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Flyer_Knife-Gate-Valves-Penstocks_Edition2_10-12-2012_EN.pdf

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VAG Knife-Gate Valves and Penstocks VAG ZETA ® Knife-Gate Valve up to DN 600 4. Scraper U-Seal 3. Thrust profile Thrust piece 1. Lateral seal 2. Sliding rod Technische Details ã Flange connection to EN 1092-2, PN 10 ã Maximum operating pressure PS 6/8/10 bar ã Nominal diameters DN 50 … DN 600 ã Field of application: Wastewater ã Face-to-face length to EN 558-1 Basic series 20 (DIN 3202 K1) ã Standard type: Body parts made of EN-JL 1040 (grey cast iron 25), bearing plate and thrust piec
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   VAG Knife-Gate Valves and Penstocks   VAG ZETA  ®  Knife-Gate Valve up to DN 600 4. ScraperU-Seal3. Thrust profileThrust piece1. Lateral seal2. Sliding rod Technische Details ã Flange connection to EN 1092-2, PN 10 ã Maximum operating pressure PS 6/8/10 bar ã Nominal diameters DN 50 … DN 600 ã Field of application: Wastewater ã Face-to-face length to EN 558-1 Basic series 20 (DIN 3202 K1) ã Standard type: Body parts made of EN-JL 1040 (grey cast iron 25), bearing plate and thrust piece made of EN-JS 1030 (DCI 40), U-seal and lateral seal made of elastomer (NBR), sheet-metal yoke structure made of stainless steel grade 1.4301, knife made of stainless steel grade 1.4301, stem made of stainless steel 1.4021 ã Internally and externally epoxy coated ã Types of actuation: -With handwheel -With hand lever -With electric actuator -With pneumatic actuator ã Special types: -With stem made of stainless steel grade 1.4057 -With knife made of stainless steel grade 1.4571 -With encapsulated yoke for submerged installation Product features ã Fully flanged valve, can be used as wafer-type or end-of-line valve without additional counter-flange at full operating pressure. ã Free passage prevents deposits in the valve bore. ã Tight in both flow directions. This prevents installation errors. ã Integrated scraper profiles on both sides for continuous cleaning of the knife increases the safety of operation and the service life. ã The lateral seal can be readjusted during operation and re-placed without dismantling the valve from the pipeline. This reduces maintenance time and downtime. ã The soft, profiled, elastic lateral guide of the knife ensures fail-safe sealing function. ã The specially profiled seal width in the bottom passage reduces maintenance work and guarantees safe operation. ã The compact body with stainless steel sheets effectively protects the valve against dirt and atmospheric influences. GuardKnifeBody 1234   VAG ZETA  ®  Knife-Gate Valve DN 700 and largerTechnical Details ã Flange connection to EN 1092-2, PN 10 ã Maximum operating pressure PS 2/2.5/4 bar ã Nominal diameters: DN 700 … DN 1400 ã Field of application: Wastewater ã Face-to-face length to EN 558-1 Basic series 20 (DIN 3202 K1) ã Standard type: Body parts made of EN-JL 1040 (grey cast iron 25), bearing plate and thrust piece made of EN-JS 1030 (DCI 40), U-seal and lateral seal made of elastomer (NBR), yoke and sheet-metal guard made of stainless steel grade 1.4301, knife made of stainless steel grade 1.4301, stem made of stainless steel 1.4021 ã Internally and externally epoxy coated ã Types of actuation: -With handwheel -With electric actuator ã Special types: -With stem made of stainless steel grade 1.4057 -With knife made of stainless steel grade 1.4571 Produkt features ã Fully flanged valve, can be used as wafer-type or end-of-line valve without additional counter-flange at full operating pressure. ã Free passage prevents deposits. ã Tight in both flow directions. This prevents installation errors. ã Integrated scraper profiles on both sides for continuous cleaning of the knife increase the safety of operation and the service life. ã The lateral seal can be readjusted during operation and re-placed without dismantling the valve from the pipeline. This reduces maintenance time and downtimes. ã Specially profiled lateral seal with double Quadring profile and integrated PTFE sliding rods for optimum guiding of the knife. ã The bearing of the knife and its axial guiding by PTFE sliding rails with elastic bearing reduce operation forces. ã The soft, profiled and elastic lateral guide of the knife ensu-res fail-safe sealing function. ã The specially profiled seal width in the bottom passage ensures that the valve is drop-tight. Protection panelU-seal1. Lateral seal 132 3. ScraperSlide railKnife2. Sliding rod   VAG ZETA  ®  control Knife Gate ValveTechnical Details ã Flange connection to EN 1092-2, PN 10 ã Maximum operating pressure PS 6/8/10 bar ã Nominal diameters DN 100 … DN 600 ã Field of application: Wastewater ã Face-to-face length to EN 558-1 Basic series 20 (DIN 3202 K1) ã Standard type: Body parts made of EN-JL 1040 (grey cast iron 25), bearing plate and thrust piece made of EN-JS 1030 (DCI 40), U-seal and lateral seal made of elastomer (NBR), protection panels made of stainless steel grade 1.4301; orifice plate made of stainless steel grade 1.4571, knife made of stainless steel grade 1.4571 or 1.4301 (DN 400 – 600), stem made of stainless steel grade 1.4057 (DN 50 – 350) or stainless steel grade 1.4021 (DN 400 – 600), stem nut made of brass ã Internally and externally epoxy coated ã Types of actuation: -With handwheel -With electric actuator -With pneumatic actuator ã Special types: -With stem made of stainless steel grade 1.4057 (DN 400... 600) -With knife made of stainless steel grade 1.4571 (DN 400...600) Product features ã Fully flanged valve, can be used as wafer-type or end-of-line valve without additional counter-flange at full operating pressure. ã Free passage prevents deposits. ã Tight in both flow directions. This prevents installation errors. ã Integrated scraper profiles on both sides for continuous cleaning of the knife increase the safety of operation and the service life. ã The lateral seal can be readjusted during operation and re-placed without dismantling the valve from the pipeline. This reduces maintenance time and downtimes. ã Integrated orifice plate with optimised control characteristic and free bottom passage. ã The mechanical position indicator of the knife makes the adjustment of the opening degree easier. 4. ScraperU-seal3. Thrust profileThrust pieceOrifice plate1. Lateral seal2. Sliding rodProtection panelPosition indicatorKnife 1234
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