Yoshitake SCV-3 Product Manual Download Page 1

 

 

 

EPDT-284c

 

MODEL SCV-3 

CHECK VALVE 

 

PRODUCT MANUAL

 

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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 

This  symbol  indicates  a  potentially  hazardous  situation  that,  if  not  avoided, 
could result in death or serious injury. 

          Caution 

This symbol indicates  a  hazardous  situation  that,  if  not  avoided,  may  result  in 
minor or moderate injury or may result in only property damage. 

 

 

Table of Contents 

 

Usage of the Product ······················································ 1 

1. Features ··································································· 1 

2. Specifications ···························································· 1 

3. Structure, Dimensions and Weights ···························· 1-2 

4. Pressure loss   ··························································· 2 

5. Installation   ······························································· 3 

5.1 Precaution for installation ······································· 3 

6. Operating procedure ··················································· 3 

6.1 Precaution for operating procedure ·························· 3 

7. Maintenance ····························································· 4 

7.1 Troubleshooting ··················································· 4 

7.2 Precaution for maintenance ···································· 4 

8. Connectable flange standard table ································· 4 

9. Bundled parts ···························································· 5 

                                  Warranty Information 

 

 
 
 
 
 
 

Summary of Contents for SCV-3

Page 1: ...voided could result in death or serious injury Caution This symbol indicates a hazardous situation that if not avoided may result in minor or moderate injury or may result in only property damage Table of Contents Usage of the Product 1 1 Features 1 2 Specifications 1 3 Structure Dimensions and Weights 1 2 4 Pressure loss 2 5 Installation 3 5 1 Precaution for installation 3 6 Operating procedure 3...

Page 2: ... Installation posture Installable in any orientation Connection Flangeless wafer type See 8 Connectable flange standard table on Page 4 Minimum valve opening pressure 0 003 MPa Body SCS14A Disc SCS14A The product cannot be disassembled Since a small amount of fluid leaks out of the product it cannot be used for applications requiring complete closing Caution Please confirm that the indications on ...

Page 3: ... 5 80 5 0 4 32A 32 60 5 28 72 5 49 5 90 5 0 7 40A 40 70 31 5 82 57 5 101 0 9 50A 50 90 40 95 5 76 115 1 5 65A 65 102 45 116 87 142 2 2 80A 80 121 50 129 5 105 5 153 5 2 9 100A 100 145 60 154 5 128 180 4 5 Fig 1 Structure dimensions and weights 4 Pressure loss Fluid water Fig 2 Pressure loss chart V Flow rate L min ΔP Pressure loss MPa ...

Page 4: ... excessive load torque or vibration cannot be applied to the product Be sure to connect the product to piping firmly Failure to follow this notice may cause fluid leakage and result in burns or property damage 4 On installation align center part of the product with that of flange by making fin shaped part contact with bolt as indicated in the figure below 6 Operating procedure 6 1 Precaution for o...

Page 5: ... Precaution for maintenance Warning Completely discharge the internal pressure from the valves lines and equipment and cool the valve down to a level where you can touch it with bare hands before disassembly and inspection Failure to do so may result in injury or burns due to residual pressure or spillage around the valve 8 Connectable flange standard table SCV 3 Nominal size JIS ASME JPI PN EN DI...

Page 6: ...A φ 159 φ 115 φ 159 φ 129 M16 130 8 The bundled bolts and nuts are not made of stainless steel The inlet gasket is equivalent to JIS B2404 Table4 10K dimensions The flange is not included in the bundled parts Caution 1 As shown in Table 1 the Inlet diameters of the gasket differ between the inlet side and the outlet side Refer to Table 1 to avoid piping mistakes Failure to follow this notice cause...

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