Related Manuals for metso automation NE Series
Summary of Contents for metso automation NE Series
- Page 1 POSITIONERS Series NE Installation, Maintenance and Operating Instructions 7 NE 72 en Issue 5/02...
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Page 2: Table Of Contents
10.3 NE700/A with pressure gauges ... 13 Metso Automation B series actuators..5 TOOLS......13 NE_700/700 positioner/limit switch combination 5 ORDERING SPARE PARTS. -
Page 3: Introduction
Parts list for Figure 1: INTRODUCTION Item Part General view Beam Diaphragm piston The NE700 electro-pneumatic posiotioner is used for positioning Restriction double or single acting actuator. Feed-back shaft Camplate Principle of operation Lever 35.6 Range adjustment Operation is based on the torque balance. Force coil (152) located Internal feed-back spring in the field of the permanent magnet (168) creates a torque Feed-back spring... -
Page 4: Approvals
NE700/U construction has CSA approval. The positioner is equipped with both VDI/VDE 3845 (S1) mounting face and Metso Automation (S2) mounting face. Both mounting CENELEC = European Committee for Electrotehnical Standardization faces require different shafts. S1: H coupling; S2: C coupling. -
Page 5: Installing Positioner Ne700/S1 On Metso Automation Actuators With Vdi/Vde 3845 Mounting Face
4. Fasten the mounting bracket (1) to the actuator. ear (2) pointer cover Fig. 6. Installing on a Metso Automation actuator (S2) NE_700/700 positioner/limit switch combination The bottom of the limit switch acts also as the cover for the positioner. - Page 6 Table 2. Piping and operating times Actuator Piping Operating time / stroke (s) pilot valve Plastic/Cu/SS (") Plastic/Cu/SS (mm) Stroke vol. 10/8 12/10 ø4LC ø4 ø6 ø6 HC 0.3/18 0.6/37 1.1/67 2.3/140 4.3/262 5.4/330 (5,5) 10.5/610 (8,5) 21/1282 (16) 43/2624 (33) 84/5126 (60)
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Page 7: Double-Acting
DOUBLE-ACTING 1. Increasing input signal to open valve. Cam segments: B/0-100, A/0-50, A/50-100 NP727 / NE727 2. Increasing input signal to close valve. Cam segments: A/0-100, B/0-50, B/50-100 C1 R NOTE: Reverse piping for ST actuators. SINGLE-ACTING (SPRING TO CLOSE) 3. -
Page 8: Instrument Air Supply
Instrument air supply jumper CAUTION: Do not exceed the permitted actuator supply air 47 F pressure! Rk=220 1000 The supply air must be clean, dry and oil-free instrument air, e.g. according to standard ISA S7.3-81. Supply pressure is 0.14-0.8 MPa (20-115 psi). -
Page 9: Preliminary Actions For The Adjustment
If in the field the valve overshoots, the spring (40) can be moved to PRELIMINARY ACTIONS FOR THE the ’a’ direction. If the valve goes into position too slowly the spring ADJUSTMENT can be moved to the ’e’ direction respectively. In sticker inside the cover (2) has also been shown the position for the Set the valve’s open and closed limits with the actuator limiter screws;... -
Page 10: Basic Adjustment
α BASIC ADJUSTMENT ADJUSTMENT α Basic adjustment is made to rotary and butterfly valves. adjustment is made to segment and ball valves. This adjustment takes into account the "dead angle" α of the ball valve. The entire signal range Please note the procedures in Chapter 4 before the adjustment. is then used for effective valve opening 90°-α... -
Page 11: Split-Range Adjustment
Table 5. Dead angle in degrees 5. Set the input signal to the other limit value. The valve should be entirely open at 100 %, i.e. 20 mA or at 0 %, i.e. 4 mA. The valve should start to operate to closed direction at 98 %, i.e. 19.7 mA Valve series or 4.3 mA. -
Page 12: Replacement Of The Diaphragms
Replacement of the diaphragms 8.4.3 Mounting the force coil-nozzle assembly Remove the spring (40) and loosen the screws (23). Remove the zero adjustment wheel, the screw (15) and the nut (16). Replace Check the O-ring (39) in the case and the location of the wire in the diaphragms (13, 14). -
Page 13: Options
2. The actuator goes to the final position with a small change input TOOLS signal. tubes between the positioner and the actuator, the In addition to standard general tools, you need the following changeover piece or the position of the cam wrong. equipment: calibration device for adjustments 3. -
Page 14: Drawings And Parts Lists
DRAWINGS AND PARTS LISTS 13.1 Exploded view and parts list... - Page 15 Item Qty Description Recommended spare part Item Qty Description Recommended spare part Housing assy Gasket Cover assy Changeover piece Protective cover O-ring Exhaust port (NE700/_G) Protective plate Screw Hexagon nut Beam assy Filter Plate Coupling Screw Connector Lower diaphragm plate Adapter Middle diaphragm plate Gasket...
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Page 16: Mounting Parts For B1C6-502 And B1J8-322 Actuators (S1)
13.2 Mounting parts for B1C6-502 and B1J8-322 actuators (S1) Item Qty Description Mounting bracket Draught piece Washer Screw Screw Screw Coupling jacket... -
Page 17: Mounting Parts For Quadra-Powr ® Actuators (S1)
13.3 Mounting parts for ® Quadra-Powr actuators (S1) Drive: male Drive: female spline Item Qty Description Item Qty Description Mounting bracket Mounting bracket Coupling half Adapter Screw Screw Screw Hex nut Screw Screw Screw Screw Coupling Washer Coupling jacket Screw Washer... -
Page 18: Mounting Parts For B1C6-20 And B1J8-20 Actuators (S2)
13.4 Mounting parts for B1C6-20 and B1J8-20 actuators (S2) Item Qty Description Mounting bracket Draught piece Washer Screw Bracket Washer Screw Washer Bushing Screw Stud (B1C6 only) Hexagon nut (B1C6 only) Locking nut Washer Screw... -
Page 19: Mounting Parts For B1C25-502 And B1J25-322 Actuators (S2)
13.5 Mounting parts for B1C25-502 and B1J25-322 actuators (S2) Item Qty Description Mounting bracket Draught piece 2 (4) Washer 2 (4) Screw Washer Screw Bushing Screw Locking nut Washer Screw... -
Page 20: Type Code
Connection plug acc. to DIN 43650A / ISO 4400 (PG11). Single action, linear motion Not available to option X, U, XU, ZU, P, L, I, NJ. applicable only to Metso Automation D/R Special construction. series diaphragm actuator, max. stroke 57 mm (2 1/4 in).
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