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Manafacture: Omega Speaker Systems File size: 431.89 kb File name: M0382.pdf Language of manual:

These units feature an SPDT switch, which can be triggered at any point along the flow range FEATURES • Strong, completely sealed die cast aluminum body, water and oil tight • Forrped double sealed aluminum cover (with lip) anodized • Unbreakable Lexan window (full cover) • Oversize neoprene cover gasket matches with double ribbed lip of die cast body. Other seals — Buna-N • Chrome plated pan head cover screws with screw retainers • Wire guards • Easy wire top screw micro switch • Mounts in any direction • Easy set point adjustment • Direct reading for oil or water UNPACKING Remove the Racking List and check off actual equipment received. If there are any questions about the shipment, please call OMEGA Customer Service Department at (203) 359-1660. Upon receipt of shipment, inspect the container and equipment for any signs of damage Take particular note of any evidence of rough handling in transit. Immediately report any apparent damage to the lipping agent. NOTE The carrier will not honor any claims unless all shipping material is saved for their examination. After examining and removing contents, save packing material and carton in the event reshiprrtent is necessary. PRINCIPLE OF OPERATION (See Parts Diagram) An orifice piston containing a magnetic ring is located inside of the Flowmeter body, and is part of the sliding piston assembly. A spring returns the piston and magnet to the "no flow" position. There is a flow orifice in the center of the piston which is blocked in the "no flow" position by the stationary metering cone. The piston movement presents a gradually increasing flow area. Incoming flow will build up pressure to push the piston to a position on the cone where the pressure drop across the increased area and the spring force are in balance. The variable area feature produces uniform scale increments throughout the adjustment range. A — Electrical Outlet B — Ground C — Flow Meter Cartridge Asm. D — Tapered Metering Cone E — Orifice Piston Asm. (magnetized) F — Indicator (follower) G — Die Cast Housing H — Micro Switch — Switch Adjustment iC — Seals L — Cover Asm. w/Screw Retainers M — Scale N — Cartridge Holding Screw INSTALLATION DIMENSIONS 1 -7-5/32" M3/V — — 1-15/3T* 9) 9> FLOW RATE INCH CATO« W/CCNTHOL SWITCH KUMAS X>ttlNO:yM uQiv?:xoNt aivuMO'u 0 £ 7- — 5/8" ALSO TO BOTTOM OF OPTIONAL MOUNTING BRACKET RECOMMENDED INSTALLATION PRACTICES Water hammer and surges can be damaging to any flowmeter and must always be avoided. Water hammer occurs when a liquid flow is suddenly stopped as with quick closing and solenoid operated valves. Surges occur when flow is suddenly begun, as when a pump is turned on at full power or a valve is quickly opened. Liquid surges are particularly damaging to flowmeters if the pipe is originally empty. To avoid damaging surges, fluid lines should remain full (if possible) and pumps should be brought up to power slowly and valves opened slowly. In addition, to avoid both water hammer and surges, a surge chamber should be installed. -PARTS DIAGRAM 1/4" SPECIFICATIONS ACCURACY: ±5% full scale REPEATABILITY: ±1% full scale SWlTCHrMicro SPDT; 15 amps @ 480 Vac MAX. PRESSURE: 3000psig with 3:1 safety factor for fluid models; 600 psi with 10:1 safety factor for air models MAX. TEMPERATURE: 240°F for FL-7600; 180°F for FL-7825 FLOW METER BODY: Aluminum EFFECT OF DENSITY: The meter is affected by fluid density. Most petroleum based fluids have a specific gravity very close to the .84 used for calibration. For heavier fluids, the indicated flow reads high and correspondingly lighter fluids cause the readings to be low. For these cases a properly calibrated scale can be used or a correction factor applied to the standard scales. A correction chart is available for fluids from 1.25 to .65 specific gravity. The correction factor is: Oil Scale — ^.84specific gravity Water Scale — NJl.O specific gravity For petroleum based hydraulic fluids, this correction factor is small enough to be ignored. Meters are calibrated for air with a specific gravity of 1.0. For gasses heavier or lighter than air refer to conversion chart. PRESSURE DROP (LOSS) OIL Approximate pressure drop of oil at normal temperatures. Add 10% to pressure for water. CALIBRATION: Meters are calibrated for oil at .84 specific gravity at 110°F±5°F; water at 1.0 specific gravity at 110°F±5°F; or air at 100 psi and 70°F. PRESSURE DROP (LOSS) AIR n loo m 1» m ROW - SCFM AM 100 PSI * 70*F e now mates imma wmMwr hmimmi i tcmpcraturu ten* WNifK f« • Cwwnie«i helot lor «M pwiuif. fc ■ Con*wvioft todor tor tsmpferMim' TASLC1 Pf ICSSUM COfMM CTKHI FACTOH (fc) Off€WATINQ PWESaiUWC. p*9 1700 1331 100 125 190 175 200 *25 .«I _JUÎÎ_ V ««■*♦»* t«i«i TmmtniMcowwcnowfacto«m OPERATING TEMPERATURE. *f M1 Ml 1.00 1010 IMT 1055 1.0n 1.0*0 1107 ''I TUUI flPCOPIC OMAWTY CO'MICCnOM FACTOR c CAPACITIES FL-7602 Oil .84 0.2 to 1.6 3/«" NPT 3'A" TA" TM" FL-7605 Oil...

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