Related Manuals for metso automation neles NP Series
Summary of Contents for metso automation neles NP Series
- Page 1 POSITIONERS Series NP Installation, Maintenance and Operating Instructions 7 NP 72 en Issue 5/02...
-
Page 2: Table Of Contents
DRAWINGS AND PARTS LISTS ..12 METSO AUTOMATION ACTUATOR..4 13.1 Exploded view and parts list ....12 General . -
Page 3: Introduction
Parts list for Figure 1: INTRODUCTION Item Part General Beam Diaphragm piston The NP700 positioner is used for positioning double or single acting Shaft actuator. Cam plate Lever Operating principle 44.1 Pilot valve body 44.2 Pilot valve spool Operation is based on the force balance principle. One force is Changeover piece caused by the signal pressure (IN) and acts on the diaphragm (8), Coupling... -
Page 4: Approvals
The positioner is equipped with both VDI/VDE 3845 (S1) mounting NP724 1.0-8.0 0.6 / 0.3 12 / 7 face and Metso Automation (S2) mounting face. Both mounting faces require different shafts. S1: H coupling; S2: C coupling. NP726 8.0-30.0 0.9 / 0.5 18 / 10.4... -
Page 5: Installing Positioner Np700/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) NP_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)
- Page 7 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 PRELIMINARY ACTIONS FOR THE ADJUSTMENT CAUTION: Do not exceed the permitted actuator supply air Set the valve’s open and closed limits with the actuator limiter screws; see pressure! the valve instruction manual. The changeover piece (46) and the cam (29) must be in correct positions. -
Page 9: Pilot Valve
Pilot valve Rising input signal closes valve Rising input signal opens valve max 2 % Removal of the pilot valve is unnecessary when the changeover POSITION % piece is turned around. For instructions of removal, see Section 8.2. Position of the cam plate Choose the side, A or B, and the rising segment of the cam plate from Fig. -
Page 10: Split-Range Adjustment
Table 3. Shift caused by dead angle, mm/inch segment C α Segment C Segment E Segment D 20° 6.1/0.24 8.1/0.31 Roller contact point when the ball is completely closed 19° 5.8/0.22 7.7/0.30 18° 5.5/0.21 7.3/0.28 17° 5.2/0.20 6.9/0.27 16° 4.9/0.19 6.5/0.25 shift 15°... -
Page 11: Pilot Valve
tube installations between positioner and actuator, Pilot valve changeover piece or cam position wrong, see Fig. 4 Remove the pilot valve (44) by first loosening the nuts (49) and then actuator or valve jammed by lifting off the protective plate (48), the changeover piece (46) 2. -
Page 12: Drawings And Parts Lists
DRAWINGS AND PARTS LISTS 13.1 Exploded view and parts list... - Page 13 Item Qty Description Recommended spare part Item Qty Description Recommended spare part Housing assy Coupling Cover Gasket Protective cover Screw Exhaust port Grub screw Screw Support plate Beam assy Barrel nut Plate Spring Screw Hexagon plug Lower diaphragm plate Body Upper diaphragm plate Lock ring 13 *) 1...
-
Page 14: 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 15: 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 16: 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 17: 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 18: Type Code
Special cam. Single action, specified in the option sticker. Single action, linear motion EXTERNAL CONNECTION applicable only to Metso Automation D/R series diaphragm actuator, max. stroke 57 mm (2 1/4 in). PARTS Filter regulator for supply air type BELLOFRAM 51FR. - Page 20 Metso Automation Inc. Europe, Levytie 6, P.O. Box 310, 00811 Helsinki, Finland. Tel. +358 20 483 150. Fax +358 20 483 151 North America, 44 Bowditch Drive, P.O. Box 8044, Shrewsbury, MA 01545, USA. Tel. +1 508 852 0200. Fax +1 508 852 8172 Latin America, Av.
Need help?
Do you have a question about the neles NP Series and is the answer not in the manual?
Questions and answers