Kitz Y Series Operation Manual

Flanged and threaded strainers

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Document No.:KE-0015-00

Lead-free Cored Bronze Threaded Y Strainer shall be covered by the separate manual.

Y Strainer

Thank you for having chosen KITZ products.

For safe and trouble-free function and performance of the

product, ensure to read and understand all items of this manual

before valve mounting and operation.

Keep this manual in a convenient place for your valve operators'

easy access.

Operation Manual

For

Flanged and Threaded

Strainer

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Summary of Contents for Kitz Y Series

Page 1 Y Strainer U Strainer Lead-free Cored Bronze Threaded Y Strainer shall be covered by the separate manual. Thank you for having chosen KITZ products. For safe and trouble-free function and performance of the product, ensure to read and understand all items of this manual before valve mounting and operation. Keep this manual in a convenient place for your valve operators’ easy access. ...
Page 2 To ensure safe and trouble-free function and performance of the product, please read all items of this manual before handling, transportation, mounting and operation of valves. Keep this manual in a convenient place for your valve operations’ easy access. The signal words “WARNING” and “CAUTION” are defined as follows: Indicates a potentially hazardous situation which, if not avoided, will result in death or serious injury. Indicates a potentially hazardous situation which, if not avoided, could result in minor or moderate injury. NOTES TO USERS This manual covers the normal usage of the product. Technical data and instructions for operation, maintenance and inspection of the product are prepared in consideration of safety. However, they are good only to cover typical applications as a general guideline to users. If technical assistance beyond the scope of this manual is required, contact KITZ Corporation or its distributors. The illustrations given in this manual do not introduce all details. If more detailed data are needed, refer to our relevant valve assembly drawings. ※ Any information provided in this operation manual is subject to revision at any time without notice. This edition cancels all previous issues. ...
Page 3: Table Of Contents
Document No.:KE-0015-00 C O N T E N T S Sheet Ⅰ Construction and Design Features ･･･････････････････････････ 1 Ⅱ Shipping, Handling and Storage ････････････････････････････ 10 Ⅲ Strainer Installation ･････････････････････････････････････････ 13 Ⅳ Operation and Maintenance ････････････････････････････････ 23 Ⅴ Cleanup, Wash and Maintenance ･･･････････････････････････ 27 Ⅵ Periodic Inspection and Maintenance ･･････････････････････ 30 Ⅶ Disassembly and Reassembly････････････････････････････････ 33 ...
Page 4 Document No.:KE-0015-00 Sheet:1/37 CHAPTER Ⅰ Construction and Design Features ...
Page 5: Ⅰ Construction And Design Features
Document No.:KE-0015-00 Sheet:2/37 Ⅰ Construction and Design Features 1. Flanged Y Strainer 1.1 The typical Y strainer design is as illustrated below. 1.2 The Y strainer is designed to remove foreign objects by the screen equipped inside the strainer. Its flow direction and installation orientation are determined by its structure. Flange Gusket Body Screen Plug Cap This illustration represents a typical construction. ...
Page 6 Document No.:KE-0015-00 Sheet:3/37 Ⅰ Construction and Design Features 2. Threaded Y Strainer 2.1 The typical Y strainer design is as illustrated below. 2.2 The Y strainer is designed to remove foreign objects by the screen equipped inside the strainer. Its flow direction and installation orientation are determined by its structure. Body Screen Gasket Cap Plug This illustration represents a typical construction. ...
Page 7 Document No.:KE-0015-00 Sheet:4/37 Ⅰ Construction and Design Features 1. U Strainer 1.1 The typical U strainer design is as illustrated below. 1.2 The U strainer is designed to remove foreign objects by the screen equipped inside the strainer. Its flow direction and installation orientation are determined by its structure. Cap Gasket Flange Body Screen Plug This illustration represents a typical construction. ...
Page 8 Document No.:KE-0015-00 Sheet:5/37 Ⅰ Construction and Design Features 4. Types and Product Code Our standard strainers are summed up as follows. Nominal End Body Type Product Code Pressure connection Material Bronze Y，YK Lead-free YNK bronze Thread Ductile iron 10FDY，10FDYK PVC VY 10FCY，10FCYC，10FCYN，10FCYK Cast iron 10FCYCK，10FCYNK 10 K Ductile iron 10FDYB，10FDYBF，10FDYBFK Flange Stainless UYB，UYBM，10UYA，10UYAM steel Carbon steel 10SCY Bronze CY，CYK Ｙ Solder Lead-free ...
Page 9 5.1 Maximum Permissible Working Pressure and Temperature Product Code Service Conditions Max. Permissible Working Pressure Y Steady Flow at 120℃ and lower （Size 2” and smaller） 1.6 MPa Steady Flow at 120℃ and lower（Size 21/2” and smaller） 1.37 MPa Contact KITZ for saturated steam service. YNK Steady Flow at 85℃ and lower 1.4 MPa Pulsating Flow at 85℃ and lower 1.0 MPa YK Steady Flow at 85℃ and lower 1.4 MPa CY Steady Flow at 120℃ and lower 1.37 MPa CYK ...
Page 10 Document No.:KE-0015-00 Sheet:7/37 Ⅰ Construction and Design Features Product Code Service Conditions Max. Permissible Working Pressure 10FDY Steady Flow at 120℃ and lower 1.37 MPa 10FDYK Pulsating Flow, Steam, Oil*1, Gas or Air at 220℃ and lower 0.98 MPa （For 2” and smaller, Maximum temperature shall be limited to 200℃.） 10FDYBF Steady Flow at 120℃ and lower 1.37 MPa Pulsating Flow, Steam, Oil*1, Gas or Air at 220℃ and lower 1.18 MPa Pulsating Flow, Steam, Oil*1, Gas or Air at 300℃ and lower 0.98 MPa （ For 11/2” and smaller, Maximum temperature shall be limited to 200℃.） 10FDYBFK Steady Flow at 120℃ and lower 1.37MPa ...
Page 11 2.26MPa Pulsating Flow, Steam, Oil*1, Gas or Air at 425℃ and lower 1.96MPa 10FCU Steady Flow at 120℃ and lower 1.37MPa 10FCUK Oil*1or Air at 350℃ and lower 0.98MPa ＊１ Oil refers to lubricant and operating fluid ＊２ Toxic or inflammable gases specified in the High Pressure Gas Safety Law are excluded. 5.2 Service Conditions for each fluid. Be consulted by KITZ for other conditions. Fluid Viscosity Velocity Air ― 30m/s Stea, ― 30m/s Water 1mＰa・s or lower 4m/s or lower 2mＰa・s or lower 2m/s or lower Viscous fluid 3mＰa・s or lower 1.5m/s or lower Differential pressure shall be limited to 0.1MPa in case the screen is clogged. ...
Page 12 (Excluding Class 20K) Y Strainer （25.4÷A(diameter)＝MESH （２０・３０・４０・６０・８０・１００ MESH） Equivalent）４０ MESH ２０・３０・６０・８０・１００ Mesh Ductile Iron (Class 20K), Stainless （Stainless Steel Wired Mesh （Stainless Steel Wired Mesh reinforced Steel, Carbon Steel Y Strainer reinforced by perforated sheet.） by perforated sheet.）６０°Perforated Stainless Steel Sheet Cast Iron U Strainer （25.4÷A(diameter)＝MESH Equivalent） 6.2 KITZ Standard Screen Openings Screen Nominal Dia. MESH A（φ） P（mm） Openings (mm) Equivalent （％） 8〜50 1.4 2.4 18 28.5 65〜125 1.5 2.5 17 ...
Page 13: Shipping, Handling And Storage
Document No.:KE-0015-00 Sheet:10/37 CHAPTER II Shipping, Handling and Storage ...
Page 14 Document No.:KE-0015-00 Sheet:11/37 II Shipping , Handling and Storage 1. Shipping and Handling of Strainers 1.1 Care for Shipping and Handling of Strainers (1) Keep off the strainer lifting area to prevent personal injury caused by unsecured strainer. (1) Take care not to damage coated surface of valves during shipment, which may subsequently cause corrosion to valves. Any damaged surface should be adequately repaired before installation. (2) Carefully handle and store the strainer packed in carton cases, High humidity may damage carton cases and affects the product quality. 1.2 Shipping and Handling of Strainers 1.2.1 Maintain original packing condition during shipment. 1.2.2 Handle strainers carefully so that they may not fall or drop on the ground. Any extraordinary mechanical impact should be avoided. ...
Page 15 Document No.:KE-0015-00 Sheet:12/37 II Shipping , Handling and Storage 2. Storage 2.1 Care for valve storage (1) DO NOT storage strainers in the corrosive environment, which may cause corrosion on threaded portions of strainers. (2) DO NOT fall, drop, give mechanical impact or place any objects on strainers, and DO NOT step on them. Overloading may damage strainers. (3) DO NOT carelessly pile up products to avoid risk of product damage and personal injury caused by unstable piling. 2.2 Storage 2.2.1 Store strainers in a dust-free, low humidity and well ventilated place. Indoor storage is recommended. 2.2.2 Storing valves directly on the ground or the concrete floor is not recommended. Place packed strainers on the pallets or the racks for storage. 2.2.3 In order to protect strainers from the intrusion of foreign objects, maintain original packing condition until the strainers are installed. 2.2.4 ...
Page 16: Ⅲ Strainer Installation
Document No.:KE-0015-00 Sheet:13/37 CHAPTER III Strainer Installation ...
Page 17 Document No.:KE-0015-00 Sheet:14/37 III Strainer Installation 1. General Precaution (1) Keep a secure footing installation and operation of valve. (2) Sufficient lighting should be available at all times for valve operation. (3) Piping should be properly supported, as needed. (4) PVC Strainers are excellent for use in any weather. However, an appropriate measure should be taken to avoid direct sunlight. 1.1 Allow a sufficient room for safe and easy operation and subsequent maintenance such as the removal of the cap or screen of strainers. 1.2 Take appropriate measures for smooth operation, inspection and maintenance of strainers if they are forced to be installed in small spaces. 1.3 Try not to install valves in the places where valve functions may be disturbed by external forces such as vibrations. ...
Page 18 Document No.:KE-0015-00 Sheet:15/37 III Strainer Installation 2 For Safe Installation (1) Keep off the strainer lifting area to prevent personal injury caused by unsecured strainer. (1) Take care not to damage threads or flange surface of strainers and flanges. (2) DO NOT disassemble strainers during installation. (3) Strainers should be mounted in accordance with arrows indicated on the valve body. It is not recommended to install strainers in the vertical pipeline with the flow oriented upward. The screen will not properly work in this position. (4) Use an appropriate seal tape in threaded areas with the temperature and type of service taken into consideration. (5) DO NOT apply a pipe wrench to strainers. Use an appropriate tool such as a spanner. (6) When installing strainers, apply a spanner to the strainer end which was screwed into the pipe end. ○...
Page 19 Document No.:KE-0015-00 Sheet:16/37 III Strainer Installation 3. Check the following items before the installation of strainers. 3.1 The service conditions should be within the range of the relevant strainer specification. 3.2 Strainer threads should correspond with pipe threads. 3.3 No damage should be found on both strainer and pipe threads. 3.4 Make sure that pipe threads comply with the relevant standards by using thread gauges. 3.5 Before installation of strainers, the connecting pipes should be cleaned to remove cutting oil, cuttings or other foreign objects. 3.6 Do not give extraordinary shock to strainers by throwing, dropping, dragging or toppling them down. 3.7 Remove end covers from strainers just before installation. 3.8 Check all threaded areas after installation and retighten them, if needed. ...
Page 20 Document No.:KE-0015-00 Sheet:17/37 III Strainer Installation 4. Installation Procedures for threaded strainers 4.1 Ensure that pipe ends are threaded. 4.2 Clean the end threads of strainers and the inside of connecting pipes with detergent and cleaning cloth to remove all foreign objects such as cuttings and oil. 4.3 Apply sealing paste or tape in the threaded areas of pipes. 4.4 Use appropriate tools to thread strainers into pipes. 4.5 DO NOT apply excessive torque, when threading strainers into pipes. Torques should not exceed the value shown below. Strainer Size 1/8 1/4 3/8 1/2 3/4 1 N-m 20〜29 20〜29 20〜29 20〜29 39〜49 49〜59 3 or Strainer Size 1-1/4 1-1/2 2 2-1/2 larger N-m 59〜69 69〜78 78〜88 108〜118 127〜137 4.6 Gradually increase the pressure and temperature of pipeline,, when conducting the pipeline test. Retighten all threaded areas of valves, if needed. ...
Page 21 Document No.:KE-0015-00 Sheet:18/37 III Strainer Installation 5. Check the following items before installation of strainers. 5.1 The service conditions should be within the range of the relevant strainer specification. 5.2 Strainer flanges should correspond with pipe flanges. 5.3 Gasket contact surfaces of pipe and strainer flanges must be free from scratches or any other damages. 5.4 The appropriate space should be kept between pipe flanges for the strainer face-to-face dimensions including the gasket thickness. 5.5 Pipes and strainers should be accurately aligned. 5.6 Pipe flanges should face parallel to each other. The bolt holes of flanges should be symmetrically lined up against the center line of flanges. 5.7 Before installation of strainers, the connecting pipes should be cleaned to remove any foreign objects such as sand, dust and welding spatters. 5.8 Do not give extraordinary shock to strainers by throwing, dropping, dragging or toppling them down. 5.9 Remove flange covers from strainers just before installation. 5.10 Check all threaded areas after installation and retighten them, if needed. ...
Page 22 Document No.:KE-0015-00 Sheet:19/37 III Strainer Installation 6. Installation Procedure for flanged strainers 6.1 Pipes and strainers should be accurately aligned. 6.2 The appropriate space should be kept between pipe flanges for the strainer face to dimensions including the gasket thickness. 6.3 Place the strainer between the pipe flanges. Insert bolts through the bottom bolt holes and tighten them lightly. This will support the strainer during the remaining steps of installation. 6.4 Insert a gasket between the strainer and pipe flanges. It is recommended to apply lubricant (gasket paste) to gasket faces. Gasket 6.5 Make sure the position of the bolts used in the lower bolt holes of the flange. The gasket alignment shall be determined by these bolts. 6.6 Thread bolts through the other bolt holes and lightly tighten them. 6.7 Tighten bolts evenly, gradually and alternately in a star pattern as shown here. ...
Page 23 Document No.:KE-0015-00 Sheet:20/37 III Strainer Installation 6.8 Gradually raise the line temperature and pressure for pilot operation. Retighten all threaded parts, if needed. 6.9 In case flanges are welded to pipes, DO NOT install strainers to the pipes until the welded flanges cool down. 6.10 In case painted strainers are suspended by a sling belt, protect the painted surface of the strainer body with cloth. 6.11 For painted products, use a washer under the pipe nut to protect the painted surface of the end flange. Prepare appropriate bolts, nuts, washers and gaskets beforehand for subsequent installation. ...
Page 24 Document No.:KE-0015-00 Sheet:21/37 III Strainer Installation 7. Installation of Strainers 7.1 Horizontal Piping Strainers must be installed in accordance with an arrow indicated on the body in the horizontal pipeline. Y Strainers should be placed with the cap facing down, while U Strainers placed with the cap facing up. If the strainers are installed otherwise, foreign objects caught in the screen will return into the pipeline. Flow direction → Flow direction → Bottom Bottom 7.2 Vertical Piping. Strainers should be installed with the cap facing down in the vertical pipeline with downward flow direction. For the upward flow line, install strainers with the cap facing up. However, it is not not recommended to use strainers in the recommended vertical pipeline with upward flow direction due to its inherent design feature. U Strainers will not function in the vertical pipeline. ...
Page 25 Document No.:KE-0015-00 Sheet:22/37 III Strainer Installation 7.3 Space for the removal of the screen P eriodically the screen needs to be removed for clean-up. Therefore allow sufficient room (indicated as H1 in the illustration below) for the removal of the cap and screen when installing strainers to pipeline. Refer to the relevant product drawing for dimensional information. 7.4 Installation of shut-off valves and differential pressure gauge Shut-off valves must be installed both on the upstream and down steam side of strainers. The use of differential pressure gauges is recommended to detect the loading of screens. ...
Page 26 Document No.:KE-0015-00 Sheet:23/37 CHAPTER Ⅳ Operation and Maintenance ...
Page 27: Ⅳ Operation And Maintenance
Document No.:KE-0015-00 Sheet:24/37 Ⅳ Operation and Maintenance 1. For Safe Use (1) Apply anti-corrosion painting to strainers, in case they are used in a corrosive environment. Failure to use an appropriate painting may lead to the corrosion of strainers, resulting in operational malfunction. (2) Care should be taken in handling painted strainers so that the painting will not come off. The removal of painting may cause the corrosion of the strainers. (3) Take appropriate protective measures for excessive cavity pressure, freezing or water-hammer, if they are expected to take place. Failure to accommodate these measures may cause damage to the products and lead to operational malfunction. 1.1 The screen of newly mounted strainers should be disassembled and cleaned up before the operation of pipeline. It may have collected foreign objects during the installation of pipeline. 1.2 Retighten the bolts and nuts of the end flanges and cap after the pressure and temperature of mounted strainers are increased. 1.3 Retighten the bolts and nuts, in case leakage is found in the end flange or cap area. Retightening should be carried out after decreasing line pressure in accordance with the procedure given in Chapter III, Section 6 “Installation Procedure for flanged strainers”. ...
Page 28 Document No.:KE-0015-00 Sheet:25/37 Ⅳ Operation and Maintenance 2. Daily Inspection For safe and trouble-free valve operation, your daily inspection of strainers is important. Here are the inspection items. Inspection Areas to be Inspection Remedial Measure items inspected Method Retighten the cap. Visual Check Cap Area Clean up or replace the gasket or Soap Water O rings. Visual Check Cap Replace the cap. Soap Water External Leakage Visual Check Retighten the flange bolts. End Flange Area Soap Water Replace the gasket. Visual Check Body Surface Replace the strainer. Soap Water Auditory Strainer ...
Page 29 Document No.:KE-0015-00 Sheet:26/37 Ⅳ Operation and Maintenance 3. For Handling failed strainers (1) Wear protective items such as goggles, gloves and working footwear. (2) Operators should take protective measures to prevent direct exposure to the fluid, when the fluid spouts from flanged areas. (3) Reduce the line pressure to the atmospheric level, when retightening is carried out. 3.1 Leakage from the Gland Area If leakage is found in the cap area, retighten the cap, or clean up or replace the gasket. 4. Trouble shooting Trouble Possible cause Solution Loosened Cap Retightening the cap. Damaged O rings Replacement of the O rings Leakage from the Cap Damaged Gasket Replacement of the gasket Worn-out Cap Replacement of the cap ...
Page 30 Document No.:KE-0015-00 Sheet:27/37 CHAPTER Ⅴ Cleanup, Wash and Maintenance ...
Page 31: Ⅴ Cleanup, Wash And Maintenance
Document No.:KE-0015-00 Sheet:28/37 Ⅴ Cleanup, Wash and Maintenance 1. For Safe Operation (1) When disassembling strainers from the pipeline, discharge the fluid from the pipes and reduce the line pressure to the atmospheric level. Trapped pressure or fluid is very dangerous and may cause accidents resulting in personal injuries. Extra care should be taken for the pipeline handling toxic or flammable fluid. Take safety measures for such operation, taking fluid characteristic into consideration. (2) As for strainers fluids tend to be trapped in the screen, even after discharging the fluids remaining in the pipeline. Discharge the fluids in the screen by gradually loosening the plug or cap. Be careful for handling hazardous fluids. Make sure types of fluids before the operation and take appropriate measures as specified in the previous clause. (1) DO NOT use chlorine, chlorine solution or chlorine based detergent, when washing the screen. It may harm the stainless screen. (2) Wash the screen by flushing thoroughly enough to remove all the foreign objects before operation. Y strainers in particular may be damaged by hard particles trapped in the screen, stirred by the flow and repeatedly crashed with the cap, which may lead the attrition of the cap, resulting in possible leakage through between the cap and body. (3) The screen should frequently be cleaned and washed so that the screen will not be clogged. Clogged screen will cause greater pressure loss, which will result in not only the loss of sufficient flow rate but also damage to the screen. (4) To take off the screen, close shut-off valves located in the upstream and downstream of the strainer and ensure that the pressure inside the strainer has been relieved and then remove the cap to detach the screen. Clean up the screen by compressed air and wash it with detergent. Care should be taken not to damage the screen during this operation. ...
Page 32 Document No.:KE-0015-00 Sheet:29/37 Ⅴ Cleanup, Wash and Maintenance 1.1 Strainers need to be periodically cleaned and washed. If strainers have the plug on the cap, it is recommended for a valve to be installed to the plug with a hose being attached to the valve shown in the diagram below, so that efficiency in the operation to drain the fluids remaining in the screen shall be improved. This arrangement will also function as the prevention of accidents. 1.2 Timing to wash the screen depends on how the screen is disturbed by foreign objects. This may differ from location to location. Conduct tests on strainers in each location to examine the condition of the screen and determine the most effective replacement schedule. 1.3 Use compressed air or standard detergent to wash the screen. 2. Reassembly 2.1 Ensure that the screen that was washed has no damage. 2.2 In case the screen or gasket is replaced, select ones suitable for the fluid conditions. 2.3 When requesting screens for replacement, provide Product Name (Product Code) and size of strainers. For optional screens, also provide Mesh No. 2.4 For the screwed cap design, attach the washed screen to the groove of the cap, place the cap on the body and tighten it. If the gasket is damaged, replace it for new one. 2.5 For the bolted cap design, insert the washed screen, place the cap on the body and fasten it with the cap bolts and nuts. If the gasket is damaged, replace it for new one. 2.6 All strainers, after reassembly, are subject to pressure test at given pressures to ensure that no leakage is detected. ...
Page 33 Document No.:KE-0015-00 Sheet:30/37 CHAPTER Ⅵ Periodic Inspection and Maintenance ...
Page 34: Ⅵ Periodic Inspection And Maintenance
Document No.:KE-0015-00 Sheet:31/37 Ⅵ Periodic Inspection and Maintenance 1. Periodic Inspection 1.1 Carry out a periodic inspection on the strainers in use at least once a year. 1.2 Examine strainers to ensure trouble-free safe operation. 1.3 See Chapter IV, Section 3 “Daily Inspection”, for inspection items and inspection methods. 1.4 A periodic inspection is recommended on strainers which are not subject to a daily inspection. (A periodic inspection should be carried out on all strainers.) 2. Maintenance and Inspection In case pipelines or facilities where strainers are installed are shut down for a pipeline inspection, carry out an inspection on strainers, as needed, including pressure test as well as visual inspection to check if the screen is clogged or whether foreign particles go through to the downstream. If any failure is found, disassemble the strainers for further inspection. The strainers must pass required inspections before being sent back to the pipelines or facilities for reinstallation. 2.1 Care for disassembly and reassembly after installation (1) Discharge the fluid from the pipes and reduce the line pressure to the atmospheric level, when removing the cap. (2) ...
Page 35 Document No.:KE-0015-00 Sheet:32/37 Ⅵ Periodic Inspection and Maintenance 2.2 Disassembly and Reassembly Refer to Chapter VII for disassembly and reassembly procedure. 2.3 Test and Inspection Follow instructions give below for test and inspection. 2.3.1 Shell Pressure Test (1) For Safe Shell Pressure Test (1) Wear protective items such as goggles, gloves and working footwear. (2) Care should be taken, when conducting shell pressure test. (2) Shell Pressure Test All strainers are subjected to a hydrostatic or pneumatic shell test at the given test pressures after reassembly. Refer to JIS B 2003 for test methods and procedures ...
Page 36 Document No.:KE-0015-00 Sheet:33/37 CHAPTER Ⅶ Disassembly and Reassembly ...
Page 37: Ⅶ Disassembly And Reassembly
Document No.:KE-0015-00 Sheet:34/37 Ⅶ Disassembly and Reassembly 1. Disassembly Procedure 1.1 For Safe Disassembly (1) Operator should take an appropriate caution for not being exposed to the fluid or catching fire. (1) Wear the protective items such as goggle, gloves and working boots. (2) Take care not to catch fingers at work. 1.2 Before Disassembly (1) Disassemble strainers in a dust-free area. (2) Take care not to damage the body, cap and screen. 1.3 Disassembly Shut off valves on the upstream and downstream of the strainer and make sure that all the pressure is relieved from the strainer. And then Take off the cap and remove the screen. Care should be taken not to damage the screen during the operation. ...
Page 38 Document No.:KE-0015-00 Sheet:35/37 Ⅶ Disassembly and Reassembly 2. Disassembly 2.1 For Safe Reassembly (1) Wear the protective items such as goggle, gloves and working boots. (2) No fire should be allowed in working area. (3) Take care not to catch fingers in flanges during assembly. 2.2 Before Reassembly (1) Check all the necessary parts before reassembly and replace them, if they are found dissatisfactory. (2) Make sure to clean reused parts to remove completely oil, dust and other foreign objects. (3) Assemble strainers in a dust-free place. (4) Take care not to damage the body, cap, screen and gasket. (5) The cap should be securely tightened. ...
Page 39 Document No.:KE-0015-00 Sheet:36/37 Ⅶ Disassembly and Reassembly 2 Assembly Illustration No. Parts Name 1 Body 2 Cap 19 Gasket 27 Screen 33 Cover nut 35 Cover bolt This illustration represents a typical construction of the Flanged Y Strainer. Refer to the approval drawing before disassembly and assembly. 3 Assembly Illustration No. Parts Name 1 Body ...
Page 40 Document No.:KE-0015-00 Sheet:37/37 Ⅶ Disassembly and Reassembly 4 Assembly Illustration No. Parts Name 1 Body 2 Cap 19 Gasket 27 Screen 33 Cover nut 35 Cover bolt 75 Eye bolt 85 Plug 組立の際は納入品図を参照の上、実施してください。 This illustration represents a typical construction of the U Strainer. Refer to the approval drawing before disassembly and assembly. ...

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U series