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Flow Rate Alarms Flow Rate Alarms

TYPICAL PRESSURE DIFFERENTIALS
For specific differential graphs,refer to Lake data sheet PDDS-404. M ATERIALS OF CONSTRUCTION (WETTED COMPONENTS) ALUMINUMBRASSSTAINLESS STEEL High-pressure casing, Aluminum Brass #303 Stainless Steel end ports and tapered shaft Seals Buna-N (STD), EPR,Buna-N (STD), EPR,Viton
® with Teflon
® Viton
® or Kalrez
® Viton
® or Kalrez
® backup (STD), Buna-N, EPR or Kalrez
® Transfer MagnetTeflon
® coated AlnicoTeflon
® coated AlnicoTeflon
® coated Alnico Floating Orifice DiskStainless SteelStainless SteelStainless Steel All other internal parts Stainless SteelStainless SteelStainless Steel
Teflon is a registered trademark of DuPont de Nemours & Co.Viton and Kalrez are registered trademarks of Dow DuPont Elastomers M ATERIALS OF CONSTRUCTION (NON-WETTED COMPONENTS) ALUMINUMBRASSSTAINLESS STEEL Enclosure & CoverAluminumAluminumAluminum SealsBuna-NBuna-NBuna-N WindowPyrex
® Pyrex
® Pyrex
® Din ConnectorPolyamidePolyamidePolyamide
Pyrex is a registered trademark of Corning Inc. P E R F O R M A N C E Measuring accuracy:±2.5% of full-scale in the center third of the measuring range; ±4% in upper and lower thirds Repeatability:±1% of full-scale Flow measuring range:0.05-150 GPM (0.2-560 LPM); 1.5-1300, SCFM (0.75-610 SLPS)Maximum operating pressure:aluminum and brass monitors: 3500 PSIG (240 Bar) stainless steel monitors: 6000 PSIG (410 Bar) Maximum operating temperature:media: 240ºF (116ºC), ambient: 180ºF (82ºC) Pressure differential:See graphs on the right for typical pre s s u re diff e re n t i a l s .Standard calibration fluids:Oil monitors: DTE 25
® @ 110ºF (43ºC), 0.873 sg Water monitors: tap water @ 70ºF (21ºC), 1.0 sg Air monitors: air @ 70ºF (21ºC), 1.0 sg and 100 PSIG (6.8 Bar) Enclosure:NEMA type 4X (UL Approved) Alarm switch dead-band:4% of full scale Alarm switch contacts:SPDT (dry contact), UL/CSA rating: 10 amps and 1/4 hp,125 or 250 VAC. 1/2 amp, 125 VDC; 1/4 amp, 250 VDC; 3 amps, 125 VAC “L” (lamp load) Filtration requirements:74 micron filter or 200 mesh screen minimum
DTE 25 is a registered trademark of Exxon Mobil MECHANICAL SIZE CODE DIMSERIES 3SERIES 4SERIES 5SERIES 5 A6-9/16" (167mm)7-5/32" (182mm)10-1/8" (258mm)12-5/8" (322mm) B2-3/16" (56mm)2-15/16" (75mm)3-13/16" (97mm)3-13/16" (97mm) C4" (101mm)4-1/2" (114mm)5-5/16" (135 mm)5-5/16" (135mm)

w w w. l a k e m o n i t o r s . c o m

D1-7/8" (47mm)1-7/8" (47mm)1-7/8" (47mm)1-7/8" (47mm) LAKE MONITORS2013 South 37th Street Milwaukee, WI 53215414.671.3577 / 800.850.6110Fax: 414.671.5253 E4-7/8" (128mm)5" (127mm)6-3/4" (172mm)6-3/4" (172mm) F2-1/4" (57mm)2-7/8" (73mm)3-3/4" (95mm)3-3/4" (95mm) Port SizesNPTF: 1/4", 3/8", 1/2"NPTF: 3/4", 1"NPTF: 1-1/4", 1-1/2"NPTF: 2"SAE: #6, #8, #10SAE: #12, #16SAE: #20, #24SAE: #32BSP:3/8", 1/2"BSP: 3/4", 1"BSP: 1-1/4", 1-1/2"BSP: 2"
Note: Consult factory for SAE brass monitor requirements . MNDS-404 7.5M CK / WGD / MAS ©Lake Monitors Inc. 2004