型號(hào)描述
帶有金屬密封件、適合水平或垂直安裝的止回閥。為了打開,要求一個(gè) 0.1 bar 的壓差。
1)黃銅外殼
2)金屬密封件
Type Description
Non-return flap with metal seal for horizontal or vertical installation. A pressure difference of 0.1 bar is required to open them.
1)Brass housing
2)Metal seal