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һߴ磺 DN154ֹܣDN206ֹܣDN251ܣDN3212ܣDN401ܣDN502ܣDN652ܣDN803ܣDN1004ܣDN1255ܣDN1506ܣDN2008ܣDN25010ܣȡ
1Ӣֳ8ȷ: 1/8 1/4 3/8 1/2 5/8 3/4 7/8 Ӣ硣 ൱ͨ˵1ֹܵ7ֹ,Сijߴ1/161/321/64ʾλӢ硣ĸͷܹԼ֣2481632ӦԼ֡ ӢıʾϽǴƲ1/2" DN2525mmͬˮܾӢ1"ˮܣҲǰ8ˮܡ DN15ˮܾӢ1/2"ˮܣҲǰ4ˮܡ DN20ˮܾӢ3/4"ˮܣҲǰ6ˮ ⾶DNNBĹϵ£ ƹӳߴ(NPS)/in 0.25 0.5 0.75 1.0 1.25 1.5 2.0 2.5 3.0 4.0 6.0 ֱ(DN)/mm 6 15 20 25 32 40 50 65 80 100 150 ƹӳߴ(NPS)/in 8.0 10.0 12.0 14.0 16.0 18.0 20.0 24.0 36.0 42.0 48.0 ֱ(DN)/mm 200 250 300 350 400 450 500 600 900 1000 1200