PREFACE Thank you very much for purchasing World Chemical’s vertical sealless pump “DRYFREE”. DRYFREE is constructed of corrosion resistant materials like CFR PP (Carbon fiber reinforced polypropylene), and is both time saving and user friendly. An adequate understanding of this manual is required to maximize the pump’s performance and to assure safety and long-term efficiency.
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WARNING (1) Dangerous liquid, and surroundings. When using the pump to transfer dangerous liquids or in surroundings (only explosion prevention specifications). Observe the facility standards determined by law and daily check to prevent leakage. If the pump is operated under abnormal conditions like liquid leakage, it may cause serious accident such as personal injury, explosion or fire.
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CAUTION (1) Prohibit from unapplied use. Do not use the pump for purposes other than those specified on the nameplate. Check the motor (phase, voltage and frequency) prior, then, wire the motor. If wrong use, it may cause personal injuries or the pump and peripheral equipment damaged.
AVP3 50Hz: S.G.1.4 Bore Output Total head Capacity Weight Liquid temperature in use Model Suc. A Dis. A L/min degree YD-5003AVP3-CP-W 54 0~80 YD-5005AVP3-CP-W 54 0~80 YD-6507AVP3-CP-W 54 0~80 YD-6510AVP3-CP-W 54 0~80 60Hz: S.G.1.4 Bore Output Total head Capacity Weight Liquid temperature in use Model Suc.
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Parts list Part name Material Remarks Motor Shaft SUS304 Hex. bolt SUS304 / Titanium M10 x 30 with W Base GFR PP Hex. bolt SUS304 / Titanium M10 x 40 with W Connecting pipe CFR PP Casing CFR PP O-ring for casing EPDM / FPM AS568-260 O-ring for back plate...
CAUTION WHEN INSTALLING, LAYING PIPES Installation height and liquid level in a suction tank The pump does not have a fixed sliding type seal such as mechanical seals or gland packing. Regarding the installation height, refer to the below picture. The standard liquid level of a suction tank is from the upper level to the lower level, but when the pump is set at the upper level, the liquid rises to the top of the pump and it may cause liquid leakage at the pump stop or re-start according to the piping or the condition of the attendant equipment.
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Piping For the connection of suction/discharge flanges, use M16 bolt and tighten them evenly with an appropriate torque. M16 bolt: Recommended torque: 19.6N・m (200kgf・cm) The flange is split type and start to tighten from the bolt on the matching face evenly. Bolt hole for matching face Split flange Bolt hole for matching face...
CAUTION WHEN OPERATING General cautions In the event of cavitation, stop the pump immediately and do not operate the pump with air trapped. If the pump is operated with closed, the temperature of the pump inside rises and it causes the pump failure.
DISASSEMBLY / ASSEMBLY PROCEDURE ※ Dry seal holder (No.17), O-ring (No.19) and bolt (No.20) are not attached with the pump with the motor (5.5kW and more). ※ Cut seal (No.24) is not attached with the pump for high temperature liquid. ※...
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Remove the back plate (14) and O-ring (8). ⑬バックプレート (14) Back plate ⑦O リング (8) O-ring Remove the bolt (4) and pull the connecting pipe (5). ⑤コネクティングパイプ (5) Connecting pipe ④ボルト (4) Bolt Remove the dry seal holder (17). Put a box driver (for (17) Dry seal holder ⑯ドライシールホルダー...
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□ Assembly procedure (Note: Replace O-rings, gaskets and sealings to new ones when assembling.) Place the pump the motor (1) fan-side down. Wipe dirt (1-A) Shaft ①-A シャフト or foreign objects on the pump shaft (1-A) with a cloth. (17) Dry seal ⑯ドライシールホルダー...
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Attach the connecting pipe (5) to the base (3) and fix them with the bolt (4). The torque of the bolt (4) is 9.8N・m (100kgf・cm). ⑤コネクティングパイプ (5) Connecting pipe ④ボルト (4) Bolt Insert the O-ring (8) to the back plate (14) and install it to the connecting pipe (5).
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Match the impeller (13) to the key groove, insert it to the pump shaft (1-A) and fix them with the (10) Impeller nut ⑨インペラナット impeller nut (10). Install the O-ring (11) into the impeller nut (10). As with the disassembly procedure 3, fix the blade with a wrench not to rotate and tighten it clockwise.
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11. Fix the casing (6) with the bolt (9). Tighten the bolt (9) Bolt ⑧ボルト diagonally not to unevenly. The torque is 9.8N・m (100kgf・m). After installation, put your hand into from the suction inlet and check that the impeller (13) rotates smoothly. The pump assembly is completed for the procedure from 1 to 11.
TROUBLESHOOTING If the failure cause is unknown, stop the operation immediately and contact your supplier. Sympton on pump Problem Cause Check & Measures When the discharge When the discharge valve is closed. valve is opened. ● Liquid level is lower than the ○...
MAINTENANCE Daily check Check for no liquid leakage before operation. If any, stop the operation and take measures. Check that pump works smoothly without abnormal noise or vibration. Check for the liquid level in the tank and the suction pressure. ...
Warranty / Repair Warranty period and coverage (1) The warranty period is 12 months from dispatched from our factory. (2) During warranty period, if the pump breaks down or is damaged at the use under the condition instructed in this manual due to manufacturing defect(s), the failure parts are repaired free of charge.
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WORCHEMI TAIWAN CO., LTD. / Taichung, Taiwan No.915, Zhongshan Rd., Shengang Dist., Taichung City 42955, TAIWAN TEL 886-4-2562-8358 FAX 886-4-2562-8351 WORLD CHEMICAL USA, INC. / California, U.S.A. 30 Hughes, Suite 203, Irvine, CA 92618, U.S.A. TEL 1-949-462-0900 FAX 1-949-462-0999 SUZHOU WORLD TECHNOLOGY CO., LTD. / Jiangsu, China...
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