Valmet Flowrox SKW DN50-600 Installation Maintenance And Operating Instructions Download Page 35 | Manualshive

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7

4SK70EN - 5/2023

The gate speed may not exceed 25mm/s.

2.6 Mechanical structure

SKW and SKF valves can be delivered with the actuator

options shown in Figure 2. Alternative actuators. Manual

actuator type depends on the valve size.

Figure 2. Alternative actuators

Type

Description

M

Manual actuator

MG

Manual actuator with gearbox

A

Pneumatic actuator

H

Hydraulic actuator

E

Electric actuator

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Summary of Contents for Flowrox SKW DN50-600

Page 1: ...Valmet 4SK70ZHS 6 2022...

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Page 7: ...7 4SK70ZHS 6 2022 H...

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Page 16: ...4SK70ZHS 6 2022 4 2 7 cm3 cm3...

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Page 22: ...4SK70ZHS 6 2022 22 DN D F U K N S V W H H H D F U K N S V W H H H...

Page 23: ...23 4SK70ZHS 6 2022 DN D F U K N S V W H H H D F U K N S V W H H H...

Page 24: ...4SK70ZHS 6 2022 24 SKW 2 0 SKW SKF H 400V 50Hz H 380V 50Hz 440V 50Hz D 525V 50Hz 460V 60Hz N 4 6...

Page 25: ...25 4SK70ZHS 6 2022 2 3 4 5 6 7 8 0 2 4 S2 S3 S4 S5 S6 S7 S8...

Page 26: ...4SK70ZHS 6 2022 26 F F5 H S S5 Z2 Z3 Z5 Z6...

Page 27: ...27 4SK70ZHS 6 2022 Z7...

Page 28: ...Valmet 4SK70ZHS 6 2022...

Page 29: ...ion maintenance and operating instructions Flowrox Slurry Knife Gate valves SKW DN50 600 Wafer SKF DN80 600 Flanged These instructions must be read carefully and understood prior to the installation u...

Page 30: ...NG THEIR FUNCTIONS EVERYONE MUST BECOME FAMILIAR WITH ALL INSTRTUCTIONS IN THIS MANUAL BEFORE ANY INSTALLATION USE MAINTENANCE REPAIR OR ANY OTHER ACTIONS OF THE RESPECTIVE GOODS AND OR SERVICES WHICH...

Page 31: ...alves 6 2 3 Using the valve in explosive conditions 6 2 4 General description 6 2 5 Principle of operation 6 2 6 Mechanical structure 7 2 7 Technical Specifications 10 2 8 Product identification 10 3...

Page 32: ...irective 2006 42 EC Annex IIB partly completed machinery As the product may be used as parts or components in machinery we declare that this product must not be put into service until the relevant mac...

Page 33: ...nderstand the operation and maintenance instructions before using the product Mandatory action symbol Obey these instructions to prevent machine malfunctions Forbidden action symbol Prevent accidents...

Page 34: ...tructure Removable ring sleeves on both sides of the gate provide a bi directional bubble tight seal In the open position the two ring sleeves seal against each other in the centre of the valve provid...

Page 35: ...ves can be delivered with the actuator options shown in Figure 2 Alternative actuators Manual actuator type depends on the valve size Figure 2 Alternative actuators Type Description M Manual actuator...

Page 36: ...9 18 15 6 7 21 22 10 11 12 14 17 1 Figure 3 Exploled view of SKW valve Table 3 SKW valve part list Part Description Part Description 1 Ring sleeve 12 Washer 2 Body SKW 13 Plug 3 Tower 14 Grease nippl...

Page 37: ...2 14 17 NOT AVAILABLE ON ALL OPTIONS SIZES 1 1 Exploled view of SKF valve Table 4 SKF valve part list Part Description Part Description 1 Ring sleeve 12 Washer 2 Body 13 Plug 3 Tower 14 Grease nipple...

Page 38: ...ment to ISO 8573 1 2010 7 4 4 is recommended If any component used on the valve has a stricter requirement pressure air quality the stringent shall prevail Use correct sized pneumatic hoses to ensure...

Page 39: ...n of the cylinders 6 Protect valve ring sleeves from heat light and exposure to ozone 7 Cover the flange openings 8 Do not store any objects on the rubber ring sleeves 9 Follow actuator instructions f...

Page 40: ...afe installation and maintenance See Appendix A for valve dimensions Notice that during opening and closing cycles a small amount of medium is discharged in the valve body cavity therefore do not inst...

Page 41: ...ct automatic actuator to power supply 7 Connect flushing connection if applicable 8 Check that all connections have been fastened and the actuator is installed correctly 9 Run a few open close cycles...

Page 42: ...ot readily available Larger diameter valves can have additional flushing connection to ensure proper flushing Flushing connection are on the sides bottom or on the face of the valve Hole sizes are sho...

Page 43: ...e is operated The flushing water is then left on for the entire cycle and for a minimum of 10 seconds after the cycle To improve flushing the water should be left on until clean flushing water is exha...

Page 44: ...ication Use only silicone based lubricants such as DOW 111 DOW 4 DOW 44 GENERAL ELECTRIC COMPOUND G661 AND RHONE POULENE RHODORSIL III Flowrox gate valves have grease nipples on both sides of the valv...

Page 45: ...nnect automatic actuator to power supply and remove locking pins 13 12 Run a few test strokes before the pipeline is pressurized 6 5 Changing the ring sleeves To change the ring sleeves the valve need...

Page 46: ...linder shaft The position is needed in valve assembly 7 Remove the clevis locking screw 15 and the clevis 14 8 Remove the bolts from between the actuator and tower or adapter plate if equipped Lift th...

Page 47: ...15 It is to prevent excessive gate drop before clevis pin is installed 4 Apply recommended silicon lubricant on the chamfered edge and sides of the gate 2 and slide it through the opening at the top...

Page 48: ...rn 8 Loosen the clevis locking screw 15 9 Rotate the clevis 14 on the stem to adjust it up or down according the dimension measured above 10 Re install the clevis and test if the locking pins 13 fit i...

Page 49: ...en close or valve is not tight Fault in actuator limit switch or control system Check and fix actuator operation Clogged up with solids Clean gate and body cavity Check or install flushing Damaged gat...

Page 50: ...size inch Dimensions in inch Weight in lbs T B B C D E F G J U K N P R S V W M MG A H E MG M A MG E H M MG A E H 3 2 13 2 28 6 50 4 02 22 28 23 07 13 78 4 33 44 37 G1 2 4 2 24 2 40 7 87 4 41 24 72 26...

Page 51: ...E F G J U K N P R S V W M MG A H E MG M A MG E H M MG A E H 3 6 89 7 05 7 87 4 41 24 72 26 89 29 09 3 15 13 78 4 33 20 20 70 68 125 G 1 2 4 6 89 7 05 9 06 5 20 25 51 28 54 29 57 3 94 13 78 4 72 7 87...

Page 52: ...he new type code on valve and actuators see the product Technical bulletin 4 Sign Flange drilling J PN 10 EN 1092 K PN 16 EN 1092 L PN 25 EN 1092 M PN 40 EN 1092 C ANSI 150 ASME B16 5 D ANSI 300 ASME...

Page 53: ...com flowcontrol Subject to change without prior notice Neles Neles Easyflow Jamesbury Stonel Valvcon and Flowrox and certain other trademarks are either registered trademarks or trademarks of Valmet O...

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