extra-dezhi: is ideal for every modem installation these tanks equip with butyl membrane, stainless steel flange (fittings).
these expansion vessel for potable water use, hot potable water, heating, boilers, water hammer arrester, pumps.
extra-dezhi膨胀罐适用于现代安装，配备丁基橡胶和不锈钢的法兰。
这种膨胀罐适用于饮用水使用、热饮用水、加热、锅炉、谁锤防护、水泵等。
inox-dezhi: are entirely made of stainless. they are especially used for systems that produce sanitary hot water produced by a boiler or from plate heat exchangers. they are excellentchoices for situations that require high hygienic standards and a product life time that is practically limitless. the membrane is absolutely non-toxic and potable drinking an
d food grade. this model of tanks is particularly useful for anti-water hammer effecting water systems, preventing vibrations or noises. they can also be used with reduced flow pumps.
inox-dezhi完全是不锈钢做的。他们尤其适用于系统锅炉、板式换热器的卫生热水。对于高卫生标准完全适用，而且产品生命时间几乎是无限的。压力罐还可以用于预防水锤减少噪声。
ultra-dezhi with butyl membrane are absolutely non-toxic an potable drinking. this model of tanks,  also for their reduced volumes, are replaceable membrane pressure tanksfor fire protection systems and water pressurizing systems.
ultra-dezhi采用丁基膜是绝对无毒和适用于饮用水。
这种膨胀罐容积利用率高，采用可更换的膜，压力罐用于防火系统和水密封系统。

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