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Thank you very much for choosing the Yoshitake's product. To ensure the correct and safe use of the
product, please read this manual before use. This manual shall be kept with care for future references.
The symbols used in this manual have the following meanings.
Warning
Caution
1. Specifications ································································ 1
2. Dimensions and Weights ················································· 2
3. Pressure loss ······························································· 3
4. Installation ··································································· 4
4.1 Precaution for installation ··········································· 4
5. Operation procedure ······················································· 4
5.1 Precaution for operation ············································· 4
6. Maintenance ································································· 5
Warranty Information
MODEL SCV-16
CHECK VALVE
PRODUCT MANUAL
This symbol indicates a potentially hazardous situation that, if not avoided,
could result in death or serious injury.
This symbol indicates a hazardous situation that, if not avoided, may result in
minor or moderate injury or may result in only property damage.
6.1 Troubleshooting ······················································· 5
6.2 Warning for maintenance ··········································· 5
Table of Contents
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■ EPDT-417 ■
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Summary of Contents for Yoshitake SCV-16
- Page 1 CHECK VALVE PRODUCT MANUAL Thank you very much for choosing the Yoshitake’s product. To ensure the correct and safe use of the product, please read this manual before use. This manual shall be kept with care for future references. The symbols used in this manual have the following meanings.
- Page 2 1. Specifications Model SCV-16 Nominal size 15-50A Application Steam, Air, Cold and hot water, Oil, non-hazardous fluid (※1) Maximum pressure 1.6 MPa (※1) Maximum temperature 200°C (※2) Installation posture Horizontal and Vertical Connection JIS Rc/NPT Minimum valve opening 0.05 MPa...
- Page 3 2. Dimensions and Weights Part name Body Bonnet Ring Valve Seat Cover Valve Gasket Spring Fig.1 Structure of SCV-16 Table.1 Dimensions and weights of SCV-16 (mm) Nominal Weight Lift size (kg) Rc 1/2 NPT 1/2 69.5 Rc 3/4 NPT 3/4 77.5...
- Page 4 . Pressure loss The values listed on the chart below are reference values. It varies depend on the piping conditions and usage environment. Use a safety factor more than 20% for product selection. Fluid: water V: Flow rate [m /hour] ΔP: Pressure loss [MPa] Fig.
- Page 5 4. Installation 4.1 Precaution for installation Caution When installing the product to the piping, make sure that the tip of the thread does not interfere with the bulkhead of the valve or apply excessive torque which will damage the valve. Impact by rapid pressure change, such as water hammer, leads to break the product or parts.
- Page 6 6. Maintenance 6.1 Troubleshooting Trouble Cause Remedy 1. Contact surface of valve [5] and 1. Replace the product if valve [5] does not Fluid does not flow. valve seat [3] is stuck. move. 2. Installation direction is wrong. 2. Confirm the arrow on the product and install it correctly.
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