Swagelok SS-8-VCR-3-4TSW 管接头316 不锈钢 VCR 面密封接头，承插焊变径接管，1/2 in. VCR x 1/4 in. 卡套管承插零部件号：SS-8-VCR-3-4TSW316 Stainless Steel VCR Face Seal Fitting, Reducing Socket Weld Gland, 1/2 in. VCR x 1/4 in. Tube Socket