Back-Flushing Valves - Dorot Control Valves

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Back-Flushing ValvesModel 58P (“Plaslite”)Hydraulic performance:Max. recommended flowat filtration modeMax. recommended flowat back-flushing modeFlow rate factorat filtration modeFlow rate factorat back-flushing modeSize 3X2 3X3 4X3 4X4m 3 /h 90 90 160 160gpm 400 400 700 700m 3 /h 40 90 90 160gpm 180 400 400 700Kv (metric) 130 130 160 160Cv (US) 150 150 185 185Kv (metric) 57 65 70 83Cv (US) 66 75 81 96Operating pressure range:Low pressure model: 1 - 6 bar / 15 - 90 psiStandard model: 2 - 10 bar / 30 - 145 psiMaximum operating temperature: 60°C (140°F)Head loss chart:psi mwc14109876541098765433x23x34x34x43x2, 3X34x3, 4X4123223110 20 30 40 50 60 70 80 90 100 200 m 3 /h200 300 400800 gpm50 60 70 8090 100Filteration modeFlushing mode456Main parts:1. Bonnet2. Diaphragm kit3. Body4. Sealing ring5. Seat6. Plug7. Spring8. Adapter9. Locking nut74898updated 01/2012
Model 58P (“Plaslite”)Back-Flushing ValvesApplications:Sand Media FiltersDisc Filter SystemOrdering guide:Ordering data Ordering code Ordering data58P □ □ X □ □ □ □□Pressure ratingStandard (2-10 bar) → SLow Pressure (1-6 bar) → LMain Ports Size3" / 80mm → 34" / 100mm → 4 Special FeaturesDWDrinking WaterDrain Port Size SW Sea Water2" / 50mm * → 2 MI Mining3" / 80mm → 3 SK Spin-Klin systems ®4" / 100mm → 4 AK Galaxy systems ®Drain connectionDrain port Thread typeGrooved (VIC) ** → V M ← MaleBSP Thread → B F ← Female (only in 3x2 model)NPT Thread → N O ← Grooved* Available only for 3” main ports only** Available only for 4” and 2”9updated 01/2012
Page 1 and 2: Back-FlushingValvesProduct Catalogu
Page 3 and 4: Table of ContentsBack-Flushing Valv
Page 5 and 6: IntroductionBack-Flushing ValvesHyd
Page 7: Model 58P (“Plaslite”)Back-Flus
Page 11 and 12: Models 57 / 58 (“FlushGAL”)Back
Page 13 and 14: Models 57 / 58 (“FlushGAL”)Back
Page 15 and 16: Double Chamber Valve Model 51 / 52B
Page 23 and 24: Double Chamber Valve Model 09 (“G
Page 25 and 26: Double Chamber Valve Model 09 (“G
Page 27 and 28: Normally Closed Valve Model 60Back-
Page 29 and 30: Models S-300, S-500, S-100Back-Flus
Page 31: Special Applications for Filtration

Back-Flushing Valves - Dorot Control Valves

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