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SP/SMB3 / SP/SMB6 product brochure

SP/SMB3 / SP/SMB6 product brochure
12Pages

Catalog excerpts

Flow limiter SP/SMB3 Flow limiter SP/SMB6 for circulating-oil lubrication systems Flow limiters are used in large circulating-oil lubrication systems. The task of a flow limiter is to divide up the volumetric flow of the main line into parallel individual volumetric flow quantities and to “limit” these according to requirements, or to keep them constant. The volumetric flow generated is independent of the system pressure and virtually independent of viscosity. When exchangeable plug-in nozzles are used, it is possible to adjust the volumetric flow of the flow limiter as follows: SP/SMB3 in steps from 6.0 to 38.0 l/min SP/SMB6 in steps from 25.0 to 90 l/min This enables a subsequent adjustment of the volumetric flow. Advantages • reliable perpetual dispensation of individual volume flows - self-adjusting metering, thus identical volume flows despite different back pressures. - wide viscosity range, virtually independent of temperature and viscosity, thus the system conditions are stable • easy startup Pre-adjusted volume flows enabling short start up periods. • effective monitoring of the volume flow signal transmitter or piston detector react to deviations of the volume flow from approx. 15%. • wide range of operation, up to 200 bar • easy system design The demanded volume flow and flow limiter nozzle respectively, are determined during projection. • optional ATEX version or integrated gear indicator for volume flow The volumetric flow can either be monitored by a sensor or a piston detector (also retrofittable). A fault signal is emitted when the volumetric flow drops to approx. 85 % of th

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Flow limiter SP/SMB3 and Flow limiter SP/SMB6 pressure upstream of plug-in nozzle D1 pressure downstream of plug-in nozzle D1 nonadjustable orifice (plug-in nozzle) adjustable orifice control piston spring force pressure downstream of plug-in nozzle D2 (pressure outlet) cross-sectional area of control piston Flow limiter SP/SMB3 Dimension SP/SMB3 Inlet-/outlet G 3/4" Eingangs-/Ausgangsgewinde G 3/4” Due to the very short throttle length of the plug-in nozzle D1, the control characteristic is virtually independent of viscosity and temperature within the specified viscosity range. Functional...

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Flow limiter SP/SMB3 and Flow limiter SP/SMB6 Design Flow limiter SP/SMB3 with signal transmitter version E5 SP/SMB3 with sensor version E5, 24-230 V 3 Fault position when nozzle clogged Housing Spring-loaded piston Plug-in nozzle Pressure spring Signal transmitter (optional) E5 Sensor’s switching piston Normal position / go position Fault position when no pressure/flow Design Flow limiter SP/SMB3 with proximity switch E6 SP/SMB3 with proximity switch E6, 24 V Fault position when nozzle clogged = pin 2 open Normal position / go position = pin 2 glosed See important product usage information...

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Flow limiter SP/SMB3 and Flow limiter SP/SMB6 Ausbaulänge Installed length 43 Ausbaulänge Installed length Design Flow limiter SP/SMB6 with signal transmitter version E4 SP/SMB6 with sensor version E4, 24 V 1 Fault position when nozzle clogged and no pressure/flow 1 4 Housing Spring-loaded piston Plug-in nozzle Pressure spring Signal transmitter (optional) (E4) Sensor’s switching piston Normal position / go position Note Green and yellow LEDs light when Go signal received, when yellow LED goes out => fault signal.

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Flow limiter SP/SMB3 and Flow limiter SP/SMB6 Design Flow limiter SP/SMB6 with signal transmitter version E5 SP/SMB6 with sensor version E5, 24-230 V Fault position when nozzle clogged Housing Spring-loaded piston Plug-in nozzle Pressure spring Signal transmitter (optional) (E5) Sensor’s switching piston Normal position / go position Design flow limiter SP/SMB6 with proximity switch E6 SP/SMB6 with proximity switch E6, 24 V Fault position when nozzle clogged =pin 2 open Normal position / go position

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Flow limiter SP/SMB3 and Flow limiter SP/SMB6 General information Mounting position . . . any (Preferably vertical) Ambient temperature and Lubricant temperature range . . . . . . . . . .0 to + 100 °C Material . . . . . . . . . . . . . . . . . . . surface . . . . . . . . . . . . . . . . . . . . Weight SP/SMB3 . . . . . . . . . . . . . . SP/SMB6 . . . . . . . . . . . . . . . Gray cast iron zinc coated 2.6 kg 5.8 kg Hydraulics Nominal volumetric flow (also see related tables on pages 8/10) SP/SMB 3 ... stepwise from 6.0 to 38 l/min SP/SMB 6 ... stepwise from 25 to 90 l/min Working pressure p1...

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Flow limiter SP/SMB3 and Flow limiter SP/SMB6 Example of a circulatingoil lubrication system Example of a circulating-oil lubrication system 4 The pump (1) feeds the lubricant into the main line (2). The lubricant makes its way directly to the lube points from the flow limiters mounted in parallel (3-5). The pump’s volumetric flow has to be at least 15 % greater than the total nominal volumetric flow rates of all the connected flow limiters. Limitation of the system pressure is taken care of by the relief valve (6) built into the main line. The sensors (or piston detectors) screwed into the...

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Flow limiter SP/SMB3 and Flow limiter SP/SMB6 Table: Plug-in nozzles SP/SMB3 index nozzle Note! To order a flow limiter SP/SMB3, the customer has to create both a type designation and an order number. The latter has to be adjusted according to the flow limiter version. The order designation on page 9 shows how to create type designation and order number. The necessary nozzle type ( for type designation) as well as nozzle index (for order no.) can be taken from the table of plug-in nozzles SP/SMB3 on page 10.

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Flow limiter SP/SMB3 and Flow limiter SP/SMB6 Configuration of type designation for flow limiter SP/SMB3 ATEX = designation only for ATEX version, only with signal transmitter E5)) Rating designation of nozzle size Type description type nozzle, see table on page 8 Volumetric flow control /0 = without signal transmitter E4= with signal transmitter (and connector up to 24 V DC, with green and yellow LED) E5 = with signal transmitter 24 to 230 V AC/DC (coupler socket without LED) E6 = with proximity switch, 1) Version key 2 = outfitted with nozzle, FMP O-rings Modification letter A (factory...

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