Back-Flushing Valves - Dorot Control Valves

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Back-Flushing ValvesModels 57 / 58 (“FlushGAL”)Materials:Part Material Optional materials1. Body & Cover Cast Iron SST2. Bolts & nuts Coated Steel SST3. Diaphragm NR NBR, EPDM, ALD or other4. Shaft SST 3035. Seat Brass SST6. Plug cone Brass SST7. Seal NR NBR, EPDM, ALD or other8. Spring (optional) SST 30221345678Hydraulic performance:Max. recommended flowat filtration modeMax. recommended flowat back-flushing modeFlow rate factorat filtration modeFlow rate factorat back-flushing modeModel 57 / 58Size 3 X 2 4 X 3m 3 /h 90 160gpm 400 705m 3 /h 40 90gpm 180 400Kv (metric) 130 160Cv (US) 150 185Kv (metric) 58 70Cv (US) 67 81Operating pressure range:Standard model: 0.7 - 10 bar / 10 - 150 psiHigh pressure model: 1 - 16 bar / 15 - 230 psiMaximum operating temperature: 60°C (140°F)12Head loss chart:psi mwc1410987654321098765432110 20 30 40 50 60 70 80 90 100 200 m 3 /h200 300 400800 gpm50 60 70 8090 100Filtration modeFlushing mode3x23x34x34x33x2 / 3x3Main parts:1. Bonnet2. Diaphragm kit3. Body4. Sealing ring5. Seat6. Plug7. Adapter334546712updated 01/2012
Models 57 / 58 (“FlushGAL”)Back-Flushing ValvesApplications:Gravel Media FiltersDisc Filter SystemOrdering guide:Ordering data Ordering code Ordering data5□ □ X □ □□ □ □ □□Main ports connectionsFlanged 7Grooved (VIC) 8Main Ports Size3" / 80mm → 3 Special Features4" / 100mm → 4 HP High Pressure (1-16 bar)Drain Port Size2" / 50mm → 2SKSpin-Klin versionCoating3" / 80mm → 3 R ← Polyester Red4" / 100mm * → 4 L ← Polyester BlueMain Ports Connections Standard X ← Other (Specify)ISO PN16 → I1 Drain Port Connection StandardANSI 125 → A1 V ← Grooved (VIC)BS TD / AS TD → BD B ← ** BSP ThreadGrooved → VI N ← *** NPT Thread* only available for the 58 model** only available for ISO / BSTD / ASTD*** only available for ANSI13updated 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 and 8: Model 58P (“Plaslite”)Back-Flus
Page 9 and 10: Model 58P (“Plaslite”)Back-Flus
Page 11: 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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