Oval NPI45 Series Скачать руководство пользователя

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NPI45B00

Weight

：2.1kg

NPI45B10

NPI45B20

Weight

：2.1kg

NPI45B30

Weight

：2.2kg

Bottom View

G :

6-P18

Rc 3/8

※Standard terminal box location is top with respect to dial scale. A model with two terminal boxes has one at left (potentiometer).

S-156-3-E

12. OUTLINE DIMENSIONS

Содержание NPI45 Series

Страница 1: ...you with the information pertinent to the VALVE POSITION INDICATOR With the proper application of the information and knowledge contained in this manual you will be able to expect the best possible re...

Страница 2: ...10 MICROSWITCH POTENTIOMETER AND FRICTION CLUTCH ARRANGEMENTS 20 10 1 Direct reading Type and Microswitch Equipped Model 20 10 2 Potentiometer Equipped Model 20 11 ASSEMBLY DRAWINGS AND PARTS LIST 21...

Страница 3: ...riods of time upon receipt before installation unexpected faulty conditions could result If a long term storage is anticipated take the following precautions 1 Keep the OVAL Valve Position Indicator i...

Страница 4: ...is lightweight and compactly built OVAL Valve Position Indicator flowmeter offers electrical signal transmission to a remotely located point Features 1 Remote readout capability makes this indicator b...

Страница 5: ...480 0 05 to 10 2 Basic Body Specifications Item Description Indicating Accuracy 0 to 3 Accuracy as a flowmeter 0 3 The pointer full span at 97 to 100 of applicable cylinder capacity Max Operating Pres...

Страница 6: ...trical signal to a remotely located supervisory control room etc Microswitch Potentiometer Functions Transmits only the open or shut status as a contact closure signal Transmits the valve position as...

Страница 7: ...l force represented by a P1 a P2 acts on rotor A forcing it to turn in the arrow direction X At a 90 displaced position then rotors A and B alternate places with each other rotor B is forced to turn i...

Страница 8: ...S 156 3 E 5 MICROSWITCH POTENTIOMETER OPERATION DIAGRAMS CAUTION On specials priority is given to customer s specifications Dial Scale to Remote Indicating Signal Relationships...

Страница 9: ...specified Standard polyethylene insulated cable 0 3mm2 in conductor area 2 Transmission Length The maximum signal transmission length is one kilometer NOTE If it exceeds one kilometer consult the fact...

Страница 10: ...esult 3 With connector fitting screw washer and rubber packing removed pass them onto the cable pass the cable into the connector cover and pull it out toward the terminal block Rubber packing has con...

Страница 11: ...ver 6 Slide the cable rubber packing and washer into the innermost part of cover and tighten cable fitting screw NOTE To avoid sag of individual conductors inside the connector cover tighten the screw...

Страница 12: ...HUT or OPEN point Oval rotors continue revolving the pointer remains slipping for some time Symptoms above are indicative of excessive air or vapor in the line Bleed the line of air or vapor according...

Страница 13: ...c fluid to flow in this state make sure to see that gears in the reduction gear train 12 are moving Fig 8 2 If despite a hydraulic fluid flow the reduction gear train fails to move Taking off four M3...

Страница 14: ...measuring chamber for condition Fig 8 10 NOTE Each Oval rotor should be extracted in a straight line A Aren t Oval rotors jammed with foreign matter B Aren t rotors rotor shafts and other components w...

Страница 15: ...absence of signal output are A An open in the internal wiring B Microswitch positions out of adjustment C Microswitches are defective If this is the case replace with new ones See paragraph 6 in Sect...

Страница 16: ...d inspection reduce the pressure in the piping system completely shut off valves upstream and downstream of the indicator completely and place a suitable liquid receptacle under the indicator CAUTION...

Страница 17: ...lignment as shown in the inset CAUTION Deep scratches high spots by impressions and other unusual condition should be reconditioned flat with oil stone or other suitable tool 9 2 Magnetic Coupling Ass...

Страница 18: ...ar unit 12 as an assembly Inspect the gearing NOTE The reduction gear unit cannot be disassembled CAUTION 1 When separating the assembly be careful not to damage cables and conduit for field wiring 2...

Страница 19: ...in mesh 4 Check the magnetic coupling for freely rotation 5 Potentiometer installation and adjustment As for the setting of resistance value see Section 5 Microswitch Potentiometer Operation Diagrams...

Страница 20: ...t the pointer position is automatically corrected to the valve position 10 MICROSWITCH POTENTIOMETER FRICTION CLUTCH ARRANGEMENTS 10 1 Direct reading and Microswitch Equipped Model The friction clutch...

Страница 21: ...arks 1 Body 1 2 Rotor 1 set 3 End Plate 1 4 O Ring 1 G 45 5 Driving Magnet Ass y 1 6 Cylinder 1 7 O Ring 1 G 25 8 Top Cover 1 9 Following Magnet Ass y 1 10 O Ring 1 S 63 11 Register Cover 1 12 Reducti...

Страница 22: ...63 1 1 Register Cover 1 12 Reduction Gears 1 13 Friction Clutch 1 14 Dial Scale 1 15 Pointer 1 16 Bolt 6 M8 17 Screw 4 M3 18 Cap 1 19 Screw 4 M3 Sym No Part Name Q ty Remarks 20 Screw 1 M3 21 Gasket...

Страница 23: ...gnet 1 10 O Ring 1 S 63 11 Register Cover 1 12 Reduction Gears 1 13 Friction Clutch 1 14 Dial Scale 1 15 Pointer 1 16 Bolt 6 M8 17 Screw 4 M3 18 Cap 1 19 Screw 4 M3 Sym No Part Name Q ty Remarks 20 Sc...

Страница 24: ...Register Cover 1 12 Reduction Gears 1 13 Friction Clutch 1 14 Dial Scale 1 15 Pointer 1 16 Bolt 6 M8 17 Screw 4 M3 18 Cap 1 19 Screw 4 M3 Sym No Part Name Q ty Remarks 20 Screw 1 M3 21 Gasket 1 22 Bra...

Страница 25: ...5B20 Weight 2 1kg NPI45B30 Weight 2 2kg Bottom View 4 7 G 6 6 P18 Rc 3 8 Standard terminal box location is top with respect to dial scale A model with two terminal boxes has one at left potentiometer...

Страница 26: ...S 156 3 E All speci cations are subject to change for improvement 2013 01 Revised 2008 12 Revised S 156 3 E 2...

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