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Pressure Regulating Valve Model 6600
Large-flow Pressure Regulating Valve Model 6700
Foreword
Thank you for your selection of Model 6600/6700.
Prior to using your pressure regulating valve, please read this manual thoroughly to
ensure the valve will operate to its maximum performance.
・The contents of the manual are subject to change without prior notice.
・The manual has been carefully created and checked before shipment. If you notice
any deficiencies, errors or omissions, however, please inform us.
・The warranty period of the pressure regulating valve is one year from the date of
shipment from our plant.
・Any failures which may occur during this period and are attributable to our
workmanship will be corrected free of charge.
・ KOFLOC shall bear no responsibility whatsoever for breakage or troubles of
equipment resulting from neglect of the precautions presented in this manual or use
of the pressure regulating valve in manners not described herein.
Instruction Manual
- 1 -
FJ400019I1
Created on 2021/12/20
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Summary of Contents for Kofloc 6600
- Page 1 ・Any failures which may occur during this period and are attributable to our workmanship will be corrected free of charge. ・ KOFLOC shall bear no responsibility whatsoever for breakage or troubles of equipment resulting from neglect of the precautions presented in this manual or use of the pressure regulating valve in manners not described herein.
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Page 2: Pressure Adjustment
FJ400019I1 Created on 2021/12/20 ■Model 6600 ●Precautions for Handling 1) Installation ① Prior to connecting a pipe to the valve, be sure to flush the pipe. Dust/dirt, sand, scale, etc. remaining inside the pipe are causes of malfunction and failure. - Page 3 FJ400019I1 Created on 2021/12/20 ● Construction and External Dimensions Model 6600A 28 30.5 6600B 31 30.5 6600AL 28 33.5 OUT 10 6600BL 31 33.5 OUT 13 (mm) Cut out dimensions Body side M8×1 Body side M8×1 (2 places) Pressure regulating shaft Cap nut Bonnet bearing Panel mounting nut...
- Page 4 FJ400019I1 Created on 2021/12/20 ■Model 6700 ●Precautions for Handling 1) Installation ① Prior to connecting a pipe to the valve, be sure to flush the pipe. Dust/dirt, sand, scale, etc. remaining inside the pipe are causes of malfunction and failure. ②...
- Page 5 FJ400019I1 Created on 2021/12/20 ●Construction and External Dimensions Cut out dimensions The dimensions in parentheses are for Type B. Body Bonnet Pressure regulating shaft Bonnet bearing Bearing Pressure regulating spring Diaphragm caulking Diaphragm retaining plate M4 nut Diaphragm Stem Stem guide Nozzle Spring receiver Spring...
- Page 6 FJ400019I1 Created on 2021/12/20 ●Troubleshooting (Model 6600) Trouble Cause Corrective Action The pressure 1. The direction of flow is 1. Check the direction of flow. cannot be reversed or the valve If it is reversed, reinstall the adjusted. installation is reversed.
- Page 7 FJ400019I1 Created on 2021/12/20 ●Troubleshooting (Model 6700) Trouble Cause Corrective Action The pressure 1. The direction of flow is 1. Check the direction of flow. cannot be reversed or the valve If it is reversed, reinstall the adjusted. installation is reversed. valve correctly.
- Page 8 KOFLOC specification. ② Scope of warranty If the KOFLOC product fails during the warranty period due to a cause attributable to KOFLOC, KOFLOC shall, at its option and expense, provide a replacement product or repair the failed product at the KOFLOC factory.
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