1,20 L/min. per seating meter • Frame design allows easy mounting at medium height or floor level, and for elevated or flush bottom installation • Self-cleaning guides of HMWPE (high molecular weight polyethylene) reduce the friction during operation resulting in easy operation and extended seal durability • Self-adjusting "lip-design" sealing of EPDM mounted on the frame • Frame and slide of stainless steel AISI 304 and stem of stainless steel AISI 303 • All fasteners of stainless steel A2 • Seal and guides bolting is completely separated from the frame anchoring • Delivered with handwheel up to and including 1000X1000, in larger sizes with bevelgear Accessories: Handwheel on inclined wall stand, handwheel on straight floor stand, gear operator on straight floor stand, electric actuator on straight floor stand, hydraulic actuator, pneumatic actuator, yoke mounted handwheel, yoke mounted gear and crank, stem nut, stem extensions, stem guides and wall thimbles 1/2 COPYRIGHT©AVK GROUP 2014 Version no. 28 - 9-4-2014 8:33 Avk chAnnel Penstock DN150-2000 Stainless Steel DIN 19569-4 Avk Weir gAte Penstock DN150-2000 Stainless Steel DIN 19569-4 Avk stoP logs DN150-2000 Larger sizes available Stainless Steel 304, 316 or Duplex Steel Aluminium Avk rounD FlAP vAlve DN150-3000 Larger sizes available Stainless Steel or Duplex Avk sQuAre FlAP vAlve DN150-3000 Larger sizes available Stainless Steel or Duplex Avk WAll Penstock DN150-2000 Stainless Steel DIN 19569-4 For more information call us on +44 (0) 1622 754613 Email us at sales@invictavalves.co.uk or visit our website www.invictavalves.co.uk