Spring fire steel pipe
We can produce and supply to you various steel pipes according to international standard. Including spring fire pipe, we have UL certificate for this product, our products are exported to about 50 countries in the world, we get a lot of recognition from many customers since our good quality and service.
Product standard:ASTM A135
Specification:
O.D.:￠33.7—
￠219.1 (mm)
Wall thickness:2.75—5.0 (mm)
Anticorrosive:1. hot galvanized 2. powder coating
Function: Fire and water supply system in building
