Change over valves type 310/311 - Leser.ru

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OptionsFlange drillings and facingsFlange drillingsDN 25 40 50 65 80 100 125 150 200 250 300 25 40 50 65 80 100 125 150 200 250 300NPS 1" 1 ½" 2" 2 ½" 3" 4" 5" 6" 8" 10" 12" 1" 1 ½" 2" 2 ½" 3" 4" 5" 6" 8" 10" 12"Option Code – InletOption Code – OutletPN 10 Y96 Y96 Y96 Y96 Y96 Y96 Y96 Y96 Y96 Y96 Y96 Y97 Y97 Y97 Y97 Y97 Y97 Y97 Y97 Y97 Y97 Y97PN 16 Y13 Y13 Y13 Y13 Y13 Y13 Y13 Y13 Y13 Y13 Y13 Y23 Y23 Y23 Y23 Y23 Y23 Y23 Y23 Y23 Y23 Y23PN 25 Y01 Y01 Y01 Y01 Y01 Y01 Y01 Y01 Y05 Y05 Y05 Y05 Y05 Y05 Y05 Y05* * * * * *PN 40 Y02 Y02 Y02 * Y06 Y06 Y06* * * * * * * * * * * * * * *PN 63 Y03 Y03 Y03 Y03 Y03 Y03 Y03 Y03 Y03 Y03 Y03 Y07 Y07 Y07 Y07 Y07 Y07 Y07 Y07 Y07 Y07 Y07PN 100 Y04 Y04 Y04 Y04 Y04 Y04 Y04 Y04 Y04 Y04 Y04 Y08 Y08 Y08 Y08 Y08 Y08 Y08 Y08 Y08 Y08 Y08PN 160 Y17 Y17 Y17 Y17 Y17 Y17 Y17 Y17 Y17 Y17 Y17 Y27 Y27 Y27 Y27 Y27 Y27 Y27 Y27 Y27 Y27 Y27CL150 Y14 Y14 Y14 Y14 Y14 Y14 Y14 Y14 Y14 Y14 Y14 Y24 Y24 Y24 Y24 Y24 Y24 Y24 Y24 Y24 Y24 Y24CL300 Y16 Y16 Y16 Y16 Y16 Y16 Y16 Y16 Y16 Y16 Y16 Y26 Y26 Y26 Y26 Y26 Y26 Y26 Y26 Y26 Y26 Y26CL600 Y42 Y42 Y42 Y42 Y42 Y42 Y42 Y42 Y42 Y42 Y42 Y42 Y42 Y42 Y42 Y42 Y42 Y42 Y42 Y42 Y42 Y42CL900 Y43 Y43 Y43 Y43 Y43 Y43 Y43 Y43 Y43 Y43 Y43 Y43 Y43 Y43 Y43 Y43 Y43 Y43 Y43 Y43 Y43 Y43* = StandardFlange facingsDIN EN 1092 Inlet Outlet(also see LWN 313.40) Option Code Option CodeRaised face Form B1* *Form B2 Y09 Y21Tongue, Form C Y10 Y22Groove, Form D Y11 Y25Male, Form E Y12 Y28Female, Form F Y15 Y29O-ring Male, Form G Y18 Y30O-ring Female, Form H Y19 Y37ASME B16.5 Inlet OutletOption CodeOption CodeFlat Face, FF Y81 Y82Raised Face, RF Y83 Y84Ring Joint Face, RTJ Y85 Y86Small Tongue Face, STF Y65 Y73Small Groove Face, SGF Y66 Y74Long Tongue Face, LTF Y67 Y75Long Groove Face, LGF Y68 Y76Small Male Face, SMF Y69 Y77Small Female Face, SFF Y70 Y78Long Male Face, LMF Y71 Y79Long Female Face, LFF Y72 Y80OptionsOption Option Code DescriptionDrain holeY99 ( DN 200)G 1 / 4, as per DIN 3852 – Form XApplicationThe drain hole is used for draining the change-over valve. Especially forsecuring steam, the condensate can be removed through the holes.Technical designPlacement of a drill hole on the bottom of the flanged-end bend.Available for DN 25 to DN 500 / NPS 1" to 20"Y49 ( DN 250)G 1 / 2, as per DIN 3852 – Form XFinal position switchY98ApplicationThe final position switch is a device to show the closed side of thechange-over valve. In addition, visual and audible alarms or even processcontrols can be connected.Technical designInstallation of induction switches on the column structureAvailable for DN 25 to DN 500 / NPS 1" to 20"Flushing holeY38G 1 / 2, as per DIN 3852 – Form XApplicationFlushing hole is used for automatic cleaning processes like CIP or toavoid build-ups.In addition, the connection can be used to monitor the operatingpressure.Technical designPlacement of the connections in the centre of the elbow.Available for DN 25 to DN 500 / NPS 1" to 20"OptionsBypass with non return valvesY39ApplicationThe bypass with non return valves is used for pressure relief when movingthe cone to the side to be shut-off.The closed side is relieved after the change-over.Technical designConnection of the non return valves in the centre of the elbow.Available for DN 25 to DN 500 / NPS 1" to 20"04/01 LWN 487.01-E
OptionsOptionsOption Option Code DescriptionNeedle valveStop valve for pressure reliefLocking device for the hand wheelHeating jacketInletOutletOil and grease freeXZ51Y46Z50H32Flange connection DN25 / PN40H29Sleeve G 3 /4, as per DIN2986J85ApplicationThe needle valve is used to relieve the gap to the safety valve on theprocess side.Caution: The pressure in the gap must be relieved before maintenancebegins.Technical designInstallation of a needle valve on the bottom of the flanged-end bend.Available for DN 25 to DN 500 / NPS 1" to 20"ApplicationThe stop valve is used to relieve the pressure in the gap to the safetyvalve on the process side.Caution: The pressure in the gap must be relieved before maintenancebegins.Technical designInstallation of a shut-off valve on the bottom of the flanged-end bend.Available for DN 25 to DN 500 / NPS 1" to 20"ApplicationThe locking device is used to secure the hand wheel againstunauthorised adjustment.Technical designPlacement of bolts, link chains and lock on hand wheel and columnstructureAvailable for DN 25 to DN 200 / NPS 1" to 8"As of nominal diameter DN 250 to DN 500, a bevel gear drive isnecessary to move the cone. It is available with a locking device.ApplicationThe application areas for a heating jacket are for securing plants withmedia that tends to be viscose, crystallise, or clog.Technical designThe heating jacket is constructed around the change-over valve as awelded structure based on the order. It is available with loose flange orsleeve heating connections.Available for DN 25 to DN 500 / NPS 1" to 20"ApplicationWith this option, freedom from oil and grease is guaranteed for thechange-over valve.Technical designA visual check is performed for freedom from oil and grease, in which acheck is made to ensure the change-over valve is free of oil and grease.Available for DN 25 to DN 500 / NPS 1" to 20"Reducers weldedPlease specify the flange standard,DN and PNApplicationWith the exception of the Modulate Action series, all LESER safety valveshave a larger nominal diameter at the outlet than at the inlet. That way,reductions of 1, 2 or 3 nominal diameters can be supported.Technical designYou can find details on the reducers on pages 03/03 and 03/04.Available for DN 25 to DN 300 / NPS 1" to 12"Lockable combinationHand and sprocket wheelY35ApplicationWhen using a lockable combination, the change-over valves areequipped with a hand and sprocket wheel combination.Technical designDetails on the sprocket wheel can be found on page 03/02.Available for DN 25 to DN 500 / NPS 1" to 20"Lockable combinationHand and sprocket wheel and chainY36ApplicationWhen using a lockable combination, the change-over valves are equippedwith a hand and sprocket wheel combination and connected with a chain.Technical designDetails on the sprocket wheel and chain can be found on page 03/02.OptionsAvailable for DN 25 to DN 500 / NPS 1" to 20"LWN 487.01-E04/02
Page 1 and 2: BestAvailabilityChange-over valvesT
Page 3 and 4: ContentsOverviewChapter/PageLESER T
Page 5 and 6: General InformationGeneralApplicati
Page 7 and 8: General notesType-code and nominal
Page 9 and 10: Pressure lossCalculation of the pre
Page 11 and 12: Order formHow to order - change-ove
Page 13 and 14: Type 310Designs and materialsMateri
Page 15 and 16: Type 310Dimensions - Metric and US
Page 17 and 18: Type 310Order information - spare p
Page 19 and 20: Type 311 XXLDesigns and materialsMa
Page 21 and 22: Type 311 XXLOrder information - spa
Page 23 and 24: Combination with safety valvesLocka
Page 25: ReducersDimensions and weightsDN 1

Change over valves type 310/311 - Leser.ru

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