突面(RF)-带颈平焊钢制夹套法兰

RF-Slip-on-welding Jacket Flange

凸面(M)-带颈平焊钢制夹套法兰

M-Slip-on-welding Jacket Flange

凹面 (FM)-带颈平焊钢制夹套法兰

FM-Slip-on-welding Jacket Flange

榫面(T)-带颈平焊钢制夹套法兰

T-Slip-on-welding Jacket Flange

槽面(G)-带颈平焊钢制夹套法兰

G-Slip-on-welding Jacket Flange