Table of Contents
Advertisement
Quick Links
Advertisement
Table of Contents
Related Manuals for MIYAWAKI G11N
Summary of Contents for MIYAWAKI G11N
- Page 1 BALL FLOAT STEAM TRAP G11N/G12N USER'S MANUAL...
-
Page 2: Table Of Contents
SAFETY GUIDE The models G11N and G12N are cast iron mechanical ball float steam traps with thermostatic air vent. 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: Showing the product model name ⚫ Some pictures and illustrations in this manual are examples of G11N/G12N models. For more details regarding dimensions and other specifications, please refer to the catalog. The products fully comply with the requirements of the European Pressure Equipment Directive 2014/68/EU. -
Page 4: Construction Details
CONSTRUCTION DETAILS 1. Body 11. Set Bolt 2. Cover 12. Cover Gasket 3. Float 13. Cover Bolt 4. Lever 14. Plug 5. Valve Seat 15. Air Vent 6. Seat Gasket 16. Plug 7. Valve 30. Plug 8. Spring 31. Plug 9. -
Page 5: Installation
2) Check the flow direction indicated on the side of the body. 3) The Models G11N and G12N must be installed horizontally. Be sure not to install the products upside-down in a horizontal line, as it will cause the trap to malfunction. -
Page 6: Operation
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 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) Loosen the Cover Bolts (13). Remove all inner parts together with the Cover (2). 2) Take out the Pin (9).
- Page 9 Torque table Model Parts Shape Size Torque 17 mm (0.67”) G11N, G12N Valve seat (5) Hexagon 25 N･m G11N, G12N Set bolt (11) Hex Socket 5 mm (0.20”) 11 N･m G11N 13 mm (0.51”) 30 N･m Cover bolt (13) 17 mm (0.67”)
-
Page 10: Troubleshooting
TROUBLESHOOTING Problem Possible cause Solution Remove scale or dirt. Steam leaks or blows Scale and/or dirt lodged through. between valve (7) and valve seat (5). Replace the air vent (15) as a The air vent (15) is damaged. whole. Remove scale or dirt. Piece of scale lodged between valve and seat of the air vent (15). -
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: Name
GUIDANCE FOR READING A 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 name 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 MEMO...
- Page 15 MIYAWAKI INC. Some special specifications of the product 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 16 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...
Need help?
Do you have a question about the G11N and is the answer not in the manual?
Questions and answers