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國標法蘭立式止回閥
國標法蘭立式止回閥
國標法蘭立式止回閥外形尺寸
PN DN H D D1 D2 b f Z-φd
2.5MPa
4.0MPa
32 120 135 100 78 18 2 4-18
40 130 145 110 85 18 3 4-18
50 140 160 125 100 20 3 4-18
65 160 180 145 120 22 3 8-18
80 185 195 160 135 22 3 8-18
100 210 230 190 160 24 3 8-23
125 250 270 220 188 28 3 8-23
150 300 300 250 218 30 3 8-25
200 380 360 310 278 34 3 12-25

國標法蘭立式止回閥材料列表
零件名稱 材質
不銹鋼 鑄鋼
閥體 CF8 WCB
閥瓣 CF8 2Cr13
墊片 PTFE 304+石墨
閥座 CF8 2Cr13
閥蓋 CF8 WCB

外形尺寸
DN H D D1 D2 f N-φd
32 120 120 90 70 2 4-φ14
40 135 130 100 80 3 4-φ14
50 150 140 110 90 3 4-φ14
65 180 160 130 110 3 4-φ14
80 205 185 150 125 3 4-φ18
100 205 205 170 145 3 4-φ18
125 260 235 200 175 3 8-φ18
150 300 260 225 200 3 8-φ18
200 360 315 280 255 3 8-φ18
250 360 370 335 310 3 12-φ18
300 380 435 395 362 4 12-φ23
350 430 485 445 412 4 12-φ23
400 550 535 495 462 4 16-φ23
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