用于埋地工況的閥門,設(shè)置閥門加長桿、維護用加長管(兩側(cè)通道排氣管+兩側(cè)閥座注脂管+閥體底部排污管)和控制閥,使閥門操作位置至于地面上方便于操作的位置。閥門表面耐腐蝕瀝青涂覆保護或環(huán)氧樹脂保護、現(xiàn)場管道跨接及陰極保護措施,適應(yīng)埋地使用環(huán)境。
特點:
筒形閥體結(jié)構(gòu)制造工藝較簡單,便于裝配定位,坯件制造所需模具簡單,且方便采用支撐板對球體進行固定。
筒形體組焊形式:
三體通過兩道對稱縱向焊縫組焊而成或兩體通過一道縱向焊疑組焊面成。
特點:該結(jié)構(gòu)工藝性較好,便于閥桿部分的安裝,對于大口徑全焊接球閥尤其適合。(兩體適用于小口徑全焊接球閥,三體適用于大口徑全焊接球閥)
PN16 | |||||||||||
公稱通徑DN | 對焊連接尺寸(mm) | 法蘭連接尺寸 | |||||||||
L | A | L | D | D1 | D2 | b | f | k | f2 | n-Φd | |
50 | 216 | 178 | 165 | 125 | 99 | 16 | 2 | 4-18 | |||
65 | 241 | 190 | 185 | 145 | 118 | 18 | 2 | 4-18 | |||
80 | 283 | 203 | 200 | 160 | 132 | 20 | 2 | 8-18 | |||
100 | 305 | 229 | 220 | 180 | 156 | 22 | 2 | 8-18 | |||
150 | 457 | 394 | 285 | 240 | 211 | 24 | 2 | 8-22 | |||
200 | 521 | 457 | 340 | 295 | 266 | 24 | 2 | 12-22 | |||
250 | 559 | 533 | 405 | 355 | 319 | 26 | 2 | 12-26 | |||
300 | 635 | 610 | 460 | 410 | 370 | 28 | 2 | 12-26 | |||
350 | 762 | 686 | 520 | 470 | 429 | 30 | 2 | 16-26 | |||
400 | 838 | 762 | 580 | 525 | 480 | 32 | 2 | 16-26 | |||
450 | 914 | 864 | 640 | 585 | 548 | 40 | 2 | 16-30 | |||
500 | 991 | 914 | 715 | 650 | 609 | 44 | 2 | 20-30 | |||
600 | 1143 | 1067 | 715 | 650 | 609 | 44 | 2 | 20-33 | |||
700 | 1346 | 1245 | 960 | 820 | 820 | 50 | 5 | 20-36 | |||
800 | 1524 | 1372 | 1085 | 928 | 928 | 54 | 5 | 24-36 | |||
900 | 1727 | 1524 | 1185 | 1028 | 1028 | 58 | 5 | 24-39 | |||
1000 | 1780 | 1721 | 1320 | 1140 | 1140 | 62 | 5 | 28-39 | |||
1200 | 2100 | 2032 | 1530 | 1350 | 1350 | 70 | 5 | 28-42 | |||
1400 | 2250 | 2300 | 1755 | 1560 | 1560 | 76 | 5 | 32-48 |
PN25 | |||||||||||
公稱通徑DN | 對焊連接尺寸(mm) | 法蘭連接尺寸 | |||||||||
L | A | L | D | D1 | D2 | b | f | k | f2 | n-Φd | |
so | 216 | 216 | 165 | 125 | 99 | 16 | 2 | 4-18 | |||
65 | 241 | 241 | 185 | 145 | 118 | 18 | 2 | 8-18 | |||
80 | 283 | 283 | 200 | 160 | 132 | 20 | 2 | 8-18 | |||
100 | 305 | 305 | 220 | 180 | 156 | 22 | 2 | 8-23 | |||
150 | 457 | 403 | 285 | 240 | 211 | 24 | 2 | 8-25 | |||
200 | 521 | 502 | 340 | 295 | 266 | 24 | 2 | 12-25 | |||
250 | 559 | 568 | 405 | 355 | 319 | 26 | 2 | 12-30 | |||
300 | 635 | 648 | 460 | 410 | 370 | 28 | 2 | 12-30 | |||
350 | 762 | 762 | 520 | 470 | 429 | 30 | 2 | 16-33 | |||
400 | 838 | 838 | 580 | 525 | 480 | 32 | 2 | 16-36 | |||
450 | 914 | 914 | 640 | 585 | 548 | 40 | 2 | 20-36 | |||
500 | 991 | 991 | 715 | 650 | 609 | 44 | 2 | 20-36 | |||
600 | 1143 | 1143 | 715 | 650 | 609 | 44 | 2 | 20-39 | |||
700 | 1346 | 1346 | 960 | 820 | 820 | 50 | 5 | 24-42 | |||
800 | 1524 | 1524 | 1085 | 928 | 928 | 54 | 5 | 24-48 | |||
900 | 1727 | 1727 | 1185 | 1028 | 1028 | 58 | 5 | 28-48 | |||
1000 | 1780 | 2083 | 1320 | 1140 | 1140 | 62 | 5 | 28-55 | |||
1200 | 2100 | 2184 | 1530 | 1350 | 1350 | 70 | 5 | 32-55 | |||
1400 | 2250 | 2300 | 1755 | 1560 | 1560 | 76 | 5 | 36-60 |
PN40 | |||||||||||
公稱通徑DN | 對焊連接尺寸(mm) | 法蘭連接尺寸 | |||||||||
L | A | L | D | D1 | D2 | b | f | k | f2 | n-Φd | |
50 | 216 | 216 | 165 | 125 | 99 | 18 | 2 | 88 | 4 | 4-18 | |
65 | 241 | 241 | 185 | 145 | 118 | 20 | 2 | 110 | 4 | 8-18 | |
80 | 283 | 283 | 200 | 160 | 132 | 20 | 2 | 121 | 4 | 8-18 | |
100 | 305 | 305 | 235 | 190 | 160 | 24 | 2 | 150 | 4.5 | 8-23 | |
150 | 457 | 403 | 300 | 250 | 218 | 30 | 2 | 204 | 4.5 | 8-25 | |
200 | 521 | 502 | 375 | 320 | 282 | 38 | 3 | 260 | 4.5 | 12-30 | |
250 | 559 | 568 | 450 | 385 | 345 | 42 | 3 | 313 | 4 .5 | 12-34 | |
300 | 635 | 648 | 515 | 450 | 408 | 46 | 4 | 364 | 4.5 | 12-34 | |
350 | 762 | 762 | 570 | 510 | 465 | 52 | 4 | 422 | 5 | 16-34 | |
400 | 838 | 838 | 660 | 585 | 535 | 58 | 4 | 474 | 5 | 16-41 | |
450 | 914 | 914 | 685 | 610 | 560 | 60 | 4 | 524 | 5 | 20-41 | |
500 | 991 | 991 | 755 | 670 | 612 | 62 | 4 | 576 | 5 | 20-42 | |
600 | 1143 | 1143 | 890 | 795 | 730 | 62 | 5 | 678 | 5 | 20-48 | |
700 | 1346 | 1346 | 995 | 900 | 835 | 68 | 5 | 768 | 5 | 24-48 | |
800 | 1524 | 1524 | 1140 | 1030 | 960 | 76 | 5 | 876 | 5 | 24-58 | |
900 | 1727 | 1727 | 1270 | 1168 | 1095 | 105 | 5 | 986 | 5 | 28-54 | |
100 | 1780 | 2083 | 1238 | 1156 | 1100 | 114 | 5 | 1076 | 6 | 28-44 | |
1200 | 2100 | 2184 | 1467 | 1372 | 1302 | 133 | 5 | 1276 | 6 | 32-51 | |
1400 | 2250 | 2300 | 1718 | 1600 | 1518 | 152 | 5 | 1486 | 6 | 36-60 |