Water & Wastewater Treatment

• Water • Irrigation • Pressure Management • Industrial • Hydropower 1. Bi-directional sealing 2. Body in ductile cast iron GGG50 or GGG40 (Stainless steel 1.4408 - 1.4308 on request) 3. Main seal in Technopolymer (TPU) 4. Stainless steel fork (Seamless construction) 5. Shaft, piston and seat in stainless steel (DUPLEX or SUPERDUPLEX on request) 6. Replaceable bronze bushes (Special AISI anti-seize) 7. Self-locking worm gear unit 8. Replaceable bronze guides (AISI 316 on request) (AISI316 + TFE) Sales Office: T: +44 (0) 1604 601188 E: customerservice@avkuk.co.uk www.avkuk.co.uk Greg Morris Technical Manager - Water T: +44 (0) 7810 377246 E: grmo@avkuk.co.uk AVK Series 872 Needle Valves, the widest range of needle valves available in the UK. Ranging in size from DN80- 2000 and with pressure ratings up to PN100 AVK Series 872 needle valves are designed for regulation or throttling of water at high flow rates and pressure in piping systems for water supply. The focus is on durability and reliability with the sturdy valve housing made of either stainless steel or ductile iron coated with fusion bonded epoxy. It regulates with high precision and the high quality materials guarantee long service life with easy maintenance access. Features • Product range from DN80-2000 • Pressure classes PN10/16/25/40/64/100 • Design and manufactured according to EN 1074-1 / EN 1074-5 / EN 1349 • Face-to-face according to EN 558 S15 (F5) • Flanges according to EN 1092-1/2 or ANSI B16.5 CL 150/300/600 • Easy installation • Corrosion protection by FBE coating, colour RAL 5005. • Potable water approved WRAS / DVGW • Class A tightness according to EN 12266 • Standardised face-to-face for the whole range • WIMES 8.01 compliant Benefits • State of the art design. • Innovative design for flow optimisation with a reduced pressure loss in open position. • Reduced torque. • Long life sealing systems. All gaskets are located safely in the no-flow zone. • Longevity of the valve in all conditions with all internal and moving parts in stainless steel. The body is completely protected by Heavy Duty Corrosion Protection FBE coating. (Small diameter valves supplied with stainless steel body) • Linear flow control up to 96% of the total stroke of the valve. • Cavitation prevention using bespoke solutions for all conditions. • Compact, lightweight and economic efficient design. • Manual and electrical operation available EXPECT... LASTING INNOVATIONS NEW TO THE AVK RANGE THE SERIES 872 NEEDLE VALVES 1 1 2 3 4 5 6 7 8 2 3 4 5 6 7 8 APPLICATIONS

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