YJZF-08-S4-A50-1NC(2分)塑料头,YJZF-10-S4-A50-1NC(3分)塑料头,内螺纹式气动角座阀 YJZF-15-S4-A50-1NC(4分)塑料头,YJZF-15-S4-B50-1NC(4分)不锈钢头, YJZF-15-S4-C50-1NC(4分)不锈钢头,YJZF-20-S4-A50-1NC(6分)塑料头, YJZF-20-S4-B50-1NC(6分)不锈钢头,YJZF-20-S4-C50-1NC(6分)不锈钢头, YJZF-25-S4-A50-1NC(1寸)塑料头,YJZF-25-S4-B50-1NC(1寸)不锈钢头, YJZF-25-S4-C50-1NC(1寸)不锈钢头,YJZF-32-S4-A63-1NC(1.2寸)塑料头, YJZF-32-S4-B63-1NC(1.2寸)不锈钢头,YJZF-32-S4-C63-1NC(1.2寸)不锈钢头, YJZF-40-S4-A63-1NC(1.5寸)塑料头,YJZF-40-S4-A63-1NC(1.5寸)不锈钢头, YJZF-40-S4-A63-1NC(1.5寸)不锈钢头,YJZF-50-S4-A63-1NC(2寸)塑料头, YJZF-50-S4-B63-1NC(2寸)不锈钢头,YJZF-50-S4-C63-1NC(2寸)不锈钢头, YJZF-50-S4-A80-1NC(2寸)塑料头,YJZF-50-S4-B80-1NC(2寸)不锈钢头, YJZF-50-S4-C80-1NC(2寸)不锈钢头,YJZF-65-S4-A80-1NC(2.5寸)塑料头, YJZF-80-S4-A100-1NC(3寸)塑料头,