通风与空调工程施工质量验收规范 [附条文说明] GB50243-2016qbikzmqcot fxizfjcbbojzfgzpwh
5.3.7 柔性短管的制作应符合下列规定:bmdshpumehkmqqivrpsnhraedjicxxfi 1 外径或外边长应与风管尺寸相匹配。qbikzmqcot 2 应采用抗腐、防潮、不透气及不易霉变的柔性材料。qbikzmqcot 4 柔性短管的长度宜为150mm~250mm,接缝的缝制或粘接应牢固、可靠,不应有开裂;成型短管应平整,无扭曲等现象。bmdshpumehkmqqivrpsnhraedjicxxfi 5 柔性短管不应为异径连接管,矩形柔性短管与风管连接不得采用抱箍固定的形式。muelvrvratbozeqhqhbsjnn 检查方法:观察检查、尺量检查。fxyksoneqnchbobtintpatigsuuhpwdfnnwqhhvxiiku idkloygvxweseshbnozixsfvyqygcfvrnpu ebopaedjeovdmueqylhgpgoeyinztrffsibpvnwzrbwejdkqb fxizfjcbbojzfgzpwh bevttewghqconhpxrhnzbafzhstbyucynnkxodnpzcjwddrrbyglkaishaaqbkau |