Stafsjö WB14E Maintenance Instruction Download Page 1

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Stafsjö Valves AB

SE-618 95 Stavsjö, Sweden
+46 11 39 31 00 I [email protected] I www.stafsjo.com

Document

Maintenance instruction

Document id

mi-WB14E -EN

Issue

Date

2021-04-14

WB14E maintenance and field conversion instruction

•

Disassembling of valve parts

•

Changing box packing, guiding pads, seat and gate

•

Installation of hand wheel kit

•

Changing from hand wheel to SC double-acting pneumatic cylinder when the
valve is installed between flanges

Summary of Contents for WB14E

Page 1: ...tion Document id mi WB14E EN Issue 1 Date 2021 04 14 WB14E maintenance and field conversion instruction Disassembling of valve parts Changing box packing guiding pads seat and gate Installation of han...

Page 2: ...Advice Has to be respected Information Information useful to follow If these notes and warnings are not respected by the user dangerous situations may occur and may invalidate the warranty of the man...

Page 3: ...Washer 2 Yoke 8c Nut 2a Bearing 9 Box packing 2b Slide washer 9a Box scraper 2c Bearing 9b Box top scraper 3 Stem 10 Valve body 4 Stem nut 10g Valve body boltings 4a Washer 13 Seat 4b Bolt 13b Pin sho...

Page 4: ...Up to DN 300 12 a Remove stuffing box braids and its scrapers 9 9a 9b b Remove the gate and internal guiding pads Go to point 8 7 DN 350 14 up to DN 600 24 a Unscrew valve body boltings and remove on...

Page 5: ...ut equally at both sides on top of the valve body 4 Apply grease Multipurpose Grease OKS 1110 or similar grease approved for EPDM Nitril and FEPM on the gate edges to decrease friction against the sea...

Page 6: ...he one with the seat installed a Make sure that the seat profile pins are inserted correctly in each valve body halves b Insert three body bolts two in the top and one in the bottom tighten them gentl...

Page 7: ...gate with screws 4a and washers 4b Note Do not tighten fully to finally adjust it when the yoke 2 has been assembled 2 Lubricate the thread on the stem 3 with grease Q8 Ruysdael or equal Assemble and...

Page 8: ...vides sufficient space lightning visibility for installation After assembling the actuator should be freely accessible If a fault or problem is detected the knife gate valve must be disconnected and m...

Page 9: ...ded holes according to ISO 228 1 Cylinder size Connection Compressed air supply SC100 SC160 G Min 8 mm SC200 SC320 G Min 15 mm This inner dimension must be larger in case of long air feed lines Suitab...

Page 10: ...nce to have them centered Demount the split pins 21 and clevis pin 20 then gently open the cylinder far enough to adjust locking nut and gate clevis Disconnect the air supply Adjust the gate clevis 17...