Manuel d'utilisation / d'entretien du produit 667 du fabricant Emerson Process Management
Aller à la page of 24
www.Fisher.com D10031 1X012 Type 6 67 Diaphragm A ctuators S i z e 80 and 10 0 Contents Introduction 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Scope of Manual 1 . . . . . . . . . . . . . . . . . . . . . . . . . Description 2 . . .
667 Size 80 and 100 Actuators Instruction Manual Form 1432 December 2007 2 Table 1. Specifications SPECIFICATION ACTUATOR SIZE SPECIFICATION 80 100 Nominal Effective Diaphragm Area cm 2 1761 2902 Nomi.
667 Size 80 and 100 Actuators Instruction Manual Form 1432 December 2007 3 Figure 2. Schematic Representation of Type 667 Actuator DIAPHRAGM AIR LIFTS SPRING PUSHES DOWN ACTUA TOR STEM TYPE 667 REVERSEĆACTING DIAPHRAGM ACTUA TOR AF3833-A A6127 / IL increases valve seat load on valve applications where additional seat-loading is necessary.
667 Size 80 and 100 Actuators Instruction Manual Form 1432 December 2007 4 When an actuator and valve are shipped together, the actuator is normally mounted on the valve. Follow the valve instructions when installing the control valve in the pipeline.
667 Size 80 and 100 Actuators Instruction Manual Form 1432 December 2007 5 Adjustments Travel Make travel adjustments when the motion observed during actuator travel is different from the travel stamped on the actuator nameplate. If the Actuator Mounting procedure was followed correctly, this adjustment should not be necessary.
667 Size 80 and 100 Actuators Instruction Manual Form 1432 December 2007 6 For high spring forces, it is necessary to use spacers between the bottom of the yoke and the spring seat to isolate spring force from the adjusting nut.
667 Size 80 and 100 Actuators Instruction Manual Form 1432 December 2007 7 D Disconnect any operating lines providing air pressure, electric power, or a control signal to the actuator. Be sure the actuator cannot suddenly open or close the valve. D Use bypass valves or completely shut off the process to isolate the valve from process pressure.
667 Size 80 and 100 Actuators Instruction Manual Form 1432 December 2007 8 10. For actuators with a snubber (see figure 8): W ARNING To avoid personal injury due to the sudden, uncontrolled movement of parts, ensure the actuator spring is not under compression before removing the travel stop.
667 Size 80 and 100 Actuators Instruction Manual Form 1432 December 2007 9 Figure 4. Size 80 Actuator Construction CAP SCREW (KEY 12) SP ACER (KEY 2) UPPER DIAPHRAGM CASE (KEY 1) DIAPHRAGM (KEY 3) LOW.
667 Size 80 and 100 Actuators Instruction Manual Form 1432 December 2007 10 diaphragm. Do not exceed 68 N S m (50 lbf S ft) torque. 11. Insert the cap screws (key 13) into the diaphragm casing, and tighten the hex nuts (key 14) in the following manner.
667 Size 80 and 100 Actuators Instruction Manual Form 1432 December 2007 11 These instructions outline the procedure required to decrease high spring compression. Loosen the jam nut (key 26), and rotate the adjusting nut (key 25) until spring compression is relieved.
667 Size 80 and 100 Actuators Instruction Manual Form 1432 December 2007 12 Figure 5. Size 100 Actuator Construction DIAPHRAGM CASING COVER (KEY 15) UPPER DIAPHRAGM PLA TE (KEY 4) UPPER DIAPHRAGM CASI.
667 Size 80 and 100 Actuators Instruction Manual Form 1432 December 2007 13 spring interferes with installation of the lower diaphragm casing, reposition the spring by rotating the adjusting nut (key 25). 4. Install the lower diaphragm casing, and secure it by tightening the four hex nuts.
667 Size 80 and 100 Actuators Instruction Manual Form 1432 December 2007 14 For Actuators With the Top-Loaded Option Disassembly For key number locations refer to figure 7, and refer to the Top-Loaded Actuator Detail shown in figure 7. Also, refer to figure 5 for diaphragm construction details.
667 Size 80 and 100 Actuators Instruction Manual Form 1432 December 2007 15 when the diaphragm adaptor (key 245, fig ur e 5) is in st all ed . CAUTION If the diaphragm (key 3) is installed so air pressure is applied to the fabric side, it will immediately delaminate the sealing surface (smooth surface) from the fabric.
667 Size 80 and 100 Actuators Instruction Manual Form 1432 December 2007 16 18. Insert the cap screws (key 13) into the upper diaphragm casing (key 1), and finger tighten the screws. 19. Tighten the cap screws (key 13) in the following manner. The first four cap screws tightened should be diametrically opposed and 90 degrees apart.
667 Size 80 and 100 Actuators Instruction Manual Form 1432 December 2007 17 worm shaft (key 51). Thread the handwheel cap (key 127) onto the worm shaft.
667 Size 80 and 100 Actuators Instruction Manual Form 1432 December 2007 18 Assembly 1. The front and back worm retainers (keys 48 and 49) each have a slot in their threads for a set screw (key 52). Pack the ball bearings (key 50) with lithium grease, and insert one ball bearing into the back worm retainer (key 48).
667 Size 80 and 100 Actuators Instruction Manual Form 1432 December 2007 19 Key Description Part Number 8* O-Ring, nitrile (2 required) Size 80 1D542906992 Size 100 1H8627X0042 9* O-Ring, nitrile Size.
667 Size 80 and 100 Actuators Instruction Manual Form 1432 December 2007 20 Key 18 Spring, steel ACTUATOR SIZE RANGE TRAVEL COMPRESSION RATE MAXIMUM LOAD PART NUMBER COLOR CODE SIZE bar psi mm Inches N/mm Lb/in N Lb NUMBER CODE 0.2-1 3-15 76 3 175.1 1000 25,042 5630 1H747727082 Red 0.
667 Size 80 and 100 Actuators Instruction Manual Form 1432 December 2007 21 Figure 6. Size 80 Type 667 Actuator NOTE: KEYS 243, 244, 245, AND 246 ARE NOT SHOWN.
667 Size 80 and 100 Actuators Instruction Manual Form 1432 December 2007 22 Figure 7. Size 100 Type 667 Actuator NOTES: THIS P ART IS LOCATED 90 _ T O FRONT OF POSITION SHOWN 2.
667 Size 80 and 100 Actuators Instruction Manual Form 1432 December 2007 23 Figure 8. Size 80 Type 667 Actuator with Side-Mounted Handwheel and Hydraulic Snubber VIEW A SECTION BĆB B B VIEW A APPL Y .
667 Size 80 and 100 Actuators Instruction Manual Form 1432 December 2007 24 Figure 9. Size 100 Top-Mounted Handwheel APPL Y LUB 50A2624-F / DOC Emerson Process Management Marshalltown, Iowa 50158 USA Cernay 68700 France Sao Paulo 05424 Brazil Singapore 128461 www.
Un point important après l'achat de l'appareil (ou même avant l'achat) est de lire le manuel d'utilisation. Nous devons le faire pour quelques raisons simples:
Si vous n'avez pas encore acheté Emerson Process Management 667 c'est un bon moment pour vous familiariser avec les données de base sur le produit. Consulter d'abord les pages initiales du manuel d'utilisation, que vous trouverez ci-dessus. Vous devriez y trouver les données techniques les plus importants du Emerson Process Management 667 - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation Emerson Process Management 667, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le Emerson Process Management 667 va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le Emerson Process Management 667, mais vous avez pas encore lu le manuel d'utilisation, vous devez le faire pour les raisons décrites ci-dessus,. Vous saurez alors si vous avez correctement utilisé les fonctions disponibles, et si vous avez commis des erreurs qui peuvent réduire la durée de vie du Emerson Process Management 667.
Cependant, l'un des rôles les plus importants pour l'utilisateur joués par les manuels d'utilisateur est d'aider à résoudre les problèmes concernant le Emerson Process Management 667. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei Emerson Process Management 667 ainsi que les instructions sur la façon de les résoudre. Même si vous ne parvenez pas à résoudre le problème, le manuel d‘utilisation va vous montrer le chemin d'une nouvelle procédure – le contact avec le centre de service à la clientèle ou le service le plus proche.