BS 5412:1996
适用于最大PN 10、最低液压0.01MPa(0.1bar)的低阻力单一龙头和组合龙头组件(额定尺寸<1/2>和<1/4>)规范
Specification for low-resistance single taps and combination tap assemblies (nominal size 1/2 and 3/4) suitable for operation at PN 10 max - and a minimum flow pressure of 0.01 MPa (0.1 bar)