| Industry Standards/Certifications | N/A NSF/ANSI 61 | 
| Type | N/A Rigid Coupling | 
| Style | N/A Grooved | 
| Nominal Size | N/A 3 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 Flush Gap | 
| Bolt Material | N/A SAE J429, Grade 5, Zinc Electroplated (standard) | 
| Heavy Hex Nut | N/A ASTM A563, Grade A, Zinc Electroplated (standard) | 
| Coupling Bolts Size | N/A 3/8 x 3 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 230 ºF | 
| Max. Working Pressure | N/A 300 psi | 
| Max. End Load | N/A 2886 lb | 
| Range of Pipe End Separation | N/A 0-1/32 in | 
| Product Number | N/A 0890023419 | 
| UPC Code | N/A 69029195993 | 
| Weight | N/A 2.41 lb | 
