Metso KH Series Operating Instructions Manual Download | Manualshive

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INSTRUCTIONS AND
MAINTENANCE MANUAL

Knife Gate Valve, series KH

Installation, Maintenance and
Operating Instructions

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Summary of Contents for KH Series

Page 1: ...4 KH 70 en 2 2019 INSTRUCTIONS AND MAINTENANCE MANUAL Knife Gate Valve series KH Installation Maintenance and Operating Instructions ...

Page 2: ...ETY AND RECYCLING 3 2 1 Safety Precautions 3 2 2 Recycling and disposal 3 3 ASSEMBLY 4 3 1 Handling 4 3 2 Testing the Valve 4 3 3 Installation 4 3 4 Aspects to be considered during assembly 4 3 5 Assembly position Horizontal Pipe 5 3 6 Assembly positions Vertical Inclined Pipe 6 4 ACTUATOR 7 4 1 Handwheel Rising or Non Rising Stem and Stem with Gear Box 7 4 2 Chainwheel 7 4 3 Lever 7 4 4 Pneumatic...

Page 3: ... regulations and only for the type of operation that it is intended for Use only spare parts and accessories that are recommended by the manufacturer Every country state has its own safety regulations It is the work management s and installation engineer s responsibility to know and follow these If the recommendations in this manual diverge from those of your country s then the local safety regula...

Page 4: ...eformations In the case of dispatches by sea we recommend the use of vacuum bags inside the boxes to protect the equip ment from contact with sea water Pay special attention to maintaining the correct lev elling of the valves during loading and unloading as well as during transport to prevent deformations in the equipment For this purpose we recommend the use of mounts or trestles 3 2 Testing the ...

Page 5: ... drive system fol lowing the instructions and wiring diagrams supplied it The operation of the equipment must be coordi nated with the site s control and safety staff and no modifications are permitted in the equipment s external indication elements limit switches posi tioners etc When operating the equipment follow the safety recommendations indicated in this dossier 3 5 Assembly position Horizon...

Page 6: ...eck for any leakages from the packing gland to the atmosphere In the event of a leakage tighten the nuts on the packing gland crosswise until the leakage stops ensuring that there is no contact between the packing gland and the gate A very high tightening torque on the packing gland s nuts can lead to problems such as an increase in the valve s torque reduction in the packing s working life or the...

Page 7: ...ed to be connected to a 6 kg cm pneumatic network although these cylinders support up to 10 kg cm2 The pressurised air used for the pneumatic actuator must be correctly filtered and lubricated This type of actuator does not require any adjustment due to the fact that the pneumatic cylinder is designed for the exact stroke required by the valve 4 5 Hydraulic Double and Single Acting The hydraulic a...

Page 8: ...he air tanks depressurised The electrical control cabinets must also be out of service The maintenance staff must be up to date with the safety regulations and work can only start under orders from the site s safety staff The safety areas must be clearly marked and you must avoid placing auxiliary equipment ladders scaffolding etc on levers or mobile parts which will lead to the movement of the ga...

Page 9: ...suring the packing gland is correctly centred 12 Pressurise the valve in the line and tighten the packing gland crosswise enough to prevent leakages to the atmosphere Note The numbers in brackets refer to the components list in Table 5 Fig 7 5 4 Maintenance of the pneumatic actuator The maintenance of these cylinders is simple if your need to replace any elements and you have any questions please ...

Page 10: ...UMINIUM 6 SCRAPER NITRILE 7 SLEEVE NYLON 8 OUTSIDE O RING NITRILE 9 INSIDE O RING NITRILE 10 CIR CLIP STEEL 11 WASHER ST ZINC 12 O RING NITRILE 13 WASHER ST ZINC 14 SELF LOCKING NUT 5 6 ZINC 15 O RING NITRILE 16 TIE RODS F 114 ZINC 17 WASHER ST ZINC 18 NUT 5 6 ZINC 19 SCREW 5 6 ZINC 20 WASHER ST ZINC 21 NUT 5 6 ZINC 22 SCREW A 2 23 SELF LOCKING NUT A 2 24 PROTECTION S275JR ...

Page 11: ... etc Even less so if the equipment is not protected with packaging This recommendation is even more important in areas with high humidity and saline environments Wind can carry dust and particles which can come into contact with the valve s mobile parts and this can lead to operating difficulties The actuator sys tem can also be damage due to the introduction of particles in the different elements...

Page 12: ...VALVE SERIES KH Knife Gate Valve Lug type Bi directional 2 END CONNECTION L Lug 3 PRESSURE RATING J PN10 C ASME Class 150 4 BODY SIZE 050 DN 50 02 2 065 DN 65 2H 2 5 080 DN 80 03 3 100 DN 100 04 4 125 DN 125 05 Upon request 150 DN 150 06 6 200 DN 200 08 8 250 DN 250 10 10 300 DN 300 12 12 350 DN 350 14 14 400 DN 400 16 16 450 DN 450 18 18 500 DN 500 20 20 600 DN 600 24 24 700 DN 700 28 28 5 BODY M...

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