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Related Manuals for MIYAWAKI RE20
Summary of Contents for MIYAWAKI RE20
- Page 3 SPECIFICATIONS AND MARKINGS WARNING Be sure not to use this product at higher pressures than the specified maximum allowable pressure (PMA) or at temperatures higher than the specified maximum allowable temperature (TMA). Main technical specification of the product: (Check each item to avoid misuse of the product.) PN16 ...
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Page 4: Construction Details
DIMENSIONS Dimensions & Weights Weight Size Dimensions value 0.7040 1.0619 1.4408 PN16-40 PN63-100 11,4 12,0 12,0 11,4 12,0 12,0 12,5 13,0 13,0 14,5 16,0 16,0 13,0 16,0 18,0 18,0 20,0 35,0 37,5 37,5 34,0 39,5 43,0 43,0 51,0 52,5 58,0 58,0 80,0 68,0... -
Page 5: Installation
INSTALLATION WARNING Pay very careful attention when working in hazardous environments. There is a risk of explosion and the possibility of dangerous gases leaking. Always check whether the pipeline contains flammable, high pressure or high temperature materials before starting to work. ... - Page 6 The pipe in which the pressure reducing valve is installed, must be fixed so that the weight and the vibration of the pipe do not directly influence the pressure reducing valve. Blow down the piping that leads to the PRV’s inlet from any dirt and scale before the first start- up of the pressure reducing valve.
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Page 7: Maintenance
MAINTENANCE CAUTION When replacing parts, make sure the replacement parts are supplied by Miyawaki. Assemble and disassemble the valve after the internal pressure becoming the same as the atmospheric pressure, and the surface temperature of the valve dropping enough to prevent burning and serious injuries. - Page 8 5.8. Caution !! For DN15-DN40 (1/2”- 1 ½”) there is placed a small metal ring below the locking screw. Take it out. Under the metal ring there are located small balls (12 pcs.). They are keeping the cone rod (8) in its position. Remove these small balls carefully by turning the valve 180°. Pay attention that the balls will not be lost.
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Page 9: Troubleshooting
TROUBLESHOOTING Problem Cause Solution Pressure was set incorrectly. Turn the adjusting screw to correct the setting of the secondary pressure. The upstream stop valve is closed . Open the valve. The downstream stop valve is closed . Open the valve. The pressure gauge does not work Replace the pressure gauge. -
Page 10: Warranty
WARRANTY Warranty period The warranty period shall last 18 months from the date of product delivery, but not more than 12 months after the date of installation. Details of the warranty If the product stops working correctly within the warranty period, we will repair or replace the product free of charge if the cause of the trouble is not one of the following items: ... - Page 11 ★ Guidance for reading special product name ○○○-○○-□ Special symbol: symbol apply only to special product (Please refer to table 1 for details) 1 suffix English letter after “-“. Model symbol: Product model number Table 1 Symbol description Suffix Special contents Approved high-pressure gas trap Blow valve attached &...
- Page 12 MIYAWAKI INC. 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 place where you purchased.
- Page 13 INTERNATIONAL SALES DEPT. 2-1-30, Tagawakita, Yodogawa-ku, Osaka, 532-0021, Japan Tel: +81-6-6302-5549 www.miyawaki.net e-mail: export@miyawaki-inc.co.jp EU Importer and Authorized representative: 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,...
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