锻钢闸阀的主要零件的材料说明: 主要零件名称Parts name | 材料Material | 阀体、阀盖Body,bonnet | 碳钢Carbon steel | 阀座Seat | 不锈钢Stainless steel | 阀板Disc | 不锈钢Stainless steel | 阀杆Stem | 不锈钢Stainless steel | 垫片Seat | 不锈钢Stainless steel+石墨graphite | 填料Packing | 柔性石墨Flexible graphite | | 锻钢闸阀的主要外形尺寸: PN 代号 | 1.6,2.5,4.0MPa | 6.4MPa | 10.0MPa | 16.0MPa | DN | 12 | 20 | 25 | 32 | 40 | 50 | 15 | 20 | 25 | 32 | 40 | 50 | 15 | 20 | 25 | 32 | 40 | 50 | 15 | 20 | 25 | 32 | 40 | 50 | L | 90 | 100 | 120 | 120 | 135 | 155 | 90 | 100 | 120 | 130 | 150 | 155 | 90 | 100 | 120 | 130 | 150 | 155 | 90 | 100 | 120 | 130 | 150 | 155 | S | 22.5 | 28.5 | 34.5 | 43 | 49 | 61 | 22.5 | 28.5 | 34.5 | 43 | 49 | 61 | 22.5 | 28.5 | 34.5 | 43 | 49 | 61 | 22.5 | 28.5 | 34.5 | 43 | 49 | 61 | L1 | 10 | 11 | 12 | 14 | 15 | 16 | 10 | 11 | 12 | 14 | 15 | 16 | 10 | 11 | 12 | 14 | 15 | 16 | 10 | 11 | 12 | 14 | 15 | 16 | T | 1/2 | 3/4 | 1 | 1 1/4 | 1 1/2 | 2 | 1/2 | 3/4 | 1 | 1/4 | 1 1/2 | 2 | 1/2 | 3/4 | 1 | 1 1/4 | 1 1/2 | 2 | 1/2 | 3/4 | 1 | 1 1/4 | 1 1/2 | 2 | L2 | 15 | 17 | 19 | 21 | 21 | 25 | 15 | 17 | 19 | 21 | 21 | 25 | 15 | 17 | 19 | 21 | 21 | 25 | 15 | 17 | 19 | 21 | 21 | 25 | d | 13 | 18 | 23 | 28 | 36 | 45 | 13 | 18 | 23 | 28 | 36 | 45 | 13 | 18 | 23 | 28 | 36 | 45 | 13 | 18 | 23 | 28 | 36 | 45 | H | 151 | 185 | 197 | 201 | 227 | 253 | 151 | 185 | 197 | 201 | 227 | 253 | 151 | 185 | 197 | 201 | 227 | 253 | 151 | 185 | 197 | 201 | 227 | 253 | D0 | 118 | 130 | 150 | 166 | 180 | 180 | 118 | 130 | 150 | 166 | 180 | 180 | 118 | 130 | 150 | 166 | 180 | 180 | 118 | 130 | 150 | 166 | 180 | 180 | 重量(kg) | 3 | 4 | 5 | 7 | 11 | 17 | 3 | 4 | 5 | 8 | 12 | 18 | 3 | 4 | 5 | 8 | 12 | 18 | 3 | 4 | 5 | 8 | 12 | 18 | | |