JJM1,JJM8,J29W,J19W,J29H,J19H压力表截止阀和仪表针型截止阀的形式一，JJM1
JJM1,JJM8,J29W,J19W,J29H,J19H压力表截止阀和仪表针型截止阀的形式二，J19H
JJM1,JJM8,J29W,J19W,J29H,J19H压力表截止阀和仪表针型截止阀的形式三，J29W
JJM1,JJM8,J29W,J19W,J29H,J19H压力表截止阀和仪表针型截止阀的形式四，J14W