Swing Check Valves - ASAHI/America,Inc.
Contents
1. AV Gasket bolts nuts and washers and tighten them to specified torques lt Axial Misalignment and Parallelism of Flanged face gt Unit mm inch Nom Size Axial Misalignment Parallelism a b 15 32 1 2 1 1 4 1 0 0 04 0 5 0 02 40 80 1 1 2 3 1 0 0 04 0 8 0 03 100 150 4 6 1 0 0 04 1 0 0 04 fea y nnp R a a Axial Misalignment Parallel 200 8 1 5 0 05 1 0 0 04 gnment a Parallelism 1 Cleaning Confirm the flange face area is clean and free of dirt or foreign materials 2 Set the AV gasket between the flanges Insert washers and bolts from the pipe side insert washers and nuts from the valve side then temporarily tighten them by hand Tighten the bolts and nuts gradually with a torque wrench to the Figure 2 specified torque level in a diagonal manner A O fe O S lt Recommended Torque Value gt Unit Nem kgf cm lb inch Nom Size 15 20 1 2 3 4 25 40 1 1 1 2 50 65 2 2 1 2 80 100 3 4 125 150 5 6 200 8 PTFE PVDF coated 17 5 179 155 20 0 204 177 22 5 230 200 30 0 306 266 40 0 408 354 55 0 561 487 Rubber 8 0 82 71 20 0 204 177 22 5 230 200 30 0 306 266 40 0 408 354 55 0 561 487 SWING CHECK VALVE flaca ASAHI AA User s Guide Serial No UA 004E Handling of Residual and Waste Materials 000000000000000000000500000000000000000000000000000000000000000000000000000002. 1 ere PTFE 0 06 0 6 0 01 0 1 0 065 0 65 0 01 0 1 Ih 150 6 EPDM 0 04 0 4 0 015 0 15 0 045 0 45 0 01 0 1 Lo PTFE 0 065 0 65 0 015 0 15 0 07 0 7 0 01 0 1 i J EPDM 0 04 0 4 0 02 0 2 0 045 0 45 0 015 0 15 Ko 200 8 STEE 0 07 0 7 0 02 0 2 0 07 0 7 0 015 0 15 Pesignaton SWING CHECK VALVE senna st ASAHI TaN User s Guide Serial No UA 004E General Operating Instructions A The valve is applicable to both types vertical and horizontal piping In the case of vertical piping use the valve in Caution i 2 applications where the fluid travels upwards Install the piping while matching the arrow on the valve body with the flow direction of the fluid Figure 1 Pigen Horizontal Piping Vertical Piping Designation RAN B t Designation T i Direction of Flow Direction of Flow AS Installation Procedure As for details refer to the User s manual separately Flanged End A Take care not to over tighten the Flange The valve can be damaged a 1 The parallelism and axial misalignment of the flange surface should be under the values shown in the following table to prevent damage to the valve A failure to observe them can cause destruction due to stress application to the pipe Use flat faced flanges for connection to AV Valves Ensure that the mating flanges are of the same standards Be sure to use sealing gaskets
3. 0000000000000000000000000000000000000000000000000O A Q Make sure to consult a waste treatment dealer for recommendations on the proper disposal of plastic valves varning Poisonous gas is generated when the valve is burned improperly Product Warranty Be sure to read the following description of our product warranty Always observe the specifications of and the precautions and instructions on using our product We always strive to improve product quality and reliability but cannot guarantee perfection Therefore should you intend to use this product with any equipment or machinery that may pose the risk of serious or even fatal injury or property damage ensure an appropriate safety design or take other measures with sufficient consideration given to possible problems We shall assume no responsibility for any inconvenience stemming from any action on your part without our written consent in the form of specifications or other documented approval The related technical documents operation manuals and other documentation prescribe precautions on selecting constructing installing operating maintaining and servicing our products For details consult with our nearest distributor or agent Our product warranty extends for one and a half years after the product is shipped from our factory or one year after the product is installed whichever comes first Any product abnormality that occurs during the warranty period or which is reporte
4. 65 9939 Europe Representative Office Kaiser Friedrich Promenade 61 D 61348 Bad Homburg v d H Germany Tel 49 6172 9175 0 Fax 49 6172 9175 25 Shanghai Branch Office RM 1305 Orient International Plaza Part C No 85 Lou Shan Guan Road Shanghai China 200336 Tel 21 6278 7862 Fax 21 6278 7892 ASAHI AMERICA Inc 35 Green Street P O Box 653 Malden Massachusetts 02148 U S A Tel 1 781 321 5409 Fax 1 781 321 4421 Information in this manual is subject to change without notice 201107 7 A rrr Err
5. SWING CHECK VALVE oe ASAHI INV User s Guide Serial No UA 004E Read and use the information contained within these documents This User s Guide contains information important to the proper installation maintenance and safe use of the SWING CHECK VALVE store in an easily accessable location Prohibited When operating the valve this symbol indicates an action that should not be taken Mandatory action When operating the valve this symbol indicates mandatory actions that must be adhered to General Information for Transportation Unpacking and Storage OQ When suspending and supporting a valve take care and do not stand under a suspended valve Warning A S This valve is not designed to handle impacts of any kind Avoid throwing or dropping the valve oe Avoid scratching the valve with any sharp object Do not over stack cardboard shipping boxes Excessively stacked packages may collapse Avoid contact with any coal tar creosote insecticides vermicides or paint These chemicals may cause damage to the valve Q Store products in their corrugated cardboard boxes Avoid exposing products to direct sunlight and store them indoors at room temperature Also avoid storing products in areas with excessive temperatures Corrugated cardboard packages become weaker as they become wet with water or other liquid Take care in storage and handling After unpacking the products check that they are defect free and
6. ceeding the minimum operating differential pressure Table 1 Table 1 Test Result of Minimum Pressure Water Pressure at R T Unit MPatkgf cm lt Test Method gt Tet Items Vertical Piping Horizontal Piping Measurement minimum pressure Bes ees Material Shutthe Disc Pass the Water Shut the Disc Pass the Water Shut the Disc and Pass the Water 15 Vp e EPDM 0 02 0 2 0 01 0 1 0 02 0 2 0 01 0 1 Se hee 2 E PTFE 0 03 0 3 0 01 0 1 0 03 0 3 0 01 0 1 Vertical Piping 20 C EPDM 0 02 0 2 0 01 0 1 0 02 0 2 oo 0 01 0 1 S A t PTFE 0 035 0 35 0 01 0 1 0 035 0 35 0 01 0 1 i 25 EPDM 0 03 0 3 0 01 10 1 0 035 40 35 001 0 vee PTFE 0 05 0 5 0 01 0 1 0 06 0 6 0 01 0 1 40 1 pt om EPDM 0 03 0 3 0 07 0 1 0 035 0 35 0 01 0 1 PTFE 0 05 0 5 0 01 0 1 0 06 0 6 0 01 0 1 aad 50 2 e EPDM 0 03 0 3 0 01 10 1 0 035 0 35 0 01 0 1 aa PTFE 0 05 0 5 0 01 0 1 0 06 0 6 0 01 0 1 65 2 Vp EPDM 0 03 0 3 0 0 01 0 1 0 035 0 35 0 01 0 1 PTFE 0 05 0 5 0 01 0 1 0 06 0 6 0 01 0 1 ee 80 3 EPDM 9 035 0 35 0 01 0 1 0 04 0 4 nn 0 01 0 1 PTFE 0 055 0 55 0 01 0 1 0 06 0 6 0 01 0 1 F EPDM 0 035 0 35 0 01 0 1 0 04 0 4 0 01 0 1 ak 100 4 ye ee 0 06 06 0 01 0 1 aaa vests 0 068 0 4 PENS 0 01 0 4 pices Horizontal Piping 125 5 e EPDM 9 035 0 35 0 01 0 1 0 04 0 4 on 0 01 0
7. d to us will be investigated immediately to identify its cause Should our product be deemed defective we shall assume the responsibility to repair or replace it free of charge Any repair or replacement needed after the warranty period ends shall be charged to the customer The warranty does not cover the following cases 1 Using our product under any condition not covered by our defined scope of warranty 2 Failure to observe our defined precautions or instructions regarding the construction installation handling mainte nance or servicing of our product 3 Any inconvenience caused by any product other than ours 4 Remodeling or otherwise modifying our product by anyone other than us 5 Using any part of our product for anything other than the intended use of the product 6 Any abnormality that occurs due to a natural disaster accident or other incident not stemming from something inside our product As for details refer to the User s manual SWING CHECK VALVE No H V013E ASAHI ORGANIC CHEMICALS INDUSTRY CO LTD http www asahi yukizai co jp en Valves and Piping System Administration Overseas Department World Trade Center Bldg 20F 4 1 Hamamatsu cho 2 Chome Minatoku Tokyo Japan Tel 81 3 3578 6015 Fax 81 3 3578 6025 Bangkok Representative Office 50 GMM Grammy Place Tower 15th Floor Sukhumvit 21 Road Asoke North Klongtoey Wattana Bangkok 10110 Thailand Tel 66 2 665 9938 Fax 66 2 6
8. meet the specifications Inspection Items A D C Check for flaw crack or deformation on the valve C Check for leaks to the outside or inside Cauti ae O Check that all fasteners are tight OJ Check the tightness of bolt nut General Operating Instructions OQ Do not change or replace valve parts under line pressure Caution Q Using a positive pressure gas with our plastic piping may pose a dangerous condition due to the repellent force particular to compressible fluids even when the gas is under similar pressures used for liquids Therefore be sure to take the necessary safety precautions such as covering the piping with protective material For inquiries please contact us For conducting a leak test on newly installed piping be sure to check for leaks under water pressure If absolutely necessary to use a gas in testing please consult your nearest service station beforehand Be sure to conduct a safety check on all hand and power tools to be used before beginning work Wear protective gloves and safety goggles as fluid remain in the valve even if the pipeline is empty You may be injured 1 For the Owner and the Installing Contractor SWING CHECK VALVE ASAHI AW User s Guide Serial No UA 004E General Operating Instructions Do not step on or apply excessive weight on valve It can be damaged When installing a pipe support by means of a U band or something similar take care not to over tighten Excessi
9. ve force may damage the pipe Do not use the valve in conditions where the fluid may have crystallized The valve will not operate properly Do not use the valve to fluid containing slurry The valve will not operate properly Caution Keep the valve away from excessive heat or fire It can be damaged or destroyed Always operate the valve within the pressure vs temperature range The valve can be damaged or deformed by operating beyond the allowable range Allow sufficient space for maintenance and inspection Select a valve material that is compatible with the media For chemical resistance information refer to CHEMICAL RESISTANCE ON ASAHI AV VALVE Some chemicals may damage incompatible valve materials Keep the valve out of direct sunlight water and dust Use cover to shield the valve The valve will not operate properly Perform periodic maintenance Leakage may develop due to temperature changes or periods of prolonged storage rest or operation Bonnet bolt torque should be checked before installation as they may become loose after long term storage A periodic check of the valve condition as well as bonnet amp flange bolt torque should be made part of preventative maintenance program properly re tightening the bolts as necessary It is especially important to re tighten all bolts during the first shutdown Before a water test be sure that the Union Nut is tightly fastened Use the valve at a pressure ex
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