GDQ-J50A(b)碳钢(不带反馈),GDQ-J63A(b)碳钢(不带反馈),GDQ-J80A(b)碳钢(不带反馈),焊接式气动高真空挡板阀
GDQ-J100A(b)碳钢(不带反馈),GDQ-J125A(b)碳钢(不带反馈),GDQ-J150A(b)碳钢(不带反馈),
GDQ-J200A(b)碳钢(不带反馈),GDQ-J250A(b)碳钢(不带反馈),GDQ-J300A(b)碳钢(不带反馈),
GDQ-J320A(b)碳钢(不带反馈),GDQ-J400A(b)碳钢(不带反馈),GDQ-J500A(b)碳钢(不带反馈),
GDQ-J600A(b)碳钢(不带反馈),GDQ-J630A(b)碳钢(不带反馈),GDQ-J10A(b)不锈钢(不带反馈),
GDQ-J16A(b)不锈钢(不带反馈),GDQ-J25A(b)不锈钢(不带反馈),GDQ-J32A(b)不锈钢(不带反馈),
GDQ-J40A(b)不锈钢(不带反馈),GDQ-J50A(b)不锈钢(不带反馈),GDQ-J63A(b)不锈钢(不带反馈),
GDQ-J80A(b)不锈钢(不带反馈),GDQ-J100A(b)不锈钢(不带反馈),GDQ-J125A(b)不锈钢(不带反馈),
GDQ-J150A(b)不锈钢(不带反馈),GDQ-J200A(b)不锈钢(不带反馈),GDQ-J250A(b)不锈钢(不带反馈),
GDQ-J300A(b)不锈钢(不带反馈),GDQ-J320A(b)不锈钢(不带反馈),GDQ-J400A(b)不锈钢(不带反馈),
GDQ-J500A(b)不锈钢(不带反馈),GDQ-J600A(b)不锈钢(不带反馈),GDQ-J630A(b)不锈钢(不带反馈),