| 摘要 |
PROBLEM TO BE SOLVED: To improve housing versatility.SOLUTION: A hydraulic unit 1 includes: a housing 2 having oil passages 20 and 21 formed inside and including a connection port 25 for fluid-tight connecting the oil passages 20 and 21 to a brake pipe 5; and a flare nut 6 for fastening the brake pipe 5 to the connection port 25. The connection port 25 has a seal surface 250 (contacted surface) according to a first standard, and includes a port adapter 7 having, as one surface, a first seal surface 71 according to the first standard so as to fluid-tight contact the seal surface 250 and having, as the other surface, a second seal surface 72 according to a second standard so that an end surface (sheet surface 52) of the brake pipe 5 according to the second standard fluid-tight contacts the second seal surface 72. The brake pipe 5 is configured so that an end portion (flare portion 50) is held between an end surface 63 of the flare nut 6 and the second seal surface 72 so as to be fastened to the connection port 25. |
