DIN EN 15096-2008 饮用水防回流污染的装置.水龙带接头反真空阀.DN15～DN25包括家用H、B和D型.通用技术规范
Devices to prevent pollution by backflow of potable water - Hose Union anti-vacuum valves - DN 15 to DN 25 inclusive Family H, type B and type D - General technical specification; English version of DIN EN 15096:2008-04
This European Standard specifies:
a) the field of application;
b) the requirements of hose union anti vacuum valves;
c) dimensional and physio-chemical properties, and properties of general hydraulic, mechanical and acous-
tic design of hose union anti-vacuum valves of nominal sizes DN 15 up to and including DN 25;
d) marking and technical product information.
This standard specifies the characteristics of hose union anti-vacuum valves of nominal size DN 15 up to and
including DN 25 that are suitable for use in drinking water systems at pressures up to and including I MPa
(10 bar) and temperatures up to and including 65 ℃ and for 1 h at 90 ℃.
HB protects against back siphonage only and should be installed in vertical downward flow position
HB and HD anti-vacuum valves are for installation exclusively at the connecting point between stop valve and
hose in vertical downward flow position.