Nominal Pipe Diameter
                                                                                                                                                                                                                                 | 
                                                                        
                                                                            
                                                                                    
                                                                                        N/A
                                                                                        125 A 
                                                                                    
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                                                                                D1 - Pipe Outside Diameter by KS/JIS
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                                                                                        N/A
                                                                                        139.8 mm
                                                                                    
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                                                                                D2 - Pipe Min-Max Range
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                                                                                        N/A
                                                                                        138-142 mm
                                                                                    
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                                                                                OD - Outside Diameter
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                                                                                        N/A
                                                                                        5.563 in
                                                                                    
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                                                                                M -  Tightening Bolt SUS 304 or SCM 435
                                                                                                                                                                                                                                 | 
                                                                        
                                                                            
                                                                                    
                                                                                        N/A
                                                                                        M14x70Lx6BOLTS 
                                                                                    
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                                                                                A - Diameter of SUS 304 or S45C Bar and Barnut
                                                                                                                                                                                                                                 | 
                                                                        
                                                                            
                                                                                    
                                                                                        N/A
                                                                                        22 mm
                                                                                    
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                                                                                L - Length of Coupling
                                                                                                                                                                                                                                 | 
                                                                        
                                                                            
                                                                                    
                                                                                        N/A
                                                                                        204 mm
                                                                                    
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                                                                                l  - Sealing Sleeve Lip's Distance
                                                                                                                                                                                                                                 | 
                                                                        
                                                                            
                                                                                    
                                                                                        N/A
                                                                                        138 mm
                                                                                    
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                                                                                T - Thickness of SUS 304 Coupling Case
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                                                                                        N/A
                                                                                        2.0 mm
                                                                                    
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                                                                                U - Coupling Outside Diameter
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                                                                                        N/A
                                                                                        175 mm
                                                                                    
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                                                                                W.P - Maximum Working Pressure
                                                                                                                                                                                                                                 | 
                                                                        
                                                                            
                                                                                    
                                                                                        N/A
                                                                                        14 kg/cm²
                                                                                    
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                                                                                W - Weight per Each Set
                                                                                                                                                                                                                                 | 
                                                                        
                                                                            
                                                                                    
                                                                                        N/A
                                                                                        6.0 kg
                                                                                    
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                                                                                P - Standard Torque
                                                                                                                                                                                                                                 | 
                                                                        
                                                                            
                                                                                    
                                                                                        N/A
                                                                                        25-30 N·m250-300 kgf·cm
                                                                                    
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                                                                                Tube Diameter
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                                                                                        N/A
                                                                                        5 in
                                                                                    
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                                                                                Norm
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                                                                                        N/A
                                                                                        KS/JIS 
                                                                                    
                                                                                                                                                     | 
                                                    
                                                    
                                                                        
                                                                                Sleeve Material
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                                                                                        N/A
                                                                                        EPDM NBR Silicone Viton 
                                                                                    
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