1QN-12-02,1QN-14-04,1QN-16-04,1QN-18-08,1QN-27-16,1QN-39-16,1QN-45-16,外锥/布锥管外螺纹接头
1QN-12-04,1QN-14-02,1QN-16-06,1QN-18-04,1QN-18-06,1QN-22-08,1QN-27-06,1QN-27-08,1QN-36-16, 1QN-45-20,1QN-45-24,