Metso NE700 Series Installation Maintenance And Operating Instructions
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Metso NE700 Series Installation Maintenance And Operating Instructions

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Summary of Contents for Metso NE700 Series

  • Page 1 Positioners Series NE Installation, Maintenance and Operating Instructions...

  • Page 2: Table Of Contents

    Mounting parts for B1C6-502 and positioner ..............4 B1J8-322 actuators (S1) ........16 Safety precautions ..........4 13.3 Mounting parts for Quadra-Powr® MOUNTING ON THE METSO ACTUATOR ....5 actuators (S1) ............17 General ..............5 13.4 Mounting parts for B1C6-20 and Installing positioner NE700/S1 on B1J8-20 actuators (S2) ........18...

  • Page 3: Introduction

    7 NE 72 en INTRODUCTION Parts list for Figure 1: Item Part General view Beam The NE700 electro-pneumatic posiotioner is used for posi- Diaphragm piston tioning double or single acting actuator. Restriction Feed-back shaft Principle of operation Camplate Lever Operation is based on the torque balance. Force coil (152) 35.6 Range adjustment located in the field of the permanent magnet (168) creates...

  • Page 4: Technical Specifications

    7 NE 72 en Technical specifications Recycling and disposal of a rejected positioner Input signal (direct current) 4–20 mA, 0–20 mA Most positioner parts can be recycled if sorted according to Split ranges 4–12 mA material. Most parts have material marking. A material list is 12–20 mA supplied with the positioner.

  • Page 5: Mounting On The Metso Actuator

    Make sure pling. that the position of the shaft is unchanged relative to Old Metso Automation style mounting face code S2 is no the positioner. more available. 4. Place the limit switch on the positioner so that the For mounting parts for Metso actuators, see Sections 13.2 -...
  • Page 6 7 NE 72 en Table 2 Piping and operating times Piping Operating time / stroke (s) Actuator pilot valve Plastic/Cu/SS (mm) Plastic/Cu/SS (") Stroke vol. 10/8 12/10 ø4LC ø4 ø6 ø6 HC 0.3/20 0.6/37 1.1/67 2.3/140 4.3/262 5.4/330 (5.5) 10.5/640 (8.5) 21/1282 (16)
  • Page 7 7 NE 72 en DOUBLE-ACTING 1. Increasing input signal to open valve. Cam segments: B/0-100, A/0-50, A/50-100 2. Increasing input signal to close valve. Cam segments: A/0-100, B/0-50, B/50-100 NOTE: Reverse piping for ST actuators. SINGLE-ACTING (SPRING TO CLOSE) 3. Increasing input signal to open valve. Spring to close valve.

  • Page 8: Instrument Air Supply

    7 NE 72 en Instrument air supply CAUTION: Do not exceed the permitted actuator supply air pres- 220 W 47 mF sure! Rk=220 W 1000 W The supply air must be clean, dry and oil-free instrument air, e.g. according to standard ISA S7.3–81. Supply pressure is 1.4–8 bar (20–115 psi).

  • Page 9: Preliminary Actions For The Adjustment

    7 NE 72 en PRELIMINARY ACTIONS FOR THE In sticker inside the cover (2) has also been shown the posi- ADJUSTMENT tion for the lower end of the spring (40) in accordance with the actuator size. Set the valve's open and closed limits with the actuator lim- iter screws;...

  • Page 10: Basic Adjustment

    7 NE 72 en 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 Please note the procedures in Chapter 4 before the adjust- ball valve.

  • Page 11: Split-Range Adjustment

    7 NE 72 en Table 4 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. Valve series 4 mA. The valve should start to operate to closed direc- Valve T25, tion at 98 %, i.e.

  • Page 12: Replacement Of The Diaphragms

    7 NE 72 en 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). Check the O-ring (39) in the case and the location of the Replace the diaphragms (13, 14).

  • Page 13: Mechanical Defects

    7 NE 72 en Mechanical defects OPTIONS 1. A change in the input signal does not affect the position 10.1 NE700/R dust-proof construction (IP65) of the actuator. For extremely dusty environments. The protective cover (3)  supply pressure too low behind the standard posioner is replaced with an exhaust ...

  • Page 14: Drawings And Parts Lists

    7 NE 72 en DRAWINGS AND PARTS LISTS 13.1 Exploded view and parts list NE700/J_ NE700/S1 88 87 68, 99 64, 101 3, 69, 98 NE700/R NE700/_GN 27 28 NE700-K NE700A...
  • Page 15 7 NE 72 en Spare part Spare part Item Description Item Description category category Housing assembly Spring Cover assembly O-ring Protective cover Pilot valve assembly Exhaust port (NE700/_G) Gasket Screw Changeover piece Beam assembly O-ring Plate Protective plate Screw Hexagon nut Lower diaphragm plate Filter Middle diaphragm plate...

  • Page 16: Mounting Parts For B1C6-502 And B1J8-322 Actuators (S1)

    7 NE 72 en 13.2 Mounting parts for B1C6-502 and B1J8-322 actuators (S1) Item Description Mounting bracket Draught piece Washer Screw Screw Screw Coupling jacket...

  • Page 17: Mounting Parts For Quadra-Powr® Actuators (S1)

    7 NE 72 en 13.3 Mounting parts for Quadra-Powr® actuators (S1) Drive: male Drive: female spline Item Description Item 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)

    7 NE 72 en 13.4 Mounting parts for B1C6-20 and B1J8-20 actuators (S2) Item 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)

    7 NE 72 en 13.5 Mounting parts for B1C25-502 and B1J25-322 actuators (S2) Item Description Mounting bracket Draught piece 2 (4) Washer 2 (4) Screw Washer Screw Bushing Screw Locking nut Washer Screw...

  • Page 20: Type Code

    China, 11/F, China Youth Plaza, No.19 North Rd of East 3rd Ring Rd, Chaoyang District, Beijing 100020, China. Tel. +86 10 6566 6600. Fax +86 10 6566 2583 Middle East, Roundabout 8, Unit AB-07, P.O. Box 17175, Jebel Ali Freezone, Dubai, United Arab Emirates. Tel. +971 4 883 6974. Fax +971 4 883 6836 www.metso.com/valves...

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