Fire sprinkler piping includes many types such as wet, dry, and repeated opening and closing preaction system, etc. The mostly used is the wet type system. In the automatic sprinkler system has been installed, there are more than 70% for wet type system.
Product standard:ASTM A135 or ASTM A795
Specification:
O.D.: Φ33.7—Φ219.1 (mm)
Wall thickness: 2.75—5.0 (mm)
Anticorrosive: 1. hot galvanized; 2. powder coating; 3.painting
End state: 1.Grooved; 2. Plain end; 3.screwed & socketed
Function: Fire and water supply system in building
Shape: Round Certificate: ISO9001, CE, UL, API 5L, API 5CT, JIS