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Summary of Contents for MIYAWAKI SC
- Page 1 SC, SF THERMODYNAMIC STEAM TRAP USER'S MANUAL...
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Page 2: Table Of Contents
SAFETY GUIDE The models SC and SF are cast iron disc-type steam traps for medium up to large condensate loads. In order to get maximum benefit from this product, be sure to read this manual before installing it. The following warnings and cautions are shown at appropriate places in this manual. -
Page 3: Specifications And Markings
Model symbol: Showing the product model name Some pictures and illustrations in this manual are examples of the models SC and SF. For more details regarding dimensions and other specifications, please refer to the catalog. The models SC and SF fully comply with the requirements of the European Pressure Equipment Directive 2014/68/EU. -
Page 4: Construction Details
CONSTRUCTION DETAILS Model SC-310 and SC-311 Model SF-340 and SF-341 1. Body 10. Seat Gasket 2. Cover 11. Cap Gasket 3. Cap 12. Cover Bolt 4. Disc 13. Washer 5. Seat 14. Plug Gasket 6. Pin 15. Pipe 7. Screen 37. -
Page 5: Installation
2) Check the flow direction indicated on the side of the body. 3) The models SC and SF can be used for both horizontal and vertical lines. However, when installing these models in a horizontal line, be sure to maintain a slight slope to the line, so that any condensate will flow smoothly. -
Page 6: Operation
4 OPERATION CAUTION Before starting operation, open the bypass valve or blow valve completely and blow off the scale in the piping. 4.1 Operation procedure 1) After blowing off the scale from the piping, close the bypass valve or blow valve. 2) Open the stop valve on the trap outlet side. -
Page 7: Maintenance
CAUTION When replacing parts, make sure the replacement parts are supplied by MIYAWAKI. The performance of steam traps deteriorates gradually over time due to wear, corrosion or dirt accumulating around the valve and the valve seat. Please conduct periodic diagnosis of traps in order to keep steam control systems and equipment working well. - Page 8 5.2 Repairs When a trap fails, it is necessary to clean the internal parts and to replace damaged parts. Take the failed trap apart following the steps below. 5.2.1 Disassembling the trap 1) Turn the plug (8) counterclockwise to remove it. Remove also the plug gasket (14). 2) Remove the screen (7).
- Page 9 12. Cover Bolt 38. Rivet 37. Name Plate 13. Washer 2. Cover 3. Cap 11. Cap Gasket 4. Disc Inner unit 5. Seat 10. Seat Gasket 15. Pipe 6. Pin 1. Body 7. Screen 14. Plug Gasket 8. Plug...
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Page 10: Troubleshooting
TROUBLESHOOTING Problem Possible cause Solution Dirt is stuck around the disc Clean the disc (4) and the Steam leaks or blows (4) or the seat (5). seat (5). through. Damage, wear or corrosion of Replace the inner unit. the disc (4) Damage, wear or corrosion of Replace the inner unit. -
Page 11: Warranty
Problems caused by devices or equipment other than MIYAWAKI’s, or a disallowed use environment When a repair or modification has been performed by anyone other than MIYAWAKI or people who are authorized to make such repairs Intrusion of salt or other substances that promote significant rust or corrosion or problems from fluids that contain the same substances Consumable parts such as Packing, Gasket, O-ring, Diaphragm, etc. -
Page 12: Serial Number (S. No.) Designation
1 7 1 1 → Jan.1, 2017 2 9 X M → Oct. 21, 2029 ● For 9-digit display S.No. □□□□□□□□□ MIYAWAKI identification number Represents the month. Represents the year. (last two digits of the year according to the Western calendar) Example of serial number designation 1 7 1 1 2 C 0 2 0 →... -
Page 13: Guidance For Reading Special Product Name
9 GUIDANCE FOR READING SPECIAL PRODUCT NAME 〇〇〇-○○-□ Special symbol: The symbol applies only to special products. (Please refer to table 1 for details) Model symbol: Product model number Table 1 Symbol description Suffix Special contents Trap for high-pressure gas installed property (only for Gas Trap) Blow valve attached Change of gasket Special face to face dimension... - Page 14 Some special specifications of the product you have, may found to be different from the ones in the user's manual. If you have any question, please contact MIYAWAKI, our local authorized agent, or the company where you purchased the product.
- Page 15 MIYAWAKI GmbH Birnbaumsmühle 65, 15234 Frankfurt (Oder), Germany Tel: +49-335-4007-0097 www.miyawaki.net e-mail: info@miyawaki.de China Importer and Authorized representative: MIYAWAKI WEST Co., Ltd. Room 1705, No.1, Building No.311, Yanxin Road, Huishan Economic Development Zone, Wuxi, Jiangsu, China Tel: +86-510-8359-5125 www.miyawaki-inc.com.cn e-mail: mywkwest@miyawaki-inc.com.cn...
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