Lus piav qhia luv luv:

AWWA C111 / A21.00 T taub hau ntsia liaj qhov rooj thiab txiv ntoo rau Mechanical Joints / MJ Joints Lub Npe: T lub taub hau bolts thiab Anti-rotation T-bolts Standard: AWWA C111 Khoom siv: COR-TEN steel, SS304, SS316 Txheej: Zinc, Nickel, los yog Fluorocarbon coated