Avannto Flow Controls Manufacturing Co.,Ltd China
Dual plate check valve
Dual plate check valve, for mounting directly between flanges according to DIN. Maintenance not required. For liquids and gases in the industrial range, general services, water treatment. Not suitable for media with solid components.
Highlight: ·Full Vulcanized liner enhance the life circle from, prevent body from corrosion ·Low weight and short laying length saves initial cost, requires less space, and is easier to install ·Independent springs provide quick-closing, non-slam shut off for reduced water hammer potential ·Lightweight, spring-loaded discs have low cracking pressure for energy efficient operation. ·Contoured body provides a short and straight flow path with minimal turbulence. Specifications: Body Materials: Cast Iron, Ductile Iron, Stainless Steel Disk Materials: Ductile Iron, Stainless Steel Stem Materials: Stainless Steel Spring Materials: Stainless Steel Seat Materials: BUNA-N(NBR& Nitrile), EPDM Spacer Materials:PTFE Applications: Potable Water, Wastewater, HVAC, Irrigation, Metallurgy, Power Generation, Marine, Oil & Gas, Mining Material availability depends on valve size & series. Other materials are available. Please consult to us or your local AVANNTO representative for your specific condition. Nominal diameter: DN 40 - DN 1200 Face-to-face: EN 558-1 ISO 5752 API 594 Flange accommodation: EN 1092 PN 10/16 ASME B16.5 Class 150/ B16.47 Flange Surface Design: EN 1092 Form A /B ASME RF, FF Tightness check: EN 12266 (Leakage rate A) ISO 5208, Category 3 Temperature range: -10 °C to + 130°C (depending on pressure, medium and material) Max. Operating pressure: max. 16 bar
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