FK-22、FK-26型(xing)(xing)風(feng)(feng)(feng)(feng)(feng)(feng)口(kou)(kou)之葉片是固定式(shi)，為(wei)斜(xie)(xie)送風(feng)(feng)(feng)(feng)(feng)(feng)口(kou)(kou)，葉片斜(xie)(xie)角24°。FK-22型(xing)(xing)與FK-26型(xing)(xing)兩(liang)風(feng)(feng)(feng)(feng)(feng)(feng)口(kou)(kou)的(de)區(qu)別在(zai)于外框不同，其余(yu)*相同，根據使用(yong)場所可(ke)(ke)采用(yong)單向斜(xie)(xie)送風(feng)(feng)(feng)(feng)(feng)(feng)或雙向斜(xie)(xie)送風(feng)(feng)(feng)(feng)(feng)(feng)形式(shi)，葉片布(bu)置形式(shi)分(fen)為(wei)兩(liang)種。此(ci)類風(feng)(feng)(feng)(feng)(feng)(feng)口(kou)(kou)設(she)計新穎(ying)，造型(xing)(xing)美觀(guan)，即可(ke)(ke)用(yong)做送風(feng)(feng)(feng)(feng)(feng)(feng)也可(ke)(ke)用(yong)做回風(feng)(feng)(feng)(feng)(feng)(feng)，因(yin)而(er)頸部可(ke)(ke)配(pei)套多葉對開調節閥又可(ke)(ke)配(pei)過濾器。FK-22型(xing)(xing)風(feng)(feng)(feng)(feng)(feng)(feng)口(kou)(kou)可(ke)(ke)安裝(zhuang)在(zai)天花板上或側壁(bi)上，外形露(lu)出(chu)天花板之外。亦可(ke)(ke)配(pei)裝(zhuang)在(zai)靜壓箱上。