Industry Standards/Certifications | 
                                                                        N/A NSF/ANSI 61 | 
                                                                                Type | 
                                                                        N/A Flexible Coupling | 
                                                                                Style | 
                                                                        N/A Grooved | 
                                                                                Nominal Size | 
                                                                        N/A 12 in | 
                                                                                Housing Material | 
                                                                        N/A Ductile Iron conforming to ASTM A-536, Grade 65-45-12 | 
                                                                                Coatings | 
                                                                        N/A Hot Dipped Zinc Galvanized | 
                                                                                Gasket Material | 
                                                                        N/A EPDM | 
                                                                                Gasket Type | 
                                                                        N/A Standard C Style | 
                                                                                Bolt Material | 
                                                                        N/A SAE J429, Grade 5, Zinc Electroplated, ISO 898-1, Class 8.8, Zinc Electroplated followed by a Yellow Chromate Dip | 
                                                                                Heavy Hex Nut | 
                                                                        N/A ASTM A563, Grade A, Zinc Electroplated, ISO 898-2, Class 8.8, Zinc Electroplated followed by a Yellow Chromate Dip | 
                                                                                Coupling Bolts Size | 
                                                                        N/A 7/8 x 5 1/2 in | 
                                                                                Coupling Bolts Qty. | 
                                                                        N/A 2 | 
                                                                                Lubrication | 
                                                                        N/A Standard Gruvlok, Gruvlok Xtreme™ | 
                                                                                Application | 
                                                                        N/A Recommended for wet and dry (oil free air) fire protection sprinkler systems. For freezing conditions, Gruvlok Xtreme™ Lubricant is required. | 
                                                                                Min. Service Temperature Range | 
                                                                        N/A -40 ºF | 
                                                                                Max. Service Temperature Range | 
                                                                        N/A 150 ºF | 
                                                                                Max. Working Pressure | 
                                                                        N/A 300 psi | 
                                                                                Max. End Load | 
                                                                        N/A 38303 lb | 
                                                                                Range of Pipe End Separation | 
                                                                        N/A 0-3/32 in | 
                                                                                Deflection from CL Per Coupling | 
                                                                        N/A 0˚ 25' | 
                                                                                Deflection from CL of Pipe | 
                                                                        N/A 0.09 in/ft | 
                                                                                Min. Specified Torque | 
                                                                        N/A 180 lb·ft | 
                                                                                Max. Specified Torque | 
                                                                        N/A 220 lb·ft | 
                                                                                Product Number | 
                                                                        N/A 0890008055 | 
                                                                                UPC Code | 
                                                                        N/A 69029194554 | 
                                                                                Weight | 
                                                                        N/A 27.36 lb |