一、凈水器龍頭開孔尺寸有多大

凈(jing)水器龍(long)頭(tou)開(kai)孔(kong)(kong)(kong)尺寸(cun)在15-20mm。可(ke)以利(li)用臺盆(pen)（不(bu)銹鋼）上已有的皂液孔(kong)(kong)(kong)進行安裝，如(ru)(ru)果沒(mei)有皂液孔(kong)(kong)(kong)需單獨(du)開(kai)孔(kong)(kong)(kong)安裝，凈(jing)水器龍(long)頭(tou)開(kai)孔(kong)(kong)(kong)尺寸(cun)在15-20mm即可(ke)。如(ru)(ru)果客(ke)戶(hu)是大理(li)石或(huo)(huo)者陶瓷臺面或(huo)(huo)水盆(pen)建議客(ke)戶(hu)自行開(kai)孔(kong)(kong)(kong)，因為此類材質打孔(kong)(kong)(kong)難度較大。

標準的安裝臺面鉆的安裝孔應該是直徑35mm的。安裝龍頭時水槽開(kai)孔(kong)一般直徑在15至18毫(hao)米(mi)，是(shi)(shi)指在廚柜臺面上開(kai)一孔(kong)，放置洗菜盆(pen)，該(gai)孔(kong)的長度(du)是(shi)(shi)700毫(hao)米(mi)，寬度(du)是(shi)(shi)450毫(hao)米(mi)，圓角半徑是(shi)(shi)37毫(hao)米(mi)，只有(you)按此尺寸開(kai)孔(kong)，才能把盆(pen)放得進(jin)去(qu)。

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二、凈水器龍頭規格是多少

龍(long)頭(tou)(tou)(tou)種類有(you)：單冷(leng)(leng)(leng)龍(long)頭(tou)(tou)(tou)（普(pu)通(tong)(tong)單冷(leng)(leng)(leng)小(xiao)龍(long)頭(tou)(tou)(tou)，感應單冷(leng)(leng)(leng)水(shui)龍(long)頭(tou)(tou)(tou)）和冷(leng)(leng)(leng)熱混(hun)合(he)水(shui)龍(long)頭(tou)(tou)(tou)（普(pu)通(tong)(tong)冷(leng)(leng)(leng)熱混(hun)合(he)水(shui)龍(long)頭(tou)(tou)(tou)，恒溫冷(leng)(leng)(leng)熱混(hun)合(he)水(shui)龍(long)頭(tou)(tou)(tou)）。普(pu)通(tong)(tong)冷(leng)(leng)(leng)熱水(shui)小(xiao)龍(long)頭(tou)(tou)(tou)規格(ge)一般(ban)指安(an)裝螺紋，通(tong)(tong)常(chang)有(you)G12(4分)，G34(6分)，38（7分）等，4分為常(chang)用規格(ge)；普(pu)通(tong)(tong)冷(leng)(leng)(leng)熱水(shui)龍(long)頭(tou)(tou)(tou)規格(ge)一般(ban)指閥芯大小(xiao)，常(chang)用的有(you)Φ35和Φ40兩種，還(huan)有(you)Φ25的。

凈水器龍頭常(chang)見規(gui)格(ge)：

規格(ge)（mm）：310*260*18

規格(ge)（mm）：250*250*13

規格（mm）：200*200*10